--- /dev/null
+password 1
+hostname rt1
+log file isisd.log
+!
+debug isis events
+debug isis route-events
+debug isis spf-events
+debug isis lsp-gen
+!
+interface lo
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt2
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt3
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt4
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt5
+ ipv6 router isis 1
+ isis metric 20
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt6
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+router isis 1
+ net 49.0000.0000.0000.0001.00
+ is-type level-1
+ lsp-gen-interval 2
+ topology ipv6-unicast
+ !fast-reroute lfa tiebreaker node-protecting index 10
+ !fast-reroute lfa tiebreaker downstream index 20
+ !fast-reroute lfa tiebreaker lowest-backup-metric index 30
--- /dev/null
+{
+ "2001:db8:1000::2\/128":[
+ {
+ "prefix":"2001:db8:1000::2\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1,
+ 2
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::3\/128":[
+ {
+ "prefix":"2001:db8:1000::3\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::4\/128":[
+ {
+ "prefix":"2001:db8:1000::4\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::5\/128":[
+ {
+ "prefix":"2001:db8:1000::5\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1,
+ 2,
+ 3
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::6\/128":[
+ {
+ "prefix":"2001:db8:1000::6\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::7\/128":[
+ {
+ "prefix":"2001:db8:1000::7\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":25,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1,
+ 2,
+ 3
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
+ }
+ ]
+}
--- /dev/null
+{
+ "frr-interface:lib": {
+ "interface": [
+ {
+ "name": "eth-rt2",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0002",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt3",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0003",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt4",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0004",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt5",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0005",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt6",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0006",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ }
+ ]
+ }
+}
--- /dev/null
+--- a/rt1/step9/show_ipv6_route.ref
++++ b/rt1/step10/show_ipv6_route.ref
+@@ -16,7 +16,8 @@
+ "active":true,
+ "backupIndex":[
+ 0,
+- 1
++ 1,
++ 2
+ ]
+ }
+ ],
+@@ -30,6 +31,11 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt6",
++ "active":true
+ }
+ ]
+ }
+@@ -198,7 +204,8 @@
+ "backupIndex":[
+ 0,
+ 1,
+- 2
++ 2,
++ 3
+ ]
+ }
+ ],
+@@ -217,6 +224,11 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt6",
++ "active":true
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step10/show_ipv6_route.ref
++++ b/rt1/step11/show_ipv6_route.ref
+@@ -204,19 +204,13 @@
+ "backupIndex":[
+ 0,
+ 1,
+- 2,
+- 3
++ 2
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+ "active":true
+ },
--- /dev/null
+--- a/rt1/step11/show_ipv6_route.ref
++++ b/rt1/step12/show_ipv6_route.ref
+@@ -15,9 +15,7 @@
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+- 0,
+- 1,
+- 2
++ 0
+ ]
+ }
+ ],
+@@ -26,16 +24,6 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt6",
+- "active":true
+ }
+ ]
+ }
+@@ -56,8 +44,7 @@
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "backupIndex":[
+- 0,
+- 1
++ 0
+ ]
+ }
+ ],
+@@ -66,11 +53,6 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+- "active":true
+ }
+ ]
+ }
+@@ -120,10 +102,7 @@
+ "interfaceName":"eth-rt5",
+ "active":true,
+ "backupIndex":[
+- 0,
+- 1,
+- 2,
+- 3
++ 0
+ ]
+ }
+ ],
+@@ -132,21 +111,6 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt4",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt6",
+- "active":true
+ }
+ ]
+ }
+@@ -203,19 +167,13 @@
+ "active":true,
+ "backupIndex":[
+ 0,
+- 1,
+- 2
++ 1
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+- "interfaceName":"eth-rt4",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ },
--- /dev/null
+--- a/rt1/step12/show_ipv6_route.ref
++++ b/rt1/step13/show_ipv6_route.ref
+@@ -131,8 +131,7 @@
+ "interfaceName":"eth-rt6",
+ "active":true,
+ "backupIndex":[
+- 0,
+- 1
++ 0
+ ]
+ }
+ ],
+@@ -141,11 +140,6 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+- "active":true
+ }
+ ]
+ }
+@@ -166,19 +160,13 @@
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+- 0,
+- 1
++ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+ "active":true
+ }
--- /dev/null
+--- a/rt1/step1/show_ipv6_route.ref
++++ b/rt1/step2/show_ipv6_route.ref
+@@ -13,28 +13,6 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true,
+- "backupIndex":[
+- 0,
+- 1,
+- 2
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
+@@ -54,22 +32,6 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true,
+- "backupIndex":[
+- 0,
+- 1
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt2",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+@@ -89,16 +51,6 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+@@ -118,34 +70,6 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+- "active":true,
+- "backupIndex":[
+- 0,
+- 1,
+- 2,
+- 3
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt2",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt4",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
+@@ -165,22 +89,6 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+- "active":true,
+- "backupIndex":[
+- 0,
+- 1
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt2",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+@@ -200,34 +108,6 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true,
+- "backupIndex":[
+- 0,
+- 1,
+- 2,
+- 3
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt4",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
--- /dev/null
+--- a/rt1/step2/show_ipv6_route.ref
++++ b/rt1/step3/show_ipv6_route.ref
+@@ -13,6 +13,28 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
++ "active":true,
++ "backupIndex":[
++ 0,
++ 1,
++ 2
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
+@@ -32,6 +54,22 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
++ "active":true,
++ "backupIndex":[
++ 0,
++ 1
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt2",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+@@ -51,6 +89,16 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+@@ -70,6 +118,34 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
++ "active":true,
++ "backupIndex":[
++ 0,
++ 1,
++ 2,
++ 3
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt2",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt4",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
+@@ -89,6 +165,22 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
++ "active":true,
++ "backupIndex":[
++ 0,
++ 1
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt2",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+@@ -108,6 +200,34 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
++ "active":true,
++ "backupIndex":[
++ 0,
++ 1,
++ 2,
++ 3
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt4",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
--- /dev/null
+--- a/rt1/step3/show_ipv6_route.ref
++++ b/rt1/step4/show_ipv6_route.ref
+@@ -15,9 +15,7 @@
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+- 0,
+- 1,
+- 2
++ 0
+ ]
+ }
+ ],
+@@ -26,16 +24,6 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt6",
+- "active":true
+ }
+ ]
+ }
+@@ -56,8 +44,7 @@
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "backupIndex":[
+- 0,
+- 1
++ 0
+ ]
+ }
+ ],
+@@ -66,11 +53,6 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+- "active":true
+ }
+ ]
+ }
+@@ -120,10 +102,7 @@
+ "interfaceName":"eth-rt5",
+ "active":true,
+ "backupIndex":[
+- 0,
+- 1,
+- 2,
+- 3
++ 0
+ ]
+ }
+ ],
+@@ -132,21 +111,6 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt4",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt6",
+- "active":true
+ }
+ ]
+ }
+@@ -167,8 +131,7 @@
+ "interfaceName":"eth-rt6",
+ "active":true,
+ "backupIndex":[
+- 0,
+- 1
++ 0
+ ]
+ }
+ ],
+@@ -177,11 +140,6 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+- "active":true
+ }
+ ]
+ }
+@@ -202,10 +160,7 @@
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+- 0,
+- 1,
+- 2,
+- 3
++ 0
+ ]
+ }
+ ],
+@@ -214,21 +169,6 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt4",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt6",
+- "active":true
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step4/show_ipv6_route.ref
++++ b/rt1/step5/show_ipv6_route.ref
+@@ -15,7 +15,9 @@
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+- 0
++ 0,
++ 1,
++ 2
+ ]
+ }
+ ],
+@@ -24,6 +26,16 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt6",
++ "active":true
+ }
+ ]
+ }
+@@ -44,7 +56,8 @@
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "backupIndex":[
+- 0
++ 0,
++ 1
+ ]
+ }
+ ],
+@@ -53,6 +66,11 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
++ "active":true
+ }
+ ]
+ }
+@@ -102,7 +120,10 @@
+ "interfaceName":"eth-rt5",
+ "active":true,
+ "backupIndex":[
+- 0
++ 0,
++ 1,
++ 2,
++ 3
+ ]
+ }
+ ],
+@@ -111,6 +132,21 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt4",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt6",
++ "active":true
+ }
+ ]
+ }
+@@ -131,7 +167,8 @@
+ "interfaceName":"eth-rt6",
+ "active":true,
+ "backupIndex":[
+- 0
++ 0,
++ 1
+ ]
+ }
+ ],
+@@ -140,6 +177,11 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
++ "active":true
+ }
+ ]
+ }
+@@ -160,7 +202,10 @@
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+- 0
++ 0,
++ 1,
++ 2,
++ 3
+ ]
+ }
+ ],
+@@ -169,6 +214,21 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt4",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt6",
++ "active":true
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step5/show_ipv6_route.ref
++++ b/rt1/step6/show_ipv6_route.ref
+@@ -13,28 +13,6 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true,
+- "backupIndex":[
+- 0,
+- 1,
+- 2
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
+@@ -54,22 +32,6 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true,
+- "backupIndex":[
+- 0,
+- 1
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt2",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+@@ -89,16 +51,6 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+@@ -118,34 +70,6 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+- "active":true,
+- "backupIndex":[
+- 0,
+- 1,
+- 2,
+- 3
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt2",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt4",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
+@@ -165,22 +89,6 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+- "active":true,
+- "backupIndex":[
+- 0,
+- 1
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt2",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+@@ -200,34 +108,6 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true,
+- "backupIndex":[
+- 0,
+- 1,
+- 2,
+- 3
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt4",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt5",
+- "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
--- /dev/null
+--- a/rt1/step6/show_ipv6_route.ref
++++ b/rt1/step7/show_ipv6_route.ref
+@@ -108,6 +108,34 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
++ "active":true,
++ "backupIndex":[
++ 0,
++ 1,
++ 2,
++ 3
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt4",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
--- /dev/null
+--- a/rt1/step7/show_ipv6_route.ref
++++ b/rt1/step8/show_ipv6_route.ref
+@@ -13,6 +13,28 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
++ "active":true,
++ "backupIndex":[
++ 0,
++ 1,
++ 2
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
+@@ -32,6 +54,22 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
++ "active":true,
++ "backupIndex":[
++ 0,
++ 1
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt2",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+@@ -51,6 +89,16 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+@@ -70,6 +118,34 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
++ "active":true,
++ "backupIndex":[
++ 0,
++ 1,
++ 2,
++ 3
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt2",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt4",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
+@@ -89,6 +165,22 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
++ "active":true,
++ "backupIndex":[
++ 0,
++ 1
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt2",
++ "active":true
++ },
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
--- /dev/null
+--- a/rt1/step8/show_ipv6_route.ref
++++ b/rt1/step9/show_ipv6_route.ref
+@@ -16,8 +16,7 @@
+ "active":true,
+ "backupIndex":[
+ 0,
+- 1,
+- 2
++ 1
+ ]
+ }
+ ],
+@@ -31,11 +30,6 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt6",
+- "active":true
+ }
+ ]
+ }
+@@ -204,8 +198,7 @@
+ "backupIndex":[
+ 0,
+ 1,
+- 2,
+- 3
++ 2
+ ]
+ }
+ ],
+@@ -224,11 +217,6 @@
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+- },
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt6",
+- "active":true
+ }
+ ]
+ }
--- /dev/null
+log file zebra.log
+!
+hostname rt1
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 1.1.1.1/32
+ ipv6 address 2001:db8:1000::1/128
+!
+ip forwarding
+!
+line vty
+!
--- /dev/null
+password 1
+hostname rt2
+log file isisd.log
+!
+debug isis events
+debug isis route-events
+debug isis spf-events
+debug isis lsp-gen
+!
+interface lo
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt1
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt3
+ ipv6 router isis 1
+ isis metric 5
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt7
+ ipv6 router isis 1
+ isis metric 5
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+router isis 1
+ net 49.0000.0000.0000.0002.00
+ is-type level-1
+ lsp-gen-interval 2
+ topology ipv6-unicast
+!
--- /dev/null
+{
+ "2001:db8:1000::1\/128":[
+ {
+ "prefix":"2001:db8:1000::1\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::3\/128":[
+ {
+ "prefix":"2001:db8:1000::3\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":15,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::4\/128":[
+ {
+ "prefix":"2001:db8:1000::4\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ },
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::5\/128":[
+ {
+ "prefix":"2001:db8:1000::5\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":25,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::6\/128":[
+ {
+ "prefix":"2001:db8:1000::6\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":25,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::7\/128":[
+ {
+ "prefix":"2001:db8:1000::7\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":15,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ]
+}
--- /dev/null
+{
+ "frr-interface:lib": {
+ "interface": [
+ {
+ "name": "eth-rt1",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0001",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt3",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0003",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt7",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0007",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ }
+ ]
+ }
+}
--- /dev/null
+log file zebra.log
+!
+hostname rt2
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 2.2.2.2/32
+ ipv6 address 2001:db8:1000::2/128
+!
+ip forwarding
+!
+line vty
+!
--- /dev/null
+password 1
+hostname rt3
+log file isisd.log
+!
+debug isis events
+debug isis route-events
+debug isis spf-events
+debug isis lsp-gen
+!
+interface lo
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt1
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt2
+ ipv6 router isis 1
+ isis metric 5
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt7
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+router isis 1
+ net 49.0000.0000.0000.0003.00
+ is-type level-1
+ lsp-gen-interval 2
+ topology ipv6-unicast
+!
--- /dev/null
+{
+ "2001:db8:1000::1\/128":[
+ {
+ "prefix":"2001:db8:1000::1\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::2\/128":[
+ {
+ "prefix":"2001:db8:1000::2\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":15,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::4\/128":[
+ {
+ "prefix":"2001:db8:1000::4\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::5\/128":[
+ {
+ "prefix":"2001:db8:1000::5\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::6\/128":[
+ {
+ "prefix":"2001:db8:1000::6\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ },
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::7\/128":[
+ {
+ "prefix":"2001:db8:1000::7\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ]
+}
--- /dev/null
+{
+ "frr-interface:lib": {
+ "interface": [
+ {
+ "name": "eth-rt1",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0001",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt2",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0002",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt7",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0007",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ }
+ ]
+ }
+}
--- /dev/null
+log file zebra.log
+!
+hostname rt3
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 3.3.3.3/32
+ ipv6 address 2001:db8:1000::3/128
+!
+ip forwarding
+!
+line vty
+!
--- /dev/null
+password 1
+hostname rt4
+log file isisd.log
+!
+debug isis events
+debug isis route-events
+debug isis spf-events
+debug isis lsp-gen
+!
+interface lo
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt1
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt7
+ ipv6 router isis 1
+ isis metric 15
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+router isis 1
+ net 49.0000.0000.0000.0004.00
+ is-type level-1
+ lsp-gen-interval 2
+ topology ipv6-unicast
+!
--- /dev/null
+{
+ "2001:db8:1000::1\/128":[
+ {
+ "prefix":"2001:db8:1000::1\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::2\/128":[
+ {
+ "prefix":"2001:db8:1000::2\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ },
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::3\/128":[
+ {
+ "prefix":"2001:db8:1000::3\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::5\/128":[
+ {
+ "prefix":"2001:db8:1000::5\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":35,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::6\/128":[
+ {
+ "prefix":"2001:db8:1000::6\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::7\/128":[
+ {
+ "prefix":"2001:db8:1000::7\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":25,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ]
+}
--- /dev/null
+{
+ "frr-interface:lib": {
+ "interface": [
+ {
+ "name": "eth-rt1",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0001",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt7",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0007",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ }
+ ]
+ }
+}
--- /dev/null
+log file zebra.log
+!
+hostname rt4
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 4.4.4.4/32
+ ipv6 address 2001:db8:1000::4/128
+!
+ip forwarding
+!
+line vty
+!
--- /dev/null
+password 1
+hostname rt5
+log file isisd.log
+!
+debug isis events
+debug isis route-events
+debug isis spf-events
+debug isis lsp-gen
+!
+interface lo
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt1
+ ipv6 router isis 1
+ isis metric 20
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt7
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+router isis 1
+ net 49.0000.0000.0000.0005.00
+ is-type level-1
+ lsp-gen-interval 2
+ topology ipv6-unicast
+!
--- /dev/null
+{
+ "2001:db8:1000::1\/128":[
+ {
+ "prefix":"2001:db8:1000::1\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::2\/128":[
+ {
+ "prefix":"2001:db8:1000::2\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":25,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::3\/128":[
+ {
+ "prefix":"2001:db8:1000::3\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::4\/128":[
+ {
+ "prefix":"2001:db8:1000::4\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":35,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::6\/128":[
+ {
+ "prefix":"2001:db8:1000::6\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::7\/128":[
+ {
+ "prefix":"2001:db8:1000::7\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ]
+}
--- /dev/null
+{
+ "frr-interface:lib": {
+ "interface": [
+ {
+ "name": "eth-rt1",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0001",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt7",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0007",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ }
+ ]
+ }
+}
--- /dev/null
+log file zebra.log
+!
+hostname rt5
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 5.5.5.5/32
+ ipv6 address 2001:db8:1000::5/128
+!
+ip forwarding
+!
+line vty
+!
--- /dev/null
+password 1
+hostname rt6
+log file isisd.log
+!
+debug isis events
+debug isis route-events
+debug isis spf-events
+debug isis lsp-gen
+!
+interface lo
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt1
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt7
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+router isis 1
+ net 49.0000.0000.0000.0006.00
+ is-type level-1
+ lsp-gen-interval 2
+ topology ipv6-unicast
+!
--- /dev/null
+{
+ "2001:db8:1000::1\/128":[
+ {
+ "prefix":"2001:db8:1000::1\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::2\/128":[
+ {
+ "prefix":"2001:db8:1000::2\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":25,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::3\/128":[
+ {
+ "prefix":"2001:db8:1000::3\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ },
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::4\/128":[
+ {
+ "prefix":"2001:db8:1000::4\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::5\/128":[
+ {
+ "prefix":"2001:db8:1000::5\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::7\/128":[
+ {
+ "prefix":"2001:db8:1000::7\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt7",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt1",
+ "active":true
+ }
+ ]
+ }
+ ]
+}
--- /dev/null
+{
+ "frr-interface:lib": {
+ "interface": [
+ {
+ "name": "eth-rt1",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0001",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt7",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0007",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ }
+ ]
+ }
+}
--- /dev/null
+log file zebra.log
+!
+hostname rt6
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 6.6.6.6/32
+ ipv6 address 2001:db8:1000::6/128
+!
+ip forwarding
+!
+line vty
+!
--- /dev/null
+password 1
+hostname rt6
+log file isisd.log
+!
+debug isis events
+debug isis route-events
+debug isis spf-events
+debug isis lsp-gen
+!
+interface lo
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt2
+ ipv6 router isis 1
+ isis metric 5
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt3
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt4
+ ipv6 router isis 1
+ isis metric 15
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt5
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+interface eth-rt6
+ ipv6 router isis 1
+ isis network point-to-point
+ isis hello-multiplier 3
+ isis fast-reroute lfa
+!
+router isis 1
+ net 49.0000.0000.0000.0007.00
+ is-type level-1
+ lsp-gen-interval 2
+ topology ipv6-unicast
+!
--- /dev/null
+{
+ "2001:db8:1000::1\/128":[
+ {
+ "prefix":"2001:db8:1000::1\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":25,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1,
+ 2,
+ 3
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::2\/128":[
+ {
+ "prefix":"2001:db8:1000::2\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":15,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::3\/128":[
+ {
+ "prefix":"2001:db8:1000::3\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::4\/128":[
+ {
+ "prefix":"2001:db8:1000::4\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":25,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::5\/128":[
+ {
+ "prefix":"2001:db8:1000::5\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ }
+ ]
+ }
+ ],
+ "2001:db8:1000::6\/128":[
+ {
+ "prefix":"2001:db8:1000::6\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+ "active":true
+ }
+ ]
+ }
+ ]
+}
--- /dev/null
+{
+ "frr-interface:lib": {
+ "interface": [
+ {
+ "name": "eth-rt2",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0002",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt3",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0003",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt4",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0004",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt5",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0005",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ },
+ {
+ "name": "eth-rt6",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1",
+ "neighbor-sysid": "0000.0000.0006",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ }
+ ]
+ }
+}
--- /dev/null
+log file zebra.log
+!
+hostname rt7
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 7.7.7.7/32
+ ipv6 address 2001:db8:1000::7/128
+!
+ip forwarding
+!
+line vty
+!
--- /dev/null
+#!/usr/bin/env python
+
+#
+# test_isis_tilfa_topo1.py
+# Part of NetDEF Topology Tests
+#
+# Copyright (c) 2020 by
+# Network Device Education Foundation, Inc. ("NetDEF")
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+#
+
+"""
+test_isis_lfa_topo1.py:
+
+ +---------+
+ | |
+ +--------------------------------+ RT1 +-------------------------------+
+ | +-------------+ +-------------+ |
+ | | | | | |
+ | | +----+----+ | |
+ | | | |20 |
+ | | | | |
+ | | | | |
+ +----+----+ +----+----+ +----+----+ +----+----+ +----+----+
+ | | | | | | | | | |
+ | RT2 | 5 | RT3 | | RT4 | | RT5 | | RT6 |
+ | +--------+ | | | | | | |
+ | | | | | | | | | |
+ +----+----+ +----+----+ +----+----+ +----+----+ +----+----+
+ | | | | |
+ | | |15 | |
+ |5 | | | |
+ | | +----+----+ | |
+ | | | | | |
+ | +-------------+ RT7 +-------------+ |
+ +--------------------------------+ +-------------------------------+
+ | |
+ +---------+
+"""
+
+import os
+import sys
+import pytest
+import json
+import re
+import tempfile
+from time import sleep
+from functools import partial
+
+# Save the Current Working Directory to find configuration files.
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, '../'))
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from lib import topotest
+from lib.topogen import Topogen, TopoRouter, get_topogen
+from lib.topolog import logger
+
+# Required to instantiate the topology builder class.
+from mininet.topo import Topo
+
+# Global multi-dimensional dictionary containing all expected outputs
+outputs = {}
+
+class TemplateTopo(Topo):
+ "Test topology builder"
+ def build(self, *_args, **_opts):
+ "Build function"
+ tgen = get_topogen(self)
+
+ #
+ # Define FRR Routers
+ #
+ for router in ['rt1', 'rt2', 'rt3', 'rt4', 'rt5', 'rt6', 'rt7']:
+ tgen.add_router(router)
+
+ #
+ # Define connections
+ #
+ switch = tgen.add_switch('s1')
+ switch.add_link(tgen.gears['rt1'], nodeif="eth-rt2")
+ switch.add_link(tgen.gears['rt2'], nodeif="eth-rt1")
+ switch = tgen.add_switch('s2')
+ switch.add_link(tgen.gears['rt2'], nodeif="eth-rt3")
+ switch.add_link(tgen.gears['rt3'], nodeif="eth-rt2")
+ switch = tgen.add_switch('s3')
+ switch.add_link(tgen.gears['rt1'], nodeif="eth-rt3")
+ switch.add_link(tgen.gears['rt3'], nodeif="eth-rt1")
+ switch = tgen.add_switch('s4')
+ switch.add_link(tgen.gears['rt1'], nodeif="eth-rt4")
+ switch.add_link(tgen.gears['rt4'], nodeif="eth-rt1")
+ switch = tgen.add_switch('s5')
+ switch.add_link(tgen.gears['rt1'], nodeif="eth-rt5")
+ switch.add_link(tgen.gears['rt5'], nodeif="eth-rt1")
+ switch = tgen.add_switch('s6')
+ switch.add_link(tgen.gears['rt1'], nodeif="eth-rt6")
+ switch.add_link(tgen.gears['rt6'], nodeif="eth-rt1")
+ switch = tgen.add_switch('s7')
+ switch.add_link(tgen.gears['rt2'], nodeif="eth-rt7")
+ switch.add_link(tgen.gears['rt7'], nodeif="eth-rt2")
+ switch = tgen.add_switch('s8')
+ switch.add_link(tgen.gears['rt3'], nodeif="eth-rt7")
+ switch.add_link(tgen.gears['rt7'], nodeif="eth-rt3")
+ switch = tgen.add_switch('s9')
+ switch.add_link(tgen.gears['rt4'], nodeif="eth-rt7")
+ switch.add_link(tgen.gears['rt7'], nodeif="eth-rt4")
+ switch = tgen.add_switch('s10')
+ switch.add_link(tgen.gears['rt5'], nodeif="eth-rt7")
+ switch.add_link(tgen.gears['rt7'], nodeif="eth-rt5")
+ switch = tgen.add_switch('s11')
+ switch.add_link(tgen.gears['rt6'], nodeif="eth-rt7")
+ switch.add_link(tgen.gears['rt7'], nodeif="eth-rt6")
+
+ #
+ # Populate multi-dimensional dictionary containing all expected outputs
+ #
+ files = ["show_ipv6_route.ref",
+ "show_yang_interface_isis_adjacencies.ref"]
+ for rname in ['rt1', 'rt2', 'rt3', 'rt4', 'rt5', 'rt6', 'rt7']:
+ outputs[rname] = {}
+ for step in range(1, 13 + 1):
+ outputs[rname][step] = {}
+ for file in files:
+ if step == 1:
+ # Get snapshots relative to the expected initial network convergence
+ filename = '{}/{}/step{}/{}'.format(CWD, rname, step, file)
+ outputs[rname][step][file] = open(filename).read()
+ else:
+ if rname != "rt1":
+ continue
+ if file == "show_yang_interface_isis_adjacencies.ref":
+ continue
+
+ # Get diff relative to the previous step
+ filename = '{}/{}/step{}/{}.diff'.format(CWD, rname, step, file)
+
+ # Create temporary files in order to apply the diff
+ f_in = tempfile.NamedTemporaryFile()
+ f_in.write(outputs[rname][step - 1][file])
+ f_in.flush()
+ f_out = tempfile.NamedTemporaryFile()
+ os.system("patch -s -o %s %s %s" %(f_out.name, f_in.name, filename))
+
+ # Store the updated snapshot and remove the temporary files
+ outputs[rname][step][file] = open(f_out.name).read()
+ f_in.close()
+ f_out.close()
+
+def setup_module(mod):
+ "Sets up the pytest environment"
+ tgen = Topogen(TemplateTopo, mod.__name__)
+ tgen.start_topology()
+
+ router_list = tgen.routers()
+
+ # For all registered routers, load the zebra configuration file
+ for rname, router in router_list.iteritems():
+ router.load_config(
+ TopoRouter.RD_ZEBRA,
+ os.path.join(CWD, '{}/zebra.conf'.format(rname))
+ )
+ router.load_config(
+ TopoRouter.RD_ISIS,
+ os.path.join(CWD, '{}/isisd.conf'.format(rname))
+ )
+
+ tgen.start_router()
+
+def teardown_module(mod):
+ "Teardown the pytest environment"
+ tgen = get_topogen()
+
+ # This function tears down the whole topology.
+ tgen.stop_topology()
+
+def router_compare_json_output(rname, command, reference):
+ "Compare router JSON output"
+
+ logger.info('Comparing router "%s" "%s" output', rname, command)
+
+ tgen = get_topogen()
+ expected = json.loads(reference)
+
+ # Run test function until we get an result. Wait at most 60 seconds.
+ test_func = partial(topotest.router_json_cmp,
+ tgen.gears[rname], command, expected)
+ _, diff = topotest.run_and_expect(test_func, None, count=120, wait=0.5)
+ assertmsg = '"{}" JSON output mismatches the expected result'.format(rname)
+ assert diff is None, assertmsg
+
+#
+# Step 1
+#
+# Test initial network convergence
+#
+def test_isis_adjacencies_step1():
+ logger.info("Test (step 1): check IS-IS adjacencies")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ for rname in ['rt1', 'rt2', 'rt3', 'rt4', 'rt5', 'rt6', 'rt7']:
+ router_compare_json_output(rname, "show yang operational-data /frr-interface:lib isisd",
+ outputs[rname][1]["show_yang_interface_isis_adjacencies.ref"])
+
+def test_rib_ipv6_step1():
+ logger.info("Test (step 1): verify IPv6 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ for rname in ['rt1', 'rt2', 'rt3', 'rt4', 'rt5', 'rt6', 'rt7']:
+ router_compare_json_output(rname, "show ipv6 route isis json",
+ outputs[rname][1]["show_ipv6_route.ref"])
+
+#
+# Step 2
+#
+# Action(s):
+# -Disable LFA protection on all interfaces
+#
+# Expected changes:
+# -rt1 should uninstall all backup nexthops from all routes
+#
+def test_rib_ipv6_step2():
+ logger.info("Test (step 2): verify IPv6 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('Disabling LFA protection on all rt1 interfaces')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt2" -c "no isis fast-reroute lfa"')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt3" -c "no isis fast-reroute lfa"')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt4" -c "no isis fast-reroute lfa"')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt5" -c "no isis fast-reroute lfa"')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt6" -c "no isis fast-reroute lfa"')
+
+ for rname in ['rt1']:
+ router_compare_json_output(rname, "show ipv6 route isis json",
+ outputs[rname][2]["show_ipv6_route.ref"])
+
+#
+# Step 3
+#
+# Action(s):
+# -Re-enable LFA protection on all interfaces
+#
+# Expected changes:
+# -Revert changes from the previous step
+#
+def test_rib_ipv6_step3():
+ logger.info("Test (step 3): verify IPv6 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('Re-enabling LFA protection on all rt1 interfaces')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt2" -c "isis fast-reroute lfa"')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt3" -c "isis fast-reroute lfa"')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt4" -c "isis fast-reroute lfa"')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt5" -c "isis fast-reroute lfa"')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt6" -c "isis fast-reroute lfa"')
+
+ for rname in ['rt1']:
+ router_compare_json_output(rname, "show ipv6 route isis json",
+ outputs[rname][3]["show_ipv6_route.ref"])
+
+#
+# Step 4
+#
+# Action(s):
+# -Disable LFA load-sharing
+#
+# Expected changes:
+# -rt1 should use at most one backup nexthop for each route
+#
+def test_rib_ipv6_step4():
+ logger.info("Test (step 4): verify IPv6 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('Disabling LFA load-sharing on rt1')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "fast-reroute load-sharing disable"')
+
+ for rname in ['rt1']:
+ router_compare_json_output(rname, "show ipv6 route isis json",
+ outputs[rname][4]["show_ipv6_route.ref"])
+
+#
+# Step 5
+#
+# Action(s):
+# -Re-enable LFA load-sharing
+#
+# Expected changes:
+# -Revert changes from the previous step
+#
+def test_rib_ipv6_step5():
+ logger.info("Test (step 5): verify IPv6 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('Re-enabling LFA load-sharing on rt1')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "no fast-reroute load-sharing disable"')
+
+ for rname in ['rt1']:
+ router_compare_json_output(rname, "show ipv6 route isis json",
+ outputs[rname][5]["show_ipv6_route.ref"])
+
+#
+# Step 6
+#
+# Action(s):
+# -Limit backup computation to critical priority prefixes only
+#
+# Expected changes:
+# -rt1 should uninstall all backup nexthops from all routes
+#
+def test_rib_ipv6_step6():
+ logger.info("Test (step 6): verify IPv6 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('Limiting backup computation to critical priority prefixes only')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "fast-reroute priority-limit critical"')
+
+ for rname in ['rt1']:
+ router_compare_json_output(rname, "show ipv6 route isis json",
+ outputs[rname][6]["show_ipv6_route.ref"])
+
+#
+# Step 7
+#
+# Action(s):
+# -Configure a prefix priority list to classify rt7's loopback as a
+# critical-priority prefix
+#
+# Expected changes:
+# -rt1 should install backup nexthops for rt7's loopback route.
+#
+def test_rib_ipv6_step7():
+ logger.info("Test (step 7): verify IPv6 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('Configuring a prefix priority list')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "spf prefix-priority critical CRITICAL_DESTINATIONS"')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "ipv6 access-list CRITICAL_DESTINATIONS seq 5 permit 2001:db8:1000::7/128"')
+
+ for rname in ['rt1']:
+ router_compare_json_output(rname, "show ipv6 route isis json",
+ outputs[rname][7]["show_ipv6_route.ref"])
+
+#
+# Step 8
+#
+# Action(s):
+# -Revert previous changes related to prefix priorities
+#
+# Expected changes:
+# -Revert changes from the previous two steps
+#
+def test_rib_ipv6_step8():
+ logger.info("Test (step 8): verify IPv6 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('Reverting previous changes related to prefix priorities')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "no ipv6 access-list CRITICAL_DESTINATIONS seq 5 permit 2001:db8:1000::7/128"')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "no fast-reroute priority-limit critical"')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "no spf prefix-priority critical CRITICAL_DESTINATIONS"')
+
+ for rname in ['rt1']:
+ router_compare_json_output(rname, "show ipv6 route isis json",
+ outputs[rname][8]["show_ipv6_route.ref"])
+
+#
+# Step 9
+#
+# Action(s):
+# -Exclude eth-rt6 from LFA computation for eth-rt2's failure
+#
+# Expected changes:
+# -Uninstall the eth-rt2 protecting backup nexthops that go through eth-rt6
+#
+def test_rib_ipv6_step9():
+ logger.info("Test (step 9): verify IPv6 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('Excluding eth-rt6 from LFA computation for eth-rt2\'s failure')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt2" -c "isis fast-reroute lfa exclude interface eth-rt6"')
+
+ for rname in ['rt1']:
+ router_compare_json_output(rname, "show ipv6 route isis json",
+ outputs[rname][9]["show_ipv6_route.ref"])
+
+#
+# Step 10
+#
+# Action(s):
+# -Remove exclusion of eth-rt6 from LFA computation for eth-rt2's failure
+#
+# Expected changes:
+# -Revert changes from the previous step
+#
+def test_rib_ipv6_step10():
+ logger.info("Test (step 10): verify IPv6 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('Removing exclusion of eth-rt6 from LFA computation for eth-rt2\'s failure')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt2" -c "no isis fast-reroute lfa exclude interface eth-rt6"')
+
+ for rname in ['rt1']:
+ router_compare_json_output(rname, "show ipv6 route isis json",
+ outputs[rname][10]["show_ipv6_route.ref"])
+
+#
+# Step 11
+#
+# Action(s):
+# -Add LFA tiebreaker: prefer node protecting backup path
+#
+# Expected changes:
+# -rt1 should prefer backup nexthops that provide node protection
+#
+def test_rib_ipv6_step11():
+ logger.info("Test (step 11): verify IPv6 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('Adding LFA tiebreaker: prefer node protecting backup path')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "fast-reroute lfa tiebreaker node-protecting index 10"')
+
+ for rname in ['rt1']:
+ router_compare_json_output(rname, "show ipv6 route isis json",
+ outputs[rname][11]["show_ipv6_route.ref"])
+
+#
+# Step 12
+#
+# Action(s):
+# -Add LFA tiebreaker: prefer backup path via downstream node
+#
+# Expected changes:
+# -rt1 should prefer backup nexthops that satisfy the downstream condition
+#
+def test_rib_ipv6_step12():
+ logger.info("Test (step 12): verify IPv6 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('Adding LFA tiebreaker: prefer backup path via downstream node')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "fast-reroute lfa tiebreaker downstream index 20"')
+
+ for rname in ['rt1']:
+ router_compare_json_output(rname, "show ipv6 route isis json",
+ outputs[rname][12]["show_ipv6_route.ref"])
+
+#
+# Step 13
+#
+# Action(s):
+# -Add LFA tiebreaker: prefer backup path with lowest total metric
+#
+# Expected changes:
+# -rt1 should prefer backup nexthops that have the best metric
+#
+def test_rib_ipv6_step13():
+ logger.info("Test (step 13): verify IPv6 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info('Adding LFA tiebreaker: prefer backup path with lowest total metric')
+ tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "fast-reroute lfa tiebreaker lowest-backup-metric index 30"')
+
+ for rname in ['rt1']:
+ router_compare_json_output(rname, "show ipv6 route isis json",
+ outputs[rname][13]["show_ipv6_route.ref"])
+
+# Memory leak test template
+def test_memory_leak():
+ "Run the memory leak test and report results."
+ tgen = get_topogen()
+ if not tgen.is_memleak_enabled():
+ pytest.skip('Memory leak test/report is disabled')
+
+ tgen.report_memory_leaks()
+
+if __name__ == '__main__':
+ args = ["-s"] + sys.argv[1:]
+ sys.exit(pytest.main(args))
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