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-rw-r--r--tests/isisd/test_common.c18
-rw-r--r--tests/isisd/test_common.h3
-rw-r--r--tests/isisd/test_isis_spf.c101
-rw-r--r--tests/isisd/test_isis_spf.in12
-rw-r--r--tests/isisd/test_isis_spf.refout1221
5 files changed, 1355 insertions, 0 deletions
diff --git a/tests/isisd/test_common.c b/tests/isisd/test_common.c
index 5fa604c749..5b2028ffd4 100644
--- a/tests/isisd/test_common.c
+++ b/tests/isisd/test_common.c
@@ -69,6 +69,24 @@ test_find_adjacency(const struct isis_test_node *tnode, const char *hostname)
return NULL;
}
+mpls_label_t test_topology_node_ldp_label(const struct isis_topology *topology,
+ struct in_addr router_id)
+{
+ for (size_t i = 0; topology->nodes[i].hostname[0]; i++) {
+ const struct isis_test_node *tnode = &topology->nodes[i];
+ struct in_addr node_router_id;
+
+ if (!tnode->router_id)
+ continue;
+
+ (void)inet_pton(AF_INET, tnode->router_id, &node_router_id);
+ if (IPV4_ADDR_SAME(&router_id, &node_router_id))
+ return (50000 + (i + 1) * 100);
+ }
+
+ return MPLS_INVALID_LABEL;
+}
+
static struct isis_lsp *lsp_add(struct lspdb_head *lspdb,
struct isis_area *area, int level,
const uint8_t *sysid, uint8_t pseudonode_id)
diff --git a/tests/isisd/test_common.h b/tests/isisd/test_common.h
index 6fd0d3813e..3359a893ac 100644
--- a/tests/isisd/test_common.h
+++ b/tests/isisd/test_common.h
@@ -70,6 +70,9 @@ test_topology_find_node(const struct isis_topology *topology,
const char *hostname, uint8_t pseudonode_id);
extern const struct isis_topology *
test_topology_find(struct isis_topology *test_topologies, uint16_t number);
+extern mpls_label_t
+test_topology_node_ldp_label(const struct isis_topology *topology,
+ struct in_addr router_id);
extern int test_topology_load(const struct isis_topology *topology,
struct isis_area *area,
struct lspdb_head lspdb[]);
diff --git a/tests/isisd/test_isis_spf.c b/tests/isisd/test_isis_spf.c
index 36ef93669b..e06944a037 100644
--- a/tests/isisd/test_isis_spf.c
+++ b/tests/isisd/test_isis_spf.c
@@ -31,6 +31,7 @@
#include "isisd/isisd.h"
#include "isisd/isis_dynhn.h"
#include "isisd/isis_misc.h"
+#include "isisd/isis_route.h"
#include "isisd/isis_spf.h"
#include "isisd/isis_spf_private.h"
@@ -40,6 +41,7 @@ enum test_type {
TEST_SPF = 1,
TEST_REVERSE_SPF,
TEST_LFA,
+ TEST_RLFA,
TEST_TI_LFA,
};
@@ -105,6 +107,86 @@ static void test_run_lfa(struct vty *vty, const struct isis_topology *topology,
isis_spftree_del(spftree_self);
}
+static void test_run_rlfa(struct vty *vty, const struct isis_topology *topology,
+ const struct isis_test_node *root,
+ struct isis_area *area, struct lspdb_head *lspdb,
+ int level, int tree,
+ struct lfa_protected_resource *protected_resource)
+{
+ struct isis_spftree *spftree_self;
+ struct isis_spftree *spftree_reverse;
+ struct isis_spftree *spftree_pc;
+ struct isis_spf_node *spf_node, *node;
+ struct rlfa *rlfa;
+ uint8_t flags;
+
+ /* Run forward SPF in the root node. */
+ flags = F_SPFTREE_NO_ADJACENCIES;
+ spftree_self = isis_spftree_new(area, lspdb, root->sysid, level, tree,
+ SPF_TYPE_FORWARD, flags);
+ isis_run_spf(spftree_self);
+
+ /* Run reverse SPF in the root node. */
+ spftree_reverse = isis_spf_reverse_run(spftree_self);
+
+ /* Run forward SPF on all adjacent routers. */
+ isis_spf_run_neighbors(spftree_self);
+
+ /* Compute the local LFA repair paths. */
+ isis_lfa_compute(area, NULL, spftree_self, protected_resource);
+
+ /* Compute the remote LFA repair paths. */
+ spftree_pc = isis_rlfa_compute(area, spftree_self, spftree_reverse, 0,
+ protected_resource);
+
+ /* Print the extended P-space and Q-space. */
+ vty_out(vty, "P-space (self):\n");
+ RB_FOREACH (node, isis_spf_nodes, &spftree_pc->lfa.p_space)
+ vty_out(vty, " %s\n", print_sys_hostname(node->sysid));
+ vty_out(vty, "\n");
+ RB_FOREACH (spf_node, isis_spf_nodes, &spftree_self->adj_nodes) {
+ if (RB_EMPTY(isis_spf_nodes, &spf_node->lfa.p_space))
+ continue;
+ vty_out(vty, "P-space (%s):\n",
+ print_sys_hostname(spf_node->sysid));
+ RB_FOREACH (node, isis_spf_nodes, &spf_node->lfa.p_space)
+ vty_out(vty, " %s\n", print_sys_hostname(node->sysid));
+ vty_out(vty, "\n");
+ }
+ vty_out(vty, "Q-space:\n");
+ RB_FOREACH (node, isis_spf_nodes, &spftree_pc->lfa.q_space)
+ vty_out(vty, " %s\n", print_sys_hostname(node->sysid));
+ vty_out(vty, "\n");
+
+ /* Print the post-convergence SPT. */
+ isis_print_spftree(vty, spftree_pc);
+
+ /*
+ * Activate the computed RLFAs (if any) using artificial LDP labels for
+ * the PQ nodes.
+ */
+ frr_each_safe (rlfa_tree, &spftree_self->lfa.remote.rlfas, rlfa) {
+ struct zapi_rlfa_response response = {};
+
+ response.pq_label = test_topology_node_ldp_label(
+ topology, rlfa->pq_address);
+ assert(response.pq_label != MPLS_INVALID_LABEL);
+ isis_rlfa_activate(spftree_self, rlfa, &response);
+ }
+
+ /* Print the SPT and the corresponding main/backup routing tables. */
+ isis_print_spftree(vty, spftree_self);
+ vty_out(vty, "Main:\n");
+ isis_print_routes(vty, spftree_self, false, false);
+ vty_out(vty, "Backup:\n");
+ isis_print_routes(vty, spftree_self, false, true);
+
+ /* Cleanup everything. */
+ isis_spftree_del(spftree_self);
+ isis_spftree_del(spftree_reverse);
+ isis_spftree_del(spftree_pc);
+}
+
static void test_run_ti_lfa(struct vty *vty,
const struct isis_topology *topology,
const struct isis_test_node *root,
@@ -242,6 +324,11 @@ static int test_run(struct vty *vty, const struct isis_topology *topology,
&area->lspdb[level - 1], level,
tree, &protected_resource);
break;
+ case TEST_RLFA:
+ test_run_rlfa(vty, topology, root, area,
+ &area->lspdb[level - 1], level,
+ tree, &protected_resource);
+ break;
case TEST_TI_LFA:
test_run_ti_lfa(vty, topology, root, area,
&area->lspdb[level - 1], level,
@@ -266,6 +353,7 @@ DEFUN(test_isis, test_isis_cmd,
spf\
|reverse-spf\
|lfa system-id WORD [pseudonode-id <1-255>]\
+ |remote-lfa system-id WORD [pseudonode-id <1-255>]\
|ti-lfa system-id WORD [pseudonode-id <1-255>] [node-protection]\
>\
[display-lspdb] [<ipv4-only|ipv6-only>] [<level-1-only|level-2-only>]",
@@ -282,6 +370,11 @@ DEFUN(test_isis, test_isis_cmd,
"System ID\n"
"Pseudonode-ID\n"
"Pseudonode-ID\n"
+ "Remote LFA\n"
+ "System ID\n"
+ "System ID\n"
+ "Pseudonode-ID\n"
+ "Pseudonode-ID\n"
"Topology Independent LFA\n"
"System ID\n"
"System ID\n"
@@ -335,6 +428,14 @@ DEFUN(test_isis, test_isis_cmd,
fail_pseudonode_id =
strtoul(argv[idx + 1]->arg, NULL, 10);
protection_type = LFA_LINK_PROTECTION;
+ } else if (argv_find(argv, argc, "remote-lfa", &idx)) {
+ test_type = TEST_RLFA;
+
+ fail_sysid_str = argv[idx + 2]->arg;
+ if (argv_find(argv, argc, "pseudonode-id", &idx))
+ fail_pseudonode_id =
+ strtoul(argv[idx + 1]->arg, NULL, 10);
+ protection_type = LFA_LINK_PROTECTION;
} else if (argv_find(argv, argc, "ti-lfa", &idx)) {
test_type = TEST_TI_LFA;
diff --git a/tests/isisd/test_isis_spf.in b/tests/isisd/test_isis_spf.in
index 93e18124e6..f8f65ffdf7 100644
--- a/tests/isisd/test_isis_spf.in
+++ b/tests/isisd/test_isis_spf.in
@@ -31,6 +31,18 @@ test isis topology 14 root rt1 lfa system-id rt1 pseudonode-id 1
test isis topology 14 root rt1 lfa system-id rt2
test isis topology 14 root rt5 lfa system-id rt4
+test isis topology 1 root rt1 remote-lfa system-id rt2
+test isis topology 2 root rt5 remote-lfa system-id rt1 pseudonode-id 1
+test isis topology 3 root rt5 remote-lfa system-id rt4 ipv4-only
+test isis topology 3 root rt5 remote-lfa system-id rt3 ipv4-only
+test isis topology 5 root rt1 remote-lfa system-id rt2 ipv4-only
+test isis topology 6 root rt4 remote-lfa system-id rt3 ipv4-only
+test isis topology 7 root rt11 remote-lfa system-id rt8 ipv4-only
+test isis topology 7 root rt6 remote-lfa system-id rt5 ipv4-only
+test isis topology 8 root rt2 remote-lfa system-id rt5 ipv4-only
+test isis topology 11 root rt2 remote-lfa system-id rt4
+test isis topology 13 root rt1 remote-lfa system-id rt3 ipv4-only
+
test isis topology 1 root rt1 ti-lfa system-id rt2
test isis topology 2 root rt1 ti-lfa system-id rt3
test isis topology 2 root rt1 ti-lfa system-id rt1 pseudonode-id 1
diff --git a/tests/isisd/test_isis_spf.refout b/tests/isisd/test_isis_spf.refout
index dced6fb103..024f7256e0 100644
--- a/tests/isisd/test_isis_spf.refout
+++ b/tests/isisd/test_isis_spf.refout
@@ -1807,6 +1807,1227 @@ IS-IS L1 IPv6 routing table:
2001:db8::4/128 60 - rt3 -
test#
+test# test isis topology 1 root rt1 remote-lfa system-id rt2
+P-space (self):
+ rt3
+ rt5
+
+P-space (rt3):
+ rt3
+ rt5
+ rt6
+
+Q-space:
+ rt2
+ rt4
+ rt6
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt1
+10.0.255.1/32 IP internal 0 rt1(4)
+rt3 TE-IS 10 rt3 - rt1(4)
+rt5 TE-IS 20 rt3 - rt3(4)
+10.0.255.3/32 IP TE 20 rt3 - rt3(4)
+rt6 TE-IS 30 rt3 - rt5(4)
+10.0.255.5/32 IP TE 30 rt3 - rt5(4)
+rt4 TE-IS 40 rt3 - rt6(4)
+10.0.255.6/32 IP TE 40 rt3 - rt6(4)
+rt2 TE-IS 50 rt3 - rt4(4)
+10.0.255.4/32 IP TE 50 rt3 - rt4(4)
+10.0.255.2/32 IP TE 60 rt3 - rt2(4)
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt1
+10.0.255.1/32 IP internal 0 rt1(4)
+rt2 TE-IS 10 rt2 - rt1(4)
+rt3 TE-IS 10 rt3 - rt1(4)
+rt4 TE-IS 20 rt2 - rt2(4)
+rt5 TE-IS 20 rt3 - rt3(4)
+10.0.255.2/32 IP TE 20 rt2 - rt2(4)
+10.0.255.3/32 IP TE 20 rt3 - rt3(4)
+rt6 TE-IS 30 rt2 - rt4(4)
+ rt3 - rt5(4)
+10.0.255.4/32 IP TE 30 rt2 - rt4(4)
+10.0.255.5/32 IP TE 30 rt3 - rt5(4)
+10.0.255.6/32 IP TE 40 rt2 - rt6(4)
+ rt3 -
+
+Main:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ----------------------------------------------------------
+ 10.0.255.1/32 0 - - -
+ 10.0.255.2/32 20 - rt2 implicit-null
+ 10.0.255.3/32 20 - rt3 implicit-null
+ 10.0.255.4/32 30 - rt2 16040
+ 10.0.255.5/32 30 - rt3 16050
+ 10.0.255.6/32 40 - rt2 16060
+ - rt3 16060
+
+Backup:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ --------------------------------------------------------
+ 10.0.255.2/32 60 - rt3 50600/16020
+ 10.0.255.4/32 50 - rt3 50600/16040
+
+P-space (self):
+ rt3
+ rt5
+
+P-space (rt3):
+ rt3
+ rt5
+ rt6
+
+Q-space:
+ rt2
+ rt4
+ rt6
+
+IS-IS paths to level-1 routers that speak IPv6
+Vertex Type Metric Next-Hop Interface Parent
+rt1
+2001:db8::1/128 IP6 internal 0 rt1(4)
+rt3 TE-IS 10 rt3 - rt1(4)
+rt5 TE-IS 20 rt3 - rt3(4)
+2001:db8::3/128 IP6 internal 20 rt3 - rt3(4)
+rt6 TE-IS 30 rt3 - rt5(4)
+2001:db8::5/128 IP6 internal 30 rt3 - rt5(4)
+rt4 TE-IS 40 rt3 - rt6(4)
+2001:db8::6/128 IP6 internal 40 rt3 - rt6(4)
+rt2 TE-IS 50 rt3 - rt4(4)
+2001:db8::4/128 IP6 internal 50 rt3 - rt4(4)
+2001:db8::2/128 IP6 internal 60 rt3 - rt2(4)
+
+IS-IS paths to level-1 routers that speak IPv6
+Vertex Type Metric Next-Hop Interface Parent
+rt1
+2001:db8::1/128 IP6 internal 0 rt1(4)
+rt2 TE-IS 10 rt2 - rt1(4)
+rt3 TE-IS 10 rt3 - rt1(4)
+rt4 TE-IS 20 rt2 - rt2(4)
+rt5 TE-IS 20 rt3 - rt3(4)
+2001:db8::2/128 IP6 internal 20 rt2 - rt2(4)
+2001:db8::3/128 IP6 internal 20 rt3 - rt3(4)
+rt6 TE-IS 30 rt2 - rt4(4)
+ rt3 - rt5(4)
+2001:db8::4/128 IP6 internal 30 rt2 - rt4(4)
+2001:db8::5/128 IP6 internal 30 rt3 - rt5(4)
+2001:db8::6/128 IP6 internal 40 rt2 - rt6(4)
+ rt3 -
+
+Main:
+IS-IS L1 IPv6 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ------------------------------------------------------------
+ 2001:db8::1/128 0 - - -
+ 2001:db8::2/128 20 - rt2 implicit-null
+ 2001:db8::3/128 20 - rt3 implicit-null
+ 2001:db8::4/128 30 - rt2 16041
+ 2001:db8::5/128 30 - rt3 16051
+ 2001:db8::6/128 40 - rt2 16061
+ - rt3 16061
+
+Backup:
+IS-IS L1 IPv6 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ----------------------------------------------------------
+ 2001:db8::2/128 60 - rt3 50600/16021
+ 2001:db8::4/128 50 - rt3 50600/16041
+
+test# test isis topology 2 root rt5 remote-lfa system-id rt1 pseudonode-id 1
+P-space (self):
+ rt6
+
+P-space (rt3):
+ rt1
+ rt2
+ rt3
+ rt4
+
+P-space (rt6):
+ rt4
+ rt6
+
+Q-space:
+ rt1
+ rt2
+ rt3
+ rt4
+ rt6
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt5
+10.0.255.5/32 IP internal 0 rt5(4)
+rt6 TE-IS 10 rt6 - rt5(4)
+rt4 TE-IS 20 rt6 - rt6(4)
+10.0.255.6/32 IP TE 20 rt6 - rt6(4)
+rt1 pseudo_TE-IS 30 rt6 - rt4(4)
+rt1 TE-IS 30 rt6 - rt1(2)
+10.0.255.4/32 IP TE 30 rt6 - rt4(4)
+rt3 TE-IS 40 rt3 - rt5(4)
+10.0.255.1/32 IP TE 40 rt6 - rt1(4)
+rt2 TE-IS 45 rt6 - rt1(4)
+10.0.255.3/32 IP TE 50 rt3 - rt3(4)
+10.0.255.2/32 IP TE 55 rt6 - rt2(4)
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt5
+10.0.255.5/32 IP internal 0 rt5(4)
+rt1 TE-IS 10 rt1 - rt5(4)
+rt4 TE-IS 10 rt4 - rt5(4)
+rt6 TE-IS 10 rt6 - rt5(4)
+rt1 pseudo_TE-IS 20 rt1 - rt1(4)
+ rt4 - rt4(4)
+10.0.255.1/32 IP TE 20 rt1 - rt1(4)
+10.0.255.4/32 IP TE 20 rt4 - rt4(4)
+10.0.255.6/32 IP TE 20 rt6 - rt6(4)
+rt2 TE-IS 25 rt1 - rt1(4)
+10.0.255.2/32 IP TE 35 rt1 - rt2(4)
+rt3 TE-IS 40 rt3 - rt5(4)
+ rt1 - rt1(4)
+10.0.255.3/32 IP TE 50 rt3 - rt3(4)
+ rt1 -
+
+Main:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ----------------------------------------------------------
+ 10.0.255.1/32 20 - rt1 implicit-null
+ 10.0.255.2/32 35 - rt1 16020
+ 10.0.255.3/32 50 - rt3 implicit-null
+ - rt1 implicit-null
+ 10.0.255.4/32 20 - rt4 implicit-null
+ 10.0.255.5/32 0 - - -
+ 10.0.255.6/32 20 - rt6 implicit-null
+
+Backup:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ --------------------------------------------------------
+ 10.0.255.1/32 40 - rt6 50400/16010
+ 10.0.255.2/32 55 - rt6 50400/16020
+ 10.0.255.4/32 30 - rt6 50400/16040
+
+P-space (self):
+ rt6
+
+P-space (rt3):
+ rt1
+ rt2
+ rt3
+ rt4
+
+P-space (rt6):
+ rt4
+ rt6
+
+Q-space:
+ rt1
+ rt2
+ rt3
+ rt4
+ rt6
+
+IS-IS paths to level-1 routers that speak IPv6
+Vertex Type Metric Next-Hop Interface Parent
+rt5
+2001:db8::5/128 IP6 internal 0 rt5(4)
+rt6 TE-IS 10 rt6 - rt5(4)
+rt4 TE-IS 20 rt6 - rt6(4)
+2001:db8::6/128 IP6 internal 20 rt6 - rt6(4)
+rt1 pseudo_TE-IS 30 rt6 - rt4(4)
+rt1 TE-IS 30 rt6 - rt1(2)
+2001:db8::4/128 IP6 internal 30 rt6 - rt4(4)
+rt3 TE-IS 40 rt3 - rt5(4)
+2001:db8::1/128 IP6 internal 40 rt6 - rt1(4)
+rt2 TE-IS 45 rt6 - rt1(4)
+2001:db8::3/128 IP6 internal 50 rt3 - rt3(4)
+2001:db8::2/128 IP6 internal 55 rt6 - rt2(4)
+
+IS-IS paths to level-1 routers that speak IPv6
+Vertex Type Metric Next-Hop Interface Parent
+rt5
+2001:db8::5/128 IP6 internal 0 rt5(4)
+rt1 TE-IS 10 rt1 - rt5(4)
+rt4 TE-IS 10 rt4 - rt5(4)
+rt6 TE-IS 10 rt6 - rt5(4)
+rt1 pseudo_TE-IS 20 rt1 - rt1(4)
+ rt4 - rt4(4)
+2001:db8::1/128 IP6 internal 20 rt1 - rt1(4)
+2001:db8::4/128 IP6 internal 20 rt4 - rt4(4)
+2001:db8::6/128 IP6 internal 20 rt6 - rt6(4)
+rt2 TE-IS 25 rt1 - rt1(4)
+2001:db8::2/128 IP6 internal 35 rt1 - rt2(4)
+rt3 TE-IS 40 rt3 - rt5(4)
+ rt1 - rt1(4)
+2001:db8::3/128 IP6 internal 50 rt3 - rt3(4)
+ rt1 -
+
+Main:
+IS-IS L1 IPv6 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ------------------------------------------------------------
+ 2001:db8::1/128 20 - rt1 implicit-null
+ 2001:db8::2/128 35 - rt1 16021
+ 2001:db8::3/128 50 - rt3 implicit-null
+ - rt1 implicit-null
+ 2001:db8::4/128 20 - rt4 implicit-null
+ 2001:db8::5/128 0 - - -
+ 2001:db8::6/128 20 - rt6 implicit-null
+
+Backup:
+IS-IS L1 IPv6 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ----------------------------------------------------------
+ 2001:db8::1/128 40 - rt6 50400/16011
+ 2001:db8::2/128 55 - rt6 50400/16021
+ 2001:db8::4/128 30 - rt6 50400/16041
+
+test# test isis topology 3 root rt5 remote-lfa system-id rt4 ipv4-only
+P-space (self):
+ rt6
+
+P-space (rt3):
+ rt1
+ rt2
+ rt3
+ rt4
+ rt6
+
+P-space (rt6):
+ rt1
+ rt2
+ rt3
+ rt4
+ rt6
+
+Q-space:
+ rt1
+ rt2
+ rt3
+ rt4
+ rt6
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt5
+10.0.255.5/32 IP internal 0 rt5(4)
+rt6 TE-IS 10 rt6 - rt5(4)
+rt4 TE-IS 20 rt6 - rt6(4)
+10.0.255.6/32 IP TE 20 rt6 - rt6(4)
+rt3 TE-IS 30 rt3 - rt5(4)
+rt2 TE-IS 30 rt6 - rt4(4)
+10.0.255.4/32 IP TE 30 rt6 - rt4(4)
+rt1 TE-IS 40 rt3 - rt3(4)
+ rt6 - rt2(4)
+10.0.255.3/32 IP TE 40 rt3 - rt3(4)
+10.0.255.2/32 IP TE 40 rt6 - rt2(4)
+10.0.255.1/32 IP TE 50 rt3 - rt1(4)
+ rt6 -
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt5
+10.0.255.5/32 IP internal 0 rt5(4)
+rt4 TE-IS 10 rt4 - rt5(4)
+rt6 TE-IS 10 rt6 - rt5(4)
+rt2 TE-IS 20 rt4 - rt4(4)
+10.0.255.4/32 IP TE 20 rt4 - rt4(4)
+10.0.255.6/32 IP TE 20 rt6 - rt6(4)
+rt3 TE-IS 30 rt3 - rt5(4)
+ rt4 - rt2(4)
+rt1 TE-IS 30 rt4 - rt2(4)
+10.0.255.2/32 IP TE 30 rt4 - rt2(4)
+10.0.255.3/32 IP TE 40 rt3 - rt3(4)
+ rt4 -
+10.0.255.1/32 IP TE 40 rt4 - rt1(4)
+
+Main:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ----------------------------------------------------------
+ 10.0.255.1/32 40 - rt4 16010
+ 10.0.255.2/32 30 - rt4 16020
+ 10.0.255.3/32 40 - rt3 implicit-null
+ - rt4 implicit-null
+ 10.0.255.4/32 20 - rt4 implicit-null
+ 10.0.255.5/32 0 - - -
+ 10.0.255.6/32 20 - rt6 implicit-null
+
+Backup:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ -----------------------------------------------------
+ 10.0.255.1/32 40 - rt3 16010
+ - rt6 16010
+ 10.0.255.2/32 30 - rt3 16020
+ - rt6 16020
+ 10.0.255.4/32 20 - rt3 16040
+ - rt6 16040
+
+test# test isis topology 3 root rt5 remote-lfa system-id rt3 ipv4-only
+P-space (self):
+ rt1
+ rt2
+ rt4
+ rt6
+
+P-space (rt4):
+ rt1
+ rt2
+ rt3
+ rt4
+ rt6
+
+P-space (rt6):
+ rt1
+ rt2
+ rt3
+ rt4
+ rt6
+
+Q-space:
+ rt1
+ rt2
+ rt3
+ rt4
+ rt6
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt5
+10.0.255.5/32 IP internal 0 rt5(4)
+rt4 TE-IS 10 rt4 - rt5(4)
+rt6 TE-IS 10 rt6 - rt5(4)
+rt2 TE-IS 20 rt4 - rt4(4)
+10.0.255.4/32 IP TE 20 rt4 - rt4(4)
+10.0.255.6/32 IP TE 20 rt6 - rt6(4)
+rt1 TE-IS 30 rt4 - rt2(4)
+rt3 TE-IS 30 rt4 - rt2(4)
+10.0.255.2/32 IP TE 30 rt4 - rt2(4)
+10.0.255.1/32 IP TE 40 rt4 - rt1(4)
+10.0.255.3/32 IP TE 40 rt4 - rt3(4)
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt5
+10.0.255.5/32 IP internal 0 rt5(4)
+rt4 TE-IS 10 rt4 - rt5(4)
+rt6 TE-IS 10 rt6 - rt5(4)
+rt2 TE-IS 20 rt4 - rt4(4)
+10.0.255.4/32 IP TE 20 rt4 - rt4(4)
+10.0.255.6/32 IP TE 20 rt6 - rt6(4)
+rt3 TE-IS 30 rt3 - rt5(4)
+ rt4 - rt2(4)
+rt1 TE-IS 30 rt4 - rt2(4)
+10.0.255.2/32 IP TE 30 rt4 - rt2(4)
+10.0.255.3/32 IP TE 40 rt3 - rt3(4)
+ rt4 -
+10.0.255.1/32 IP TE 40 rt4 - rt1(4)
+
+Main:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ----------------------------------------------------------
+ 10.0.255.1/32 40 - rt4 16010
+ 10.0.255.2/32 30 - rt4 16020
+ 10.0.255.3/32 40 - rt3 implicit-null
+ - rt4 implicit-null
+ 10.0.255.4/32 20 - rt4 implicit-null
+ 10.0.255.5/32 0 - - -
+ 10.0.255.6/32 20 - rt6 implicit-null
+
+Backup:
+IS-IS L1 IPv4 routing table:
+
+test# test isis topology 5 root rt1 remote-lfa system-id rt2 ipv4-only
+P-space (self):
+ rt3
+ rt5
+ rt7
+
+P-space (rt3):
+ rt3
+ rt5
+ rt7
+ rt8
+
+Q-space:
+ rt2
+ rt4
+ rt6
+ rt8
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt1
+10.0.255.1/32 IP internal 0 rt1(4)
+rt3 TE-IS 10 rt3 - rt1(4)
+rt5 TE-IS 20 rt3 - rt3(4)
+10.0.255.3/32 IP TE 20 rt3 - rt3(4)
+rt7 TE-IS 30 rt3 - rt5(4)
+10.0.255.5/32 IP TE 30 rt3 - rt5(4)
+rt8 TE-IS 40 rt3 - rt7(4)
+10.0.255.7/32 IP TE 40 rt3 - rt7(4)
+rt6 TE-IS 50 rt3 - rt8(4)
+10.0.255.8/32 IP TE 50 rt3 - rt8(4)
+rt4 TE-IS 60 rt3 - rt6(4)
+10.0.255.6/32 IP TE 60 rt3 - rt6(4)
+rt2 TE-IS 70 rt3 - rt4(4)
+10.0.255.4/32 IP TE 70 rt3 - rt4(4)
+10.0.255.2/32 IP TE 80 rt3 - rt2(4)
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt1
+10.0.255.1/32 IP internal 0 rt1(4)
+rt2 TE-IS 10 rt2 - rt1(4)
+rt3 TE-IS 10 rt3 - rt1(4)
+rt4 TE-IS 20 rt2 - rt2(4)
+rt5 TE-IS 20 rt3 - rt3(4)
+10.0.255.2/32 IP TE 20 rt2 - rt2(4)
+10.0.255.3/32 IP TE 20 rt3 - rt3(4)
+rt6 TE-IS 30 rt2 - rt4(4)
+rt7 TE-IS 30 rt3 - rt5(4)
+10.0.255.4/32 IP TE 30 rt2 - rt4(4)
+10.0.255.5/32 IP TE 30 rt3 - rt5(4)
+rt8 TE-IS 40 rt2 - rt6(4)
+ rt3 - rt7(4)
+10.0.255.6/32 IP TE 40 rt2 - rt6(4)
+10.0.255.7/32 IP TE 40 rt3 - rt7(4)
+10.0.255.8/32 IP TE 50 rt2 - rt8(4)
+ rt3 -
+
+Main:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ----------------------------------------------------------
+ 10.0.255.1/32 0 - - -
+ 10.0.255.2/32 20 - rt2 implicit-null
+ 10.0.255.3/32 20 - rt3 implicit-null
+ 10.0.255.4/32 30 - rt2 16040
+ 10.0.255.5/32 30 - rt3 16050
+ 10.0.255.6/32 40 - rt2 16060
+ 10.0.255.7/32 40 - rt3 16070
+ 10.0.255.8/32 50 - rt2 16080
+ - rt3 16080
+
+Backup:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ --------------------------------------------------------
+ 10.0.255.2/32 80 - rt3 50800/16020
+ 10.0.255.4/32 70 - rt3 50800/16040
+ 10.0.255.6/32 60 - rt3 50800/16060
+
+test# test isis topology 6 root rt4 remote-lfa system-id rt3 ipv4-only
+P-space (self):
+ rt2
+ rt5
+ rt6
+ rt7
+ rt8
+
+P-space (rt2):
+ rt1
+ rt2
+
+P-space (rt6):
+ rt5
+ rt6
+ rt7
+ rt8
+
+Q-space:
+ rt1
+ rt3
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt4
+10.0.255.4/32 IP internal 0 rt4(4)
+rt2 TE-IS 10 rt2 - rt4(4)
+rt6 TE-IS 10 rt6 - rt4(4)
+rt1 TE-IS 20 rt2 - rt2(4)
+rt5 TE-IS 20 rt6 - rt6(4)
+rt8 TE-IS 20 rt6 - rt6(4)
+10.0.255.2/32 IP TE 20 rt2 - rt2(4)
+10.0.255.6/32 IP TE 20 rt6 - rt6(4)
+rt3 TE-IS 30 rt2 - rt1(4)
+rt7 TE-IS 30 rt6 - rt5(4)
+ rt8(4)
+10.0.255.1/32 IP TE 30 rt2 - rt1(4)
+10.0.255.5/32 IP TE 30 rt6 - rt5(4)
+10.0.255.8/32 IP TE 30 rt6 - rt8(4)
+10.0.255.3/32 IP TE 40 rt2 - rt3(4)
+10.0.255.7/32 IP TE 40 rt6 - rt7(4)
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt4
+10.0.255.4/32 IP internal 0 rt4(4)
+rt2 TE-IS 10 rt2 - rt4(4)
+rt3 TE-IS 10 rt3 - rt4(4)
+rt6 TE-IS 10 rt6 - rt4(4)
+rt1 TE-IS 20 rt2 - rt2(4)
+ rt3 - rt3(4)
+rt5 TE-IS 20 rt6 - rt6(4)
+rt8 TE-IS 20 rt6 - rt6(4)
+10.0.255.2/32 IP TE 20 rt2 - rt2(4)
+10.0.255.3/32 IP TE 20 rt3 - rt3(4)
+10.0.255.6/32 IP TE 20 rt6 - rt6(4)
+rt7 TE-IS 30 rt6 - rt5(4)
+ rt8(4)
+10.0.255.1/32 IP TE 30 rt2 - rt1(4)
+ rt3 -
+10.0.255.5/32 IP TE 30 rt6 - rt5(4)
+10.0.255.8/32 IP TE 30 rt6 - rt8(4)
+10.0.255.7/32 IP TE 40 rt6 - rt7(4)
+
+Main:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ----------------------------------------------------------
+ 10.0.255.1/32 30 - rt2 16010
+ - rt3 16010
+ 10.0.255.2/32 20 - rt2 implicit-null
+ 10.0.255.3/32 20 - rt3 implicit-null
+ 10.0.255.4/32 0 - - -
+ 10.0.255.5/32 30 - rt6 16050
+ 10.0.255.6/32 20 - rt6 implicit-null
+ 10.0.255.7/32 40 - rt6 16070
+ 10.0.255.8/32 30 - rt6 16080
+
+Backup:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ --------------------------------------------------------
+ 10.0.255.3/32 40 - rt2 50100/16030
+
+test# test isis topology 7 root rt11 remote-lfa system-id rt8 ipv4-only
+P-space (self):
+ rt10
+ rt12
+
+P-space (rt10):
+ rt1
+ rt4
+ rt7
+ rt10
+
+P-space (rt12):
+ rt9
+ rt12
+
+Q-space:
+ rt1
+ rt2
+ rt3
+ rt4
+ rt5
+ rt6
+ rt7
+ rt8
+ rt9
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt11
+10.0.255.11/32 IP internal 0 rt11(4)
+rt10 TE-IS 10 rt10 - rt11(4)
+rt12 TE-IS 10 rt12 - rt11(4)
+rt9 TE-IS 20 rt12 - rt12(4)
+10.0.255.10/32 IP TE 20 rt10 - rt10(4)
+10.0.255.12/32 IP TE 20 rt12 - rt12(4)
+rt7 TE-IS 30 rt10 - rt10(4)
+rt8 TE-IS 30 rt12 - rt9(4)
+10.0.255.9/32 IP TE 30 rt12 - rt9(4)
+rt4 TE-IS 40 rt10 - rt7(4)
+rt5 TE-IS 40 rt12 - rt8(4)
+10.0.255.7/32 IP TE 40 rt10 - rt7(4)
+10.0.255.8/32 IP TE 40 rt12 - rt8(4)
+rt6 TE-IS 50 rt12 - rt9(4)
+ rt5(4)
+rt1 TE-IS 50 rt10 - rt4(4)
+rt2 TE-IS 50 rt12 - rt5(4)
+10.0.255.4/32 IP TE 50 rt10 - rt4(4)
+10.0.255.5/32 IP TE 50 rt12 - rt5(4)
+rt3 TE-IS 60 rt12 - rt6(4)
+ rt2(4)
+10.0.255.6/32 IP TE 60 rt12 - rt6(4)
+10.0.255.1/32 IP TE 60 rt10 - rt1(4)
+10.0.255.2/32 IP TE 60 rt12 - rt2(4)
+10.0.255.3/32 IP TE 70 rt12 - rt3(4)
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt11
+10.0.255.11/32 IP internal 0 rt11(4)
+rt8 TE-IS 10 rt8 - rt11(4)
+rt10 TE-IS 10 rt10 - rt11(4)
+rt12 TE-IS 10 rt12 - rt11(4)
+rt5 TE-IS 20 rt8 - rt8(4)
+rt7 TE-IS 20 rt8 - rt8(4)
+rt9 TE-IS 20 rt8 - rt8(4)
+ rt12 - rt12(4)
+10.0.255.8/32 IP TE 20 rt8 - rt8(4)
+10.0.255.10/32 IP TE 20 rt10 - rt10(4)
+10.0.255.12/32 IP TE 20 rt12 - rt12(4)
+rt2 TE-IS 30 rt8 - rt5(4)
+rt4 TE-IS 30 rt8 - rt5(4)
+ rt7(4)
+rt6 TE-IS 30 rt8 - rt5(4)
+10.0.255.5/32 IP TE 30 rt8 - rt5(4)
+10.0.255.7/32 IP TE 30 rt8 - rt7(4)
+10.0.255.9/32 IP TE 30 rt8 - rt9(4)
+ rt12 -
+rt3 TE-IS 40 rt8 - rt2(4)
+ rt6(4)
+rt1 TE-IS 40 rt8 - rt4(4)
+10.0.255.2/32 IP TE 40 rt8 - rt2(4)
+10.0.255.4/32 IP TE 40 rt8 - rt4(4)
+10.0.255.6/32 IP TE 40 rt8 - rt6(4)
+10.0.255.3/32 IP TE 50 rt8 - rt3(4)
+10.0.255.1/32 IP TE 50 rt8 - rt1(4)
+
+Main:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ -----------------------------------------------------------
+ 10.0.255.1/32 50 - rt8 16010
+ 10.0.255.2/32 40 - rt8 16020
+ 10.0.255.3/32 50 - rt8 16030
+ 10.0.255.4/32 40 - rt8 16040
+ 10.0.255.5/32 30 - rt8 16050
+ 10.0.255.6/32 40 - rt8 16060
+ 10.0.255.7/32 30 - rt8 16070
+ 10.0.255.8/32 20 - rt8 implicit-null
+ 10.0.255.9/32 30 - rt8 16090
+ - rt12 16090
+ 10.0.255.10/32 20 - rt10 implicit-null
+ 10.0.255.11/32 0 - - -
+ 10.0.255.12/32 20 - rt12 implicit-null
+
+Backup:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ --------------------------------------------------------
+ 10.0.255.1/32 50 - rt10 16010
+ 10.0.255.2/32 60 - rt12 50900/16020
+ 10.0.255.3/32 70 - rt12 50900/16030
+ 10.0.255.4/32 40 - rt10 16040
+ 10.0.255.5/32 50 - rt12 50900/16050
+ 10.0.255.6/32 60 - rt12 50900/16060
+ 10.0.255.7/32 30 - rt10 16070
+ 10.0.255.8/32 40 - rt12 50900/16080
+
+test# test isis topology 7 root rt6 remote-lfa system-id rt5 ipv4-only
+P-space (self):
+ rt3
+
+P-space (rt3):
+ rt2
+ rt3
+
+P-space (rt9):
+ rt1
+ rt2
+ rt4
+ rt5
+ rt7
+ rt8
+ rt9
+ rt10
+ rt11
+ rt12
+
+Q-space:
+ rt1
+ rt2
+ rt4
+ rt5
+ rt7
+ rt8
+ rt9
+ rt10
+ rt11
+ rt12
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt6
+10.0.255.6/32 IP internal 0 rt6(4)
+rt3 TE-IS 10 rt3 - rt6(4)
+rt2 TE-IS 20 rt3 - rt3(4)
+10.0.255.3/32 IP TE 20 rt3 - rt3(4)
+rt9 TE-IS 30 rt9 - rt6(4)
+rt5 TE-IS 30 rt3 - rt2(4)
+10.0.255.2/32 IP TE 30 rt3 - rt2(4)
+rt8 TE-IS 40 rt9 - rt9(4)
+ rt3 - rt5(4)
+rt12 TE-IS 40 rt9 - rt9(4)
+rt4 TE-IS 40 rt3 - rt5(4)
+10.0.255.9/32 IP TE 40 rt9 - rt9(4)
+10.0.255.5/32 IP TE 40 rt3 - rt5(4)
+rt7 TE-IS 50 rt9 - rt8(4)
+ rt3 - rt4(4)
+rt11 TE-IS 50 rt9 - rt8(4)
+ rt3 - rt12(4)
+rt1 TE-IS 50 rt3 - rt4(4)
+10.0.255.8/32 IP TE 50 rt9 - rt8(4)
+ rt3 -
+10.0.255.12/32 IP TE 50 rt9 - rt12(4)
+10.0.255.4/32 IP TE 50 rt3 - rt4(4)
+rt10 TE-IS 60 rt9 - rt11(4)
+ rt3 -
+10.0.255.7/32 IP TE 60 rt9 - rt7(4)
+ rt3 -
+10.0.255.11/32 IP TE 60 rt9 - rt11(4)
+ rt3 -
+10.0.255.1/32 IP TE 60 rt3 - rt1(4)
+10.0.255.10/32 IP TE 70 rt9 - rt10(4)
+ rt3 -
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt6
+10.0.255.6/32 IP internal 0 rt6(4)
+rt3 TE-IS 10 rt3 - rt6(4)
+rt5 TE-IS 10 rt5 - rt6(4)
+rt2 TE-IS 20 rt3 - rt3(4)
+ rt5 - rt5(4)
+rt4 TE-IS 20 rt5 - rt5(4)
+rt8 TE-IS 20 rt5 - rt5(4)
+10.0.255.3/32 IP TE 20 rt3 - rt3(4)
+10.0.255.5/32 IP TE 20 rt5 - rt5(4)
+rt9 TE-IS 30 rt9 - rt6(4)
+ rt5 - rt8(4)
+rt1 TE-IS 30 rt5 - rt4(4)
+rt7 TE-IS 30 rt5 - rt4(4)
+ rt8(4)
+rt11 TE-IS 30 rt5 - rt8(4)
+10.0.255.2/32 IP TE 30 rt3 - rt2(4)
+ rt5 -
+10.0.255.4/32 IP TE 30 rt5 - rt4(4)
+10.0.255.8/32 IP TE 30 rt5 - rt8(4)
+rt12 TE-IS 40 rt9 - rt9(4)
+ rt5 - rt11(4)
+rt10 TE-IS 40 rt5 - rt11(4)
+10.0.255.9/32 IP TE 40 rt9 - rt9(4)
+ rt5 -
+10.0.255.1/32 IP TE 40 rt5 - rt1(4)
+10.0.255.7/32 IP TE 40 rt5 - rt7(4)
+10.0.255.11/32 IP TE 40 rt5 - rt11(4)
+10.0.255.12/32 IP TE 50 rt9 - rt12(4)
+ rt5 -
+10.0.255.10/32 IP TE 50 rt5 - rt10(4)
+
+Main:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ -----------------------------------------------------------
+ 10.0.255.1/32 40 - rt5 16010
+ 10.0.255.2/32 30 - rt3 16020
+ - rt5 16020
+ 10.0.255.3/32 20 - rt3 implicit-null
+ 10.0.255.4/32 30 - rt5 16040
+ 10.0.255.5/32 20 - rt5 implicit-null
+ 10.0.255.6/32 0 - - -
+ 10.0.255.7/32 40 - rt5 16070
+ 10.0.255.8/32 30 - rt5 16080
+ 10.0.255.9/32 40 - rt9 implicit-null
+ - rt5 implicit-null
+ 10.0.255.10/32 50 - rt5 16100
+ 10.0.255.11/32 40 - rt5 16110
+ 10.0.255.12/32 50 - rt9 16120
+ - rt5 16120
+
+Backup:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ------------------------------------------------------
+ 10.0.255.1/32 70 - rt9 16010
+ 10.0.255.4/32 60 - rt9 16040
+ 10.0.255.5/32 50 - rt9 16050
+ 10.0.255.7/32 50 - rt9 16070
+ 10.0.255.8/32 40 - rt9 16080
+ 10.0.255.10/32 60 - rt9 16100
+ 10.0.255.11/32 50 - rt9 16110
+
+test# test isis topology 8 root rt2 remote-lfa system-id rt5 ipv4-only
+P-space (self):
+ rt1
+ rt3
+ rt4
+ rt7
+ rt10
+
+P-space (rt1):
+ rt1
+ rt4
+ rt7
+ rt10
+
+P-space (rt3):
+ rt3
+ rt6
+
+Q-space:
+ rt5
+ rt6
+ rt8
+ rt9
+ rt11
+ rt12
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt2
+10.0.255.2/32 IP internal 0 rt2(4)
+rt1 TE-IS 10 rt1 - rt2(4)
+rt3 TE-IS 10 rt3 - rt2(4)
+rt4 TE-IS 20 rt1 - rt1(4)
+rt6 TE-IS 20 rt3 - rt3(4)
+10.0.255.1/32 IP TE 20 rt1 - rt1(4)
+10.0.255.3/32 IP TE 20 rt3 - rt3(4)
+rt7 TE-IS 30 rt1 - rt4(4)
+rt5 TE-IS 30 rt3 - rt6(4)
+10.0.255.4/32 IP TE 30 rt1 - rt4(4)
+10.0.255.6/32 IP TE 30 rt3 - rt6(4)
+rt10 TE-IS 40 rt1 - rt7(4)
+rt8 TE-IS 40 rt3 - rt5(4)
+10.0.255.7/32 IP TE 40 rt1 - rt7(4)
+10.0.255.5/32 IP TE 40 rt3 - rt5(4)
+rt9 TE-IS 50 rt3 - rt8(4)
+rt11 TE-IS 50 rt3 - rt8(4)
+10.0.255.10/32 IP TE 50 rt1 - rt10(4)
+10.0.255.8/32 IP TE 50 rt3 - rt8(4)
+rt12 TE-IS 60 rt3 - rt9(4)
+ rt11(4)
+10.0.255.9/32 IP TE 60 rt3 - rt9(4)
+10.0.255.11/32 IP TE 60 rt3 - rt11(4)
+10.0.255.12/32 IP TE 70 rt3 - rt12(4)
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt2
+10.0.255.2/32 IP internal 0 rt2(4)
+rt1 TE-IS 10 rt1 - rt2(4)
+rt3 TE-IS 10 rt3 - rt2(4)
+rt5 TE-IS 10 rt5 - rt2(4)
+rt4 TE-IS 20 rt1 - rt1(4)
+rt6 TE-IS 20 rt3 - rt3(4)
+ rt5 - rt5(4)
+rt8 TE-IS 20 rt5 - rt5(4)
+10.0.255.1/32 IP TE 20 rt1 - rt1(4)
+10.0.255.3/32 IP TE 20 rt3 - rt3(4)
+10.0.255.5/32 IP TE 20 rt5 - rt5(4)
+rt7 TE-IS 30 rt1 - rt4(4)
+rt9 TE-IS 30 rt5 - rt8(4)
+rt11 TE-IS 30 rt5 - rt8(4)
+10.0.255.4/32 IP TE 30 rt1 - rt4(4)
+10.0.255.6/32 IP TE 30 rt3 - rt6(4)
+ rt5 -
+10.0.255.8/32 IP TE 30 rt5 - rt8(4)
+rt10 TE-IS 40 rt1 - rt7(4)
+rt12 TE-IS 40 rt5 - rt9(4)
+ rt11(4)
+10.0.255.7/32 IP TE 40 rt1 - rt7(4)
+10.0.255.9/32 IP TE 40 rt5 - rt9(4)
+10.0.255.11/32 IP TE 40 rt5 - rt11(4)
+10.0.255.10/32 IP TE 50 rt1 - rt10(4)
+10.0.255.12/32 IP TE 50 rt5 - rt12(4)
+
+Main:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ -----------------------------------------------------------
+ 10.0.255.1/32 20 - rt1 implicit-null
+ 10.0.255.2/32 0 - - -
+ 10.0.255.3/32 20 - rt3 implicit-null
+ 10.0.255.4/32 30 - rt1 16040
+ 10.0.255.5/32 20 - rt5 implicit-null
+ 10.0.255.6/32 30 - rt3 16060
+ - rt5 16060
+ 10.0.255.7/32 40 - rt1 16070
+ 10.0.255.8/32 30 - rt5 16080
+ 10.0.255.9/32 40 - rt5 16090
+ 10.0.255.10/32 50 - rt1 16100
+ 10.0.255.11/32 40 - rt5 16110
+ 10.0.255.12/32 50 - rt5 16120
+
+Backup:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ---------------------------------------------------------
+ 10.0.255.5/32 40 - rt3 50600/16050
+ 10.0.255.8/32 50 - rt3 50600/16080
+ 10.0.255.9/32 60 - rt3 50600/16090
+ 10.0.255.11/32 60 - rt3 50600/16110
+ 10.0.255.12/32 70 - rt3 50600/16120
+
+test# test isis topology 11 root rt2 remote-lfa system-id rt4
+P-space (self):
+
+P-space (rt1):
+ rt1
+ rt3
+ rt5
+
+P-space (rt3):
+ rt1
+ rt3
+ rt5
+ rt6
+
+Q-space:
+ rt1
+ rt3
+ rt4
+ rt5
+ rt6
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt2
+10.0.255.2/32 IP internal 0 rt2(4)
+rt1 TE-IS 50 rt1 - rt2(4)
+rt3 TE-IS 50 rt3 - rt2(4)
+rt2
+rt5 TE-IS 60 rt3 - rt3(4)
+10.0.255.1/32 IP TE 60 rt1 - rt1(4)
+10.0.255.3/32 IP TE 60 rt3 - rt3(4)
+rt4 TE-IS 70 rt3 - rt5(4)
+rt6 TE-IS 70 rt3 - rt5(4)
+10.0.255.5/32 IP TE 70 rt3 - rt5(4)
+10.0.255.4/32 IP TE 80 rt3 - rt4(4)
+10.0.255.6/32 IP TE 80 rt3 - rt6(4)
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt2
+10.0.255.2/32 IP internal 0 rt2(4)
+rt4 TE-IS 10 rt4 - rt2(4)
+rt5 TE-IS 20 rt4 - rt4(4)
+rt6 TE-IS 20 rt4 - rt4(4)
+10.0.255.4/32 IP TE 20 rt4 - rt4(4)
+rt3 TE-IS 30 rt4 - rt5(4)
+10.0.255.5/32 IP TE 30 rt4 - rt5(4)
+10.0.255.6/32 IP TE 30 rt4 - rt6(4)
+rt2
+rt1 TE-IS 40 rt4 - rt2(2)
+10.0.255.3/32 IP TE 40 rt4 - rt3(4)
+10.0.255.1/32 IP TE 50 rt4 - rt1(4)
+
+Main:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ----------------------------------------------------------
+ 10.0.255.1/32 50 - rt4 16010
+ 10.0.255.2/32 0 - - -
+ 10.0.255.3/32 40 - rt4 16030
+ 10.0.255.4/32 20 - rt4 implicit-null
+ 10.0.255.5/32 30 - rt4 16050
+ 10.0.255.6/32 30 - rt4 16060
+
+Backup:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ----------------------------------------------------------
+ 10.0.255.1/32 50 - rt1 implicit-null
+ - rt3 16010
+ 10.0.255.3/32 50 - rt1 16030
+ - rt3 implicit-null
+ 10.0.255.4/32 80 - rt3 50500/16040
+ 10.0.255.5/32 60 - rt1 16050
+ - rt3 16050
+ 10.0.255.6/32 70 - rt3 16060
+
+P-space (self):
+
+P-space (rt1):
+ rt1
+ rt3
+ rt5
+
+P-space (rt3):
+ rt1
+ rt3
+ rt5
+ rt6
+
+Q-space:
+ rt1
+ rt3
+ rt4
+ rt5
+ rt6
+
+IS-IS paths to level-1 routers that speak IPv6
+Vertex Type Metric Next-Hop Interface Parent
+rt2
+2001:db8::2/128 IP6 internal 0 rt2(4)
+rt1 TE-IS 50 rt1 - rt2(4)
+rt3 TE-IS 50 rt3 - rt2(4)
+rt2
+rt5 TE-IS 60 rt3 - rt3(4)
+2001:db8::1/128 IP6 internal 60 rt1 - rt1(4)
+2001:db8::3/128 IP6 internal 60 rt3 - rt3(4)
+rt4 TE-IS 70 rt3 - rt5(4)
+rt6 TE-IS 70 rt3 - rt5(4)
+2001:db8::5/128 IP6 internal 70 rt3 - rt5(4)
+2001:db8::4/128 IP6 internal 80 rt3 - rt4(4)
+2001:db8::6/128 IP6 internal 80 rt3 - rt6(4)
+
+IS-IS paths to level-1 routers that speak IPv6
+Vertex Type Metric Next-Hop Interface Parent
+rt2
+2001:db8::2/128 IP6 internal 0 rt2(4)
+rt4 TE-IS 10 rt4 - rt2(4)
+rt5 TE-IS 20 rt4 - rt4(4)
+rt6 TE-IS 20 rt4 - rt4(4)
+2001:db8::4/128 IP6 internal 20 rt4 - rt4(4)
+rt3 TE-IS 30 rt4 - rt5(4)
+2001:db8::5/128 IP6 internal 30 rt4 - rt5(4)
+2001:db8::6/128 IP6 internal 30 rt4 - rt6(4)
+rt2
+rt1 TE-IS 40 rt4 - rt2(2)
+2001:db8::3/128 IP6 internal 40 rt4 - rt3(4)
+2001:db8::1/128 IP6 internal 50 rt4 - rt1(4)
+
+Main:
+IS-IS L1 IPv6 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ------------------------------------------------------------
+ 2001:db8::1/128 50 - rt4 16011
+ 2001:db8::2/128 0 - - -
+ 2001:db8::3/128 40 - rt4 16031
+ 2001:db8::4/128 20 - rt4 implicit-null
+ 2001:db8::5/128 30 - rt4 16051
+ 2001:db8::6/128 30 - rt4 16061
+
+Backup:
+IS-IS L1 IPv6 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ------------------------------------------------------------
+ 2001:db8::1/128 50 - rt1 implicit-null
+ - rt3 16011
+ 2001:db8::3/128 50 - rt1 16031
+ - rt3 implicit-null
+ 2001:db8::4/128 80 - rt3 50500/16041
+ 2001:db8::5/128 60 - rt1 16051
+ - rt3 16051
+ 2001:db8::6/128 70 - rt3 16061
+
+test# test isis topology 13 root rt1 remote-lfa system-id rt3 ipv4-only
+P-space (self):
+ rt2
+
+P-space (rt2):
+ rt2
+ rt4
+
+Q-space:
+ rt3
+ rt4
+ rt5
+ rt6
+ rt7
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt1
+10.0.255.1/32 IP internal 0 rt1(4)
+rt2 TE-IS 10 rt2 - rt1(4)
+rt4 TE-IS 20 rt2 - rt2(4)
+10.0.255.2/32 IP TE 20 rt2 - rt2(4)
+rt3 TE-IS 30 rt2 - rt4(4)
+10.0.255.4/32 IP TE 30 rt2 - rt4(4)
+rt5 TE-IS 40 rt2 - rt3(4)
+rt6 TE-IS 40 rt2 - rt3(4)
+10.0.255.3/32 IP TE 40 rt2 - rt3(4)
+rt7 TE-IS 50 rt2 - rt5(4)
+ rt6(4)
+10.0.255.5/32 IP TE 50 rt2 - rt5(4)
+10.0.255.6/32 IP TE 50 rt2 - rt6(4)
+10.0.255.7/32 IP TE 60 rt2 - rt7(4)
+
+IS-IS paths to level-1 routers that speak IP
+Vertex Type Metric Next-Hop Interface Parent
+rt1
+10.0.255.1/32 IP internal 0 rt1(4)
+rt2 TE-IS 10 rt2 - rt1(4)
+rt3 TE-IS 10 rt3 - rt1(4)
+rt4 TE-IS 20 rt2 - rt2(4)
+ rt3 - rt3(4)
+rt5 TE-IS 20 rt3 - rt3(4)
+rt6 TE-IS 20 rt3 - rt3(4)
+10.0.255.2/32 IP TE 20 rt2 - rt2(4)
+10.0.255.3/32 IP TE 20 rt3 - rt3(4)
+rt7 TE-IS 30 rt3 - rt5(4)
+ rt6(4)
+10.0.255.4/32 IP TE 30 rt2 - rt4(4)
+ rt3 -
+10.0.255.5/32 IP TE 30 rt3 - rt5(4)
+10.0.255.6/32 IP TE 30 rt3 - rt6(4)
+10.0.255.7/32 IP TE 40 rt3 - rt7(4)
+
+Main:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ ----------------------------------------------------------
+ 10.0.255.1/32 0 - - -
+ 10.0.255.2/32 20 - rt2 implicit-null
+ 10.0.255.3/32 20 - rt3 implicit-null
+ 10.0.255.4/32 30 - rt2 16040
+ - rt3 16040
+ 10.0.255.5/32 30 - rt3 16050
+ 10.0.255.6/32 30 - rt3 16060
+ 10.0.255.7/32 40 - rt3 16070
+
+Backup:
+IS-IS L1 IPv4 routing table:
+
+ Prefix Metric Interface Nexthop Label(s)
+ --------------------------------------------------------
+ 10.0.255.3/32 40 - rt2 50400/16030
+ 10.0.255.5/32 50 - rt2 50400/16050
+ 10.0.255.6/32 50 - rt2 50400/16060
+ 10.0.255.7/32 60 - rt2 50400/16070
+
+test#
test# test isis topology 1 root rt1 ti-lfa system-id rt2
P-space (self):
rt3
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-10 15:28:22 +0000