--- /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
+ ip router isis 1
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt2
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+ isis fast-reroute lfa
+ isis fast-reroute remote-lfa tunnel mpls-ldp
+!
+interface eth-rt3
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+ isis fast-reroute lfa
+ isis fast-reroute remote-lfa tunnel mpls-ldp
+!
+ip prefix-list PLIST seq 5 permit 10.0.255.8/32
+!
+router isis 1
+ net 49.0000.0000.0000.0001.00
+ is-type level-1-2
+ lsp-gen-interval 2
+ topology ipv6-unicast
+ fast-reroute remote-lfa prefix-list PLIST
+!
--- /dev/null
+log file ldpd.log
+!
+hostname rt1
+!
+debug mpls ldp messages recv
+debug mpls ldp messages sent
+debug mpls ldp zebra
+!
+mpls ldp
+ router-id 10.0.255.1
+ dual-stack transport-connection prefer ipv4
+ !
+ address-family ipv4
+ label local allocate host-routes
+ discovery targeted-hello accept
+ discovery transport-address 10.0.255.1
+ !
+ interface eth-rt2
+ interface eth-rt3
+ !
+ !
+ address-family ipv6
+ label local allocate host-routes
+ discovery transport-address 2001:db8::1
+ !
+ interface eth-rt2
+ interface eth-rt3
+ !
+ !
+!
--- /dev/null
+{
+ "10.0.255.2\/32":[
+ {
+ "prefix":"10.0.255.2\/32",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "ip":"10.0.255.2",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "onLink":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "ip":"10.0.255.3",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "onLink":true,
+ "labels":"*"
+ }
+ ]
+ }
+ ],
+ "10.0.255.3\/32":[
+ {
+ "prefix":"10.0.255.3\/32",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":20,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "ip":"10.0.255.3",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "onLink":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "ip":"10.0.255.2",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "onLink":true,
+ "labels":"*"
+ }
+ ]
+ }
+ ],
+ "10.0.255.4\/32":[
+ {
+ "prefix":"10.0.255.4\/32",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "ip":"10.0.255.2",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "onLink":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "ip":"10.0.255.3",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "onLink":true,
+ "labels":"*"
+ }
+ ]
+ }
+ ],
+ "10.0.255.5\/32":[
+ {
+ "prefix":"10.0.255.5\/32",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "ip":"10.0.255.3",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "onLink":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "ip":"10.0.255.2",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "onLink":true,
+ "labels":"*"
+ }
+ ]
+ }
+ ],
+ "10.0.255.6\/32":[
+ {
+ "prefix":"10.0.255.6\/32",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":40,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "ip":"10.0.255.2",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "onLink":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "ip":"10.0.255.3",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "onLink":true,
+ "labels":"*"
+ }
+ ]
+ }
+ ],
+ "10.0.255.7\/32":[
+ {
+ "prefix":"10.0.255.7\/32",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":40,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "ip":"10.0.255.3",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "onLink":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "ip":"10.0.255.2",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "onLink":true,
+ "labels":"*"
+ }
+ ]
+ }
+ ],
+ "10.0.255.8\/32":[
+ {
+ "prefix":"10.0.255.8\/32",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":50,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "ip":"10.0.255.2",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "onLink":true
+ },
+ {
+ "fib":true,
+ "ip":"10.0.255.3",
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "onLink":true
+ }
+ ]
+ }
+ ]
+}
--- /dev/null
+{
+ "2001:db8::2\/128":[
+ {
+ "prefix":"2001:db8::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
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "labels":"*"
+ }
+ ]
+ }
+ ],
+ "2001:db8::3\/128":[
+ {
+ "prefix":"2001:db8::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
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "labels":"*"
+ }
+ ]
+ }
+ ],
+ "2001:db8::4\/128":[
+ {
+ "prefix":"2001:db8::4\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "labels":"*"
+ }
+ ]
+ }
+ ],
+ "2001:db8::5\/128":[
+ {
+ "prefix":"2001:db8::5\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":30,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "labels":"*"
+ }
+ ]
+ }
+ ],
+ "2001:db8::6\/128":[
+ {
+ "prefix":"2001:db8::6\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":40,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "labels":"*"
+ }
+ ]
+ }
+ ],
+ "2001:db8::7\/128":[
+ {
+ "prefix":"2001:db8::7\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":40,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true,
+ "labels":"*"
+ }
+ ]
+ }
+ ],
+ "2001:db8::8\/128":[
+ {
+ "prefix":"2001:db8::8\/128",
+ "protocol":"isis",
+ "selected":true,
+ "destSelected":true,
+ "distance":115,
+ "metric":50,
+ "installed":true,
+ "nexthops":[
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ }
+ ]
+ }
+ ]
+}
--- /dev/null
+{
+ "frr-interface:lib": {
+ "interface": [
+ {
+ "name": "eth-rt2",
+ "vrf": "default",
+ "state": {
+ "frr-isisd:isis": {
+ "adjacencies": {
+ "adjacency": [
+ {
+ "neighbor-sys-type": "level-1-2",
+ "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-1-2",
+ "neighbor-sysid": "0000.0000.0003",
+ "hold-timer": 9,
+ "neighbor-priority": 0,
+ "state": "up"
+ }
+ ]
+ }
+ }
+ }
+ }
+ ]
+ }
+}
--- /dev/null
+--- a/rt1/step9/show_ip_route.ref
++++ b/rt1/step10/show_ip_route.ref
+@@ -15,7 +15,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.3",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -70,7 +83,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.3",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -125,7 +151,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.3",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step9/show_ipv6_route.ref
++++ b/rt1/step10/show_ipv6_route.ref
+@@ -13,7 +13,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -62,7 +73,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -111,7 +133,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step1/show_ip_route.ref
++++ b/rt1/step2/show_ip_route.ref
+@@ -15,20 +15,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.3",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
+@@ -49,20 +36,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.2",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt2",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
+@@ -83,20 +57,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.3",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
+@@ -117,20 +78,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.2",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt2",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
+@@ -151,20 +99,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.3",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
+@@ -185,20 +120,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.2",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt2",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step1/show_ipv6_route.ref
++++ b/rt1/step2/show_ipv6_route.ref
+@@ -13,18 +13,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
+@@ -43,18 +32,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt2",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
+@@ -73,18 +51,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
+@@ -103,18 +70,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt2",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
+@@ -133,18 +89,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
+@@ -163,18 +108,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt2",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step2/show_ip_route.ref
++++ b/rt1/step3/show_ip_route.ref
+@@ -15,7 +15,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.3",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -36,7 +49,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.2",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt2",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -57,7 +83,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.3",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -78,7 +117,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.2",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt2",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -99,7 +151,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.3",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -120,7 +185,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.2",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt2",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step2/show_ipv6_route.ref
++++ b/rt1/step3/show_ipv6_route.ref
+@@ -13,7 +13,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -32,7 +43,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt2",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -51,7 +73,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -70,7 +103,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt2",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -89,7 +133,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -108,7 +163,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt2",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step3/show_ip_route.ref
++++ b/rt1/step4/show_ip_route.ref
+@@ -15,20 +15,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.3",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
+@@ -83,20 +70,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.3",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
+@@ -151,20 +125,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.3",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step3/show_ipv6_route.ref
++++ b/rt1/step4/show_ipv6_route.ref
+@@ -13,18 +13,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
+@@ -73,18 +62,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
+@@ -133,18 +111,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step4/show_ip_route.ref
++++ b/rt1/step5/show_ip_route.ref
+@@ -36,20 +36,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.2",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt2",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
+@@ -91,20 +78,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.2",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt2",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
+@@ -146,20 +120,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.2",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt2",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step4/show_ipv6_route.ref
++++ b/rt1/step5/show_ipv6_route.ref
+@@ -32,18 +32,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt2",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
+@@ -81,18 +70,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt2",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
+@@ -130,18 +108,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt2",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step5/show_ip_route.ref
++++ b/rt1/step6/show_ip_route.ref
+@@ -15,7 +15,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.3",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -36,7 +49,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.2",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt2",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -57,7 +83,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.3",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -78,7 +117,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.2",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt2",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -99,7 +151,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.3",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -120,7 +185,20 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt3",
+ "active":true,
+- "onLink":true
++ "onLink":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "ip":"10.0.255.2",
++ "afi":"ipv4",
++ "interfaceName":"eth-rt2",
++ "active":true,
++ "onLink":true,
++ "labels":"*"
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step5/show_ipv6_route.ref
++++ b/rt1/step6/show_ipv6_route.ref
+@@ -13,7 +13,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -32,7 +43,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt2",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -51,7 +73,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -70,7 +103,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt2",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -89,7 +133,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt3",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
+@@ -108,7 +163,18 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+- "active":true
++ "active":true,
++ "backupIndex":[
++ 0
++ ]
++ }
++ ],
++ "backupNexthops":[
++ {
++ "afi":"ipv6",
++ "interfaceName":"eth-rt2",
++ "active":true,
++ "labels":"*"
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step8/show_ip_route.ref
++++ b/rt1/step9/show_ip_route.ref
+@@ -15,20 +15,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.3",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
+@@ -83,20 +70,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.3",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
+@@ -151,20 +125,7 @@
+ "afi":"ipv4",
+ "interfaceName":"eth-rt2",
+ "active":true,
+- "onLink":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "ip":"10.0.255.3",
+- "afi":"ipv4",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "onLink":true,
+- "labels":"*"
++ "onLink":true
+ }
+ ]
+ }
--- /dev/null
+--- a/rt1/step8/show_ipv6_route.ref
++++ b/rt1/step9/show_ipv6_route.ref
+@@ -13,18 +13,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
+@@ -73,18 +62,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
+@@ -133,18 +111,7 @@
+ "fib":true,
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+- "active":true,
+- "backupIndex":[
+- 0
+- ]
+- }
+- ],
+- "backupNexthops":[
+- {
+- "afi":"ipv6",
+- "interfaceName":"eth-rt3",
+- "active":true,
+- "labels":"*"
++ "active":true
+ }
+ ]
+ }
--- /dev/null
+log file zebra.log
+!
+hostname rt1
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 10.0.255.1/32
+ ipv6 address 2001:db8::1/128
+!
+interface eth-rt2
+ ip address 10.0.255.1/32
+!
+interface eth-rt3
+ ip address 10.0.255.1/32
+!
+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
+ ip router isis 1
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt1
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+interface eth-rt4
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+router isis 1
+ net 49.0000.0000.0000.0002.00
+ is-type level-1-2
+ lsp-gen-interval 2
+ topology ipv6-unicast
+!
--- /dev/null
+log file ldpd.log
+!
+hostname rt2
+!
+debug mpls ldp messages recv
+debug mpls ldp messages sent
+debug mpls ldp zebra
+!
+mpls ldp
+ router-id 10.0.255.2
+ dual-stack transport-connection prefer ipv4
+ !
+ address-family ipv4
+ label local allocate host-routes
+ discovery targeted-hello accept
+ discovery transport-address 10.0.255.2
+ !
+ interface eth-rt1
+ interface eth-rt4
+ !
+ !
+ address-family ipv6
+ label local allocate host-routes
+ discovery transport-address 2001:db8::2
+ !
+ interface eth-rt1
+ interface eth-rt4
+ !
+ !
+!
--- /dev/null
+log file zebra.log
+!
+hostname rt2
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 10.0.255.2/32
+ ipv6 address 2001:db8::2/128
+!
+interface eth-rt1
+ ip address 10.0.255.2/32
+!
+interface eth-rt4
+ ip address 10.0.255.2/32
+!
+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
+ ip router isis 1
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt1
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+interface eth-rt5
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+router isis 1
+ net 49.0000.0000.0000.0003.00
+ is-type level-1-2
+ lsp-gen-interval 2
+ topology ipv6-unicast
+!
--- /dev/null
+log file ldpd.log
+!
+hostname rt3
+!
+debug mpls ldp messages recv
+debug mpls ldp messages sent
+debug mpls ldp zebra
+!
+mpls ldp
+ router-id 10.0.255.3
+ dual-stack transport-connection prefer ipv4
+ !
+ address-family ipv4
+ label local allocate host-routes
+ discovery targeted-hello accept
+ discovery transport-address 10.0.255.3
+ !
+ interface eth-rt1
+ interface eth-rt5
+ !
+ !
+ address-family ipv6
+ label local allocate host-routes
+ discovery transport-address 2001:db8::3
+ !
+ interface eth-rt1
+ interface eth-rt5
+ !
+ !
+!
--- /dev/null
+log file zebra.log
+!
+hostname rt3
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 10.0.255.3/32
+ ipv6 address 2001:db8::3/128
+!
+interface eth-rt1
+ ip address 10.0.255.3/32
+!
+interface eth-rt5
+ ip address 10.0.255.3/32
+!
+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
+ ip router isis 1
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt2
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+interface eth-rt6
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+router isis 1
+ net 49.0000.0000.0000.0004.00
+ is-type level-1-2
+ lsp-gen-interval 2
+ topology ipv6-unicast
+!
--- /dev/null
+log file ldpd.log
+!
+hostname rt4
+!
+debug mpls ldp messages recv
+debug mpls ldp messages sent
+debug mpls ldp zebra
+!
+mpls ldp
+ router-id 10.0.255.4
+ dual-stack transport-connection prefer ipv4
+ !
+ address-family ipv4
+ label local allocate host-routes
+ discovery targeted-hello accept
+ discovery transport-address 10.0.255.4
+ !
+ interface eth-rt2
+ interface eth-rt6
+ !
+ !
+ address-family ipv6
+ label local allocate host-routes
+ discovery transport-address 2001:db8::4
+ !
+ interface eth-rt2
+ interface eth-rt6
+ !
+ !
+!
--- /dev/null
+log file zebra.log
+!
+hostname rt4
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 10.0.255.4/32
+ ipv6 address 2001:db8::4/128
+!
+interface eth-rt2
+ ip address 10.0.255.4/32
+!
+interface eth-rt6
+ ip address 10.0.255.4/32
+!
+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
+ ip router isis 1
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt3
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+interface eth-rt7
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+router isis 1
+ net 49.0000.0000.0000.0005.00
+ is-type level-1-2
+ lsp-gen-interval 2
+ topology ipv6-unicast
+!
--- /dev/null
+log file ldpd.log
+!
+hostname rt5
+!
+debug mpls ldp messages recv
+debug mpls ldp messages sent
+debug mpls ldp zebra
+!
+mpls ldp
+ router-id 10.0.255.5
+ dual-stack transport-connection prefer ipv4
+ !
+ address-family ipv4
+ label local allocate host-routes
+ discovery targeted-hello accept
+ discovery transport-address 10.0.255.5
+ !
+ interface eth-rt3
+ interface eth-rt7
+ !
+ !
+ address-family ipv6
+ label local allocate host-routes
+ discovery transport-address 2001:db8::5
+ !
+ interface eth-rt3
+ interface eth-rt7
+ !
+ !
+!
--- /dev/null
+log file zebra.log
+!
+hostname rt5
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 10.0.255.5/32
+ ipv6 address 2001:db8::5/128
+!
+interface eth-rt3
+ ip address 10.0.255.5/32
+!
+interface eth-rt7
+ ip address 10.0.255.5/32
+!
+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
+ ip router isis 1
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt4
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+interface eth-rt8
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+router isis 1
+ net 49.0000.0000.0000.0006.00
+ is-type level-1-2
+ lsp-gen-interval 2
+ topology ipv6-unicast
+!
--- /dev/null
+log file ldpd.log
+!
+hostname rt6
+!
+debug mpls ldp messages recv
+debug mpls ldp messages sent
+debug mpls ldp zebra
+!
+mpls ldp
+ router-id 10.0.255.6
+ dual-stack transport-connection prefer ipv4
+ !
+ address-family ipv4
+ label local allocate host-routes
+ discovery targeted-hello accept
+ discovery transport-address 10.0.255.6
+ !
+ interface eth-rt4
+ interface eth-rt8
+ !
+ !
+ address-family ipv6
+ label local allocate host-routes
+ discovery transport-address 2001:db8::6
+ !
+ interface eth-rt4
+ interface eth-rt8
+ !
+ !
+!
--- /dev/null
+log file zebra.log
+!
+hostname rt6
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 10.0.255.6/32
+ ipv6 address 2001:db8::6/128
+!
+interface eth-rt4
+ ip address 10.0.255.6/32
+!
+interface eth-rt8
+ ip address 10.0.255.6/32
+!
+ip forwarding
+!
+line vty
+!
--- /dev/null
+password 1
+hostname rt7
+log file isisd.log
+!
+debug isis events
+debug isis route-events
+debug isis spf-events
+debug isis lsp-gen
+!
+interface lo
+ ip router isis 1
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt5
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+interface eth-rt8
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+router isis 1
+ net 49.0000.0000.0000.0007.00
+ is-type level-1-2
+ lsp-gen-interval 2
+ topology ipv6-unicast
+!
--- /dev/null
+log file ldpd.log
+!
+hostname rt7
+!
+debug mpls ldp messages recv
+debug mpls ldp messages sent
+debug mpls ldp zebra
+!
+mpls ldp
+ router-id 10.0.255.7
+ dual-stack transport-connection prefer ipv4
+ !
+ address-family ipv4
+ label local allocate host-routes
+ discovery targeted-hello accept
+ discovery transport-address 10.0.255.7
+ !
+ interface eth-rt5
+ interface eth-rt8
+ !
+ !
+ address-family ipv6
+ label local allocate host-routes
+ discovery transport-address 2001:db8::7
+ !
+ interface eth-rt5
+ interface eth-rt8
+ !
+ !
+!
--- /dev/null
+log file zebra.log
+!
+hostname rt7
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 10.0.255.7/32
+ ipv6 address 2001:db8::7/128
+!
+interface eth-rt5
+ ip address 10.0.255.7/32
+!
+interface eth-rt8
+ ip address 10.0.255.7/32
+!
+ip forwarding
+!
+line vty
+!
--- /dev/null
+password 1
+hostname rt8
+log file isisd.log
+!
+debug isis events
+debug isis route-events
+debug isis spf-events
+debug isis lsp-gen
+!
+interface lo
+ ip router isis 1
+ ipv6 router isis 1
+ isis passive
+!
+interface eth-rt6
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+interface eth-rt7
+ ip router isis 1
+ ipv6 router isis 1
+ isis hello-multiplier 3
+ isis network point-to-point
+!
+router isis 1
+ net 49.0000.0000.0000.0008.00
+ is-type level-1-2
+ lsp-gen-interval 2
+ topology ipv6-unicast
+!
--- /dev/null
+log file ldpd.log
+!
+hostname rt8
+!
+debug mpls ldp messages recv
+debug mpls ldp messages sent
+debug mpls ldp zebra
+!
+mpls ldp
+ router-id 10.0.255.8
+ dual-stack transport-connection prefer ipv4
+ !
+ address-family ipv4
+ label local allocate host-routes
+ discovery targeted-hello accept
+ discovery transport-address 10.0.255.8
+ !
+ interface eth-rt6
+ interface eth-rt7
+ !
+ !
+ address-family ipv6
+ label local allocate host-routes
+ discovery transport-address 2001:db8::8
+ !
+ interface eth-rt6
+ interface eth-rt7
+ !
+ !
+!
--- /dev/null
+log file zebra.log
+!
+hostname rt8
+!
+debug zebra kernel
+debug zebra packet
+debug zebra mpls
+!
+interface lo
+ ip address 10.0.255.8/32
+ ipv6 address 2001:db8::8/128
+!
+interface eth-rt6
+ ip address 10.0.255.8/32
+!
+interface eth-rt7
+ ip address 10.0.255.8/32
+!
+ip forwarding
+!
+line vty
+!
--- /dev/null
+#!/usr/bin/env python
+
+#
+# test_isis_rlfa_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_rlfa_topo1.py:
+
+ +---------+ +---------+
+ | | | |
+ | RT1 | | RT2 |
+ | +---------------------+ |
+ | | | |
+ +---+-----+ +------+--+
+ | |
+ | |
+ | |
+ +---+-----+ +------+--+
+ | | | |
+ | RT3 | | RT4 |
+ | | | |
+ | | | |
+ +---+-----+ +------+--+
+ | |
+ | |
+ | |
+ +---+-----+ +------+--+
+ | | | |
+ | RT5 | | RT6 |
+ | | | |
+ | | | |
+ +---+-----+ +------+--+
+ | |
+ | |
+ | |
+ +---+-----+ +------+--+
+ | | | |
+ | RT7 | | RT8 |
+ | +---------------------+ |
+ | | | |
+ +---------+ +---------+
+"""
+
+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", "rt8"]:
+ 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["rt1"], nodeif="eth-rt3")
+ switch.add_link(tgen.gears["rt3"], nodeif="eth-rt1")
+ switch = tgen.add_switch("s3")
+ switch.add_link(tgen.gears["rt2"], nodeif="eth-rt4")
+ switch.add_link(tgen.gears["rt4"], nodeif="eth-rt2")
+ switch = tgen.add_switch("s4")
+ switch.add_link(tgen.gears["rt3"], nodeif="eth-rt5")
+ switch.add_link(tgen.gears["rt5"], nodeif="eth-rt3")
+ switch = tgen.add_switch("s5")
+ switch.add_link(tgen.gears["rt4"], nodeif="eth-rt6")
+ switch.add_link(tgen.gears["rt6"], nodeif="eth-rt4")
+ switch = tgen.add_switch("s6")
+ switch.add_link(tgen.gears["rt5"], nodeif="eth-rt7")
+ switch.add_link(tgen.gears["rt7"], nodeif="eth-rt5")
+ switch = tgen.add_switch("s7")
+ switch.add_link(tgen.gears["rt6"], nodeif="eth-rt8")
+ switch.add_link(tgen.gears["rt8"], nodeif="eth-rt6")
+ switch = tgen.add_switch("s8")
+ switch.add_link(tgen.gears["rt7"], nodeif="eth-rt8")
+ switch.add_link(tgen.gears["rt8"], nodeif="eth-rt7")
+
+ #
+ # Populate multi-dimensional dictionary containing all expected outputs
+ #
+ files = [
+ "show_ip_route.ref",
+ "show_ipv6_route.ref",
+ "show_yang_interface_isis_adjacencies.ref",
+ ]
+ for rname in ["rt1"]:
+ outputs[rname] = {}
+ for step in range(1, 10 + 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 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))
+ )
+ router.load_config(
+ TopoRouter.RD_LDP, os.path.join(CWD, "{}/ldpd.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"]:
+ 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_ipv4_step1():
+ logger.info("Test (step 1): verify IPv4 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"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][1]["show_ip_route.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"]:
+ router_compare_json_output(
+ rname, "show ipv6 route isis json", outputs[rname][1]["show_ipv6_route.ref"]
+ )
+
+
+#
+# Step 2
+#
+# Action(s):
+# -Configure rt8 (rt1's PQ router) to not accept targeted hello messages
+#
+# Expected changes:
+# -All rt1 backup routes should be uninstalled
+#
+def test_rib_ipv4_step2():
+ logger.info("Test (step 2): verify IPv4 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info("Configuring rt8 to not accept targeted hello messages")
+ tgen.net["rt8"].cmd(
+ 'vtysh -c "conf t" -c "mpls ldp" -c "address-family ipv4" -c "no discovery targeted-hello accept"'
+ )
+
+ for rname in ["rt1"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][2]["show_ip_route.ref"]
+ )
+
+
+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)
+
+ 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):
+# -Configure rt8 (rt1's PQ router) to accept targeted hello messages
+#
+# Expected changes:
+# -All rt1 previously uninstalled backup routes should be reinstalled
+#
+def test_rib_ipv4_step3():
+ logger.info("Test (step 3): verify IPv4 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info("Configuring rt8 to accept targeted hello messages")
+ tgen.net["rt8"].cmd(
+ 'vtysh -c "conf t" -c "mpls ldp" -c "address-family ipv4" -c "discovery targeted-hello accept"'
+ )
+
+ for rname in ["rt1"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][3]["show_ip_route.ref"]
+ )
+
+
+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)
+
+ 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 RLFA on rt1's eth-rt2 interface
+#
+# Expected changes:
+# -All non-ECMP routes whose primary nexthop is eth-rt2 should lose their backup nexthops
+#
+def test_rib_ipv4_step4():
+ logger.info("Test (step 4): verify IPv4 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info("Disabling RLFA on rt1's eth-rt2 interface")
+ tgen.net["rt1"].cmd(
+ 'vtysh -c "conf t" -c "interface eth-rt2" -c "no isis fast-reroute remote-lfa tunnel mpls-ldp"'
+ )
+
+ for rname in ["rt1"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][4]["show_ip_route.ref"]
+ )
+
+
+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)
+
+ 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):
+# -Disable RLFA on rt1's eth-rt3 interface
+#
+# Expected changes:
+# -All non-ECMP routes whose primary nexthop is eth-rt3 should lose their backup nexthops
+#
+def test_rib_ipv4_step5():
+ logger.info("Test (step 5): verify IPv4 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info("Disabling RLFA on rt1's eth-rt3 interface")
+ tgen.net["rt1"].cmd(
+ 'vtysh -c "conf t" -c "interface eth-rt3" -c "no isis fast-reroute remote-lfa tunnel mpls-ldp"'
+ )
+
+ for rname in ["rt1"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][5]["show_ip_route.ref"]
+ )
+
+
+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)
+
+ 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):
+# -Re-enable RLFA on rt1's eth-rt2 and eth-rt3 interfaces
+#
+# Expected changes:
+# -Revert changes from the previous two steps (reinstall all backup routes)
+#
+def test_rib_ipv4_step6():
+ logger.info("Test (step 6): verify IPv4 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 RLFA on rt1's eth-rt2 and eth-rt3 interfaces")
+ tgen.net["rt1"].cmd(
+ 'vtysh -c "conf t" -c "interface eth-rt2" -c "isis fast-reroute remote-lfa tunnel mpls-ldp"'
+ )
+ tgen.net["rt1"].cmd(
+ 'vtysh -c "conf t" -c "interface eth-rt3" -c "isis fast-reroute remote-lfa tunnel mpls-ldp"'
+ )
+
+ for rname in ["rt1"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][6]["show_ip_route.ref"]
+ )
+
+
+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)
+
+ 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 PQ node prefix-list filter
+#
+# Expected changes:
+# -All backup routes should be uninstalled
+#
+def test_rib_ipv4_step7():
+ logger.info("Test (step 7): verify IPv4 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 PQ node prefix-list filter")
+ tgen.net["rt1"].cmd(
+ 'vtysh -c "conf t" -c "router isis 1" -c "fast-reroute remote-lfa prefix-list PLIST"'
+ )
+
+ for rname in ["rt1"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][7]["show_ip_route.ref"]
+ )
+
+
+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)
+
+ 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):
+# -Configure a prefix-list allowing rt8 as a PQ node
+#
+# Expected changes:
+# -All backup routes should be installed again
+#
+def test_rib_ipv4_step8():
+ logger.info("Test (step 8): verify IPv4 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-list allowing rt8 as a PQ node")
+ tgen.net["rt1"].cmd(
+ 'vtysh -c "conf t" -c "ip prefix-list PLIST seq 5 permit 10.0.255.8/32"'
+ )
+
+ for rname in ["rt1"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][8]["show_ip_route.ref"]
+ )
+
+
+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)
+
+ 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):
+# -Change the maximum metric up to the PQ node to 30 on the eth-rt2 interface
+#
+# Expected changes:
+# -All non-ECMP routes whose primary nexthop is eth-rt2 should lose their backup nexthops
+#
+def test_rib_ipv4_step9():
+ logger.info("Test (step 9): verify IPv4 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info(
+ "Changing the maximum metric up to the PQ node to 30 on the eth-rt2 interface"
+ )
+ tgen.net["rt1"].cmd(
+ 'vtysh -c "conf t" -c "interface eth-rt2" -c "isis fast-reroute remote-lfa maximum-metric 30"'
+ )
+
+ for rname in ["rt1"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][9]["show_ip_route.ref"]
+ )
+
+
+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)
+
+ 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):
+# -Change the maximum metric up to the PQ node to 40 on the eth-rt2 interface
+#
+# Expected changes:
+# -All non-ECMP routes whose primary nexthop is eth-rt2 should recover their backup nexthops
+#
+def test_rib_ipv4_step10():
+ logger.info("Test (step 10): verify IPv4 RIB")
+ tgen = get_topogen()
+
+ # Skip if previous fatal error condition is raised
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info(
+ "Changing the maximum metric up to the PQ node to 40 on the eth-rt2 interface"
+ )
+ tgen.net["rt1"].cmd(
+ 'vtysh -c "conf t" -c "interface eth-rt2" -c "isis fast-reroute remote-lfa maximum-metric 40"'
+ )
+
+ for rname in ["rt1"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][10]["show_ip_route.ref"]
+ )
+
+
+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)
+
+ for rname in ["rt1"]:
+ router_compare_json_output(
+ rname,
+ "show ipv6 route isis json",
+ outputs[rname][10]["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))
projects / mirror / frr.git / commitdiff