OcNOS-SP : Segment Routing Guide : Segment Routing Configuration Guide : Topology-Independent Loop-Free Alternate : Topology
Topology
 
Figure 10-10: TI-LFA FRR path using a PQ Node
Note: It should be ensured that prefix SIDs are unique globally.
Note: By default, the CSPF retry limit is 10 times and the CSPF retry interval is 10 seconds. If a policy does not come up within 100 seconds, it will require operator intervention.
TI-LFA FRR Path using a PQ node with OSPF-SR
PE1
 
PE1#configure terminal
Enter configure mode.
PE1(config)#interface lo
Enter interface mode.
PE1(config-if)#ip address 1.1.1.1/32 secondary
Configure the IP address of the interface.
PE1(config-if)#prefix-sid index 1
Configure prefix SID index value.
PE1(config-if)#exit
Exit interface mode.
PE1(config)#interface eth1
Enter interface mode.
PE1(config-if)#ip address 10.1.2.1/32
secondary
Configure the IP address of the interface.
PE1(config-if)#label-switching
Enable label switching.
PE1(config-if)#exit
Exit interface mode
PE1(config)#router ospf 100
Set the routing process ID .
PE1(config-router)#ospf router-id 1.1.1.1
Configuring OSPF router-id
PE1(config-router)#network 1.1.1.1/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
PE1(config-router)#network 10.1.2.0/24 area 0.0.0.0
secondary
Configure OSPF network in area 0
PE1(config-router)#segment-routing mpls
Enable segment routing under router OSPF process.
PE1(config-router)#exit
Exit router mode.
PE1(config)#exit
Exit configure mode
PE1(config)#commit
Commit the candidate configuration to the running configuration.
P1
 
P1#configure terminal
Enter configure mode.
P1(config)#interface lo
Enter interface mode.
P1(config-if)#ip address 1.1.1.2/32 secondary
Configure the IP address of the interface.
P1(config-if)#prefix-sid index 2
Configure prefix SID index value.
P1(config-if)#exit
Exit interface mode.
P1(config)#interface eth1
Enter interface mode.
P1(config-if)#ip address 10.1.2.2/32
secondary
Configure the IP address of the interface.
P1(config-if)#label-switching
Enable label switching.
P1(config-if)#exit
Exit interface mode.
P1(config)#interface eth2
Enter interface mode.
P1(config-if)#ip address 10.2.3.1/32
secondary
Configure the IP address of the interface.
P1(config-if)#label-switching
Enable label switching.
P1(config-if)#exit
Exit interface mode.
P1(config)#interface eth3
Enter interface mode.
P1(config-if)#ip address 10.2.6.1/32
secondary
Configure the IP address of the interface.
P1(config-if)#label-switching
Enable label switching.
P1(config-if)#exit
Exit interface mode.
P1(config)#router ospf 100
Set the routing process ID .
P1(config-router)#ospf router-id 1.1.1.2/32
secondary
Configure OSPF router-id
P1(config-router)#network 1.1.1.2/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
P1(config-router)#network 10.1.2.0/24 area 0.0.0.0
secondary
Configure OSPF network in area 0
P1(config-router)#network 10.2.3.0/24 area 0.0.0.0
secondary
Configure OSPF network in area 0
P1(config-router)#network 10.2.6.0/24 area 0.0.0.0
secondary
Configure OSPF network in area 0
P1(config-router)#segment-routing mpls
Enable segment routing under router process.
P1(config-router)# fast-reroute per-prefix ti-lfa area 0.0.0.0
Enable per-prefix TI-LFA FRR computation for OSPF area 0
P1(config-router)#exit
Exit router mode.
P1(config)#exit
Exit configure mode
P1(config)#commit
Commit the candidate configuration to the running configuration.
P2
 
P2#configure terminal
Enter configure mode.
P2(config)#interface lo
Enter interface mode.
P2(config-if)#ip address 1.1.1.3/32 secondary
Configure the IP address of the interface.
P2(config-if)#prefix-sid index 3
Configure prefix SID index value.
P2(config-if)#exit
Exit interface mode.
P2(config)#interface eth1
Enter interface mode.
P2(config-if)#ip address 10.3.4.1/32
secondary
Configure the IP address of the interface.
P2(config-if)#label-switching
Enable label switching.
P2(config-if)#exit
Exit interface mode.
P2(config)#interface eth2
Enter interface mode.
P2(config-if)#ip address 10.2.3.2/32
secondary
Configure the IP address of the interface.
P2(config-if)#label-switching
Enable label switching.
P2(config-if)#exit
Exit interface mode.
P2(config)#interface eth3
Enter interface mode.
P2(config-if)#ip address 10.3.7.1/32
secondary
Configure the IP address of the interface.
P2(config-if)#label-switching
Enable label switching.
P2(config-if)#exit
Exit interface mode.
P2(config)#router ospf 100
Set the routing process ID .
P2(config-router)#ospf router-id 1.1.1.3/32
secondary
Configure OSPF router-id
P2(config-router)#network 1.1.1.3/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
P2(config-router)#network 10.3.4.0/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
P2(config-router)#network 10.2.3.0/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
P2(config-router)#network 10.3.7.0/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
P2(config-router)#segment-routing mpls
Enable segment routing under router process.
P2(config-router)#exit
Exit router mode.
P2(config)#exit
Exit configure mode
P2(config)#commit
Commit the candidate configuration to the running configuration.
P3
 
P3#configure terminal
Enter configure mode.
P3(config)#interface lo
Enter interface mode.
P3(config-if)#ip address 1.1.1.4/32 secondary
Configure the IP address of the interface.
P3(config-if)#prefix-sid index 4
Configure prefix SID index value.
P3(config-if)#exit
Exit interface mode.
P3(config)#interface eth1
Enter interface mode.
P3(config-if)#ip address 10.3.4.2/32
secondary
Configure the IP address of the interface.
P3(config-if)#label-switching
Enable label switching.
P3(config-if)#exit
Exit interface mode.
P3(config)#interface eth2
Enter interface mode.
P3(config-if)#ip address 10.4.5.1/32
secondary
Configure the IP address of the interface.
P3(config-if)#label-switching
Enable label switching.
P3(config-if)#exit
Exit interface mode.
P3(config)#router ospf 100
Set the routing process ID .
P3(config-router)#ospf router-id 1.1.1.4/32
secondary
Configure OSPF router-id
P3(config-router)#network 1.1.1.4/32 area 0.0.0.0
Configure OSPF network in area 0
P3(config-router)#network 10.3.4.0/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
P3(config-router)#network 10.4.5.0/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
P3(config-router)#segment-routing mpls
Enable segment routing under router process.
P3(config-router)#exit
Exit router mode.
P3(config)#exit
Exit configure mode
P3(config)#commit
Commit the candidate configuration to the running configuration.
P4
 
P4#configure terminal
Enter configure mode.
P4(config)#interface lo
Enter interface mode.
P4(config-if)#ip address 1.1.1.5/32 secondary
Configure the IP address of the interface.
P4(config-if)#prefix-sid index 5
Configure prefix SID index value.
P4(config-if)#exit
Exit interface mode.
P4(config)#interface eth1
Enter interface mode.
P4(config-if)#ip address 10.5.6.1/32
secondary
Configure the IP address of the interface.
P4(config-if)#label-switching
Enable label switching.
P4(config-if)#exit
Exit interface mode.
P4(config)#interface eth2
Enter interface mode.
P4(config-if)#ip address 10.4.5.2/32
secondary
Configure the IP address of the interface.
P4(config-if)#label-switching
Enable label switching.
P4(config-if)#exit
Exit interface mode.
P4(config)#router ospf 100
Set the routing process ID .
P4(config-router)#ospf router-id 1.1.1.5/32
secondary
Configure OSPF router-id
P4(config-router)#network 1.1.1.5/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
P4(config-router)#network 10.4.5.0/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
P4(config-router)#network 10.5.6.0/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
P4(config-router)#segment-routing mpls
Enable segment routing under router process.
P4(config-router)#exit
Exit router mode.
P4(config)#exit
Exit configure mode
P4(config)#commit
Commit the candidate configuration to the running configuration.
P5
 
P5#configure terminal
Enter configure mode.
P5(config)#interface lo
Enter interface mode.
P5(config-if)#ip address 1.1.1.6/32 secondary
Configure the IP address of the interface.
P5(config-if)#prefix-sid index 6
Configure prefix SID index value.
P5(config-if)#exit
Exit interface mode.
P5(config)#interface eth1
Enter interface mode.
P5(config-if)#ip address 10.5.6.2/32
secondary
Configure the IP address of the interface.
P5(config-if)#label-switching
Enable label switching.
P5(config-if)#exit
Exit interface mode.
P5(config)#interface eth3
Enter interface mode.
P5(config-if)#ip address 10.2.6.2/32
secondary
Configure the IP address of the interface.
P5(config-if)#label-switching
Enable label switching.
P5(config-if)#exit
Exit interface mode.
P5(config)#router ospf 100
Set the routing process ID .
P5(config-router)#ospf router-id 1.1.1.6/32
secondary
Configure OSPF router-id
P5(config-router)#network 1.1.1.6/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
P5(config-router)#network 10.2.6.0/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
P5(config-router)#network 10.5.6.0/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
P5(config-router)#segment-routing mpls
Enable segment routing under router process.
P5(config-router)#exit
Exit router mode.
P5(config)#exit
Exit configure mode
P5(config)#commit
Commit the candidate configuration to the running configuration.
PE2
 
PE2#configure terminal
Enter configure mode.
PE2(config)#interface lo
Enter interface mode.
PE2(config-if)#ip address 1.1.1.7/32 secondary
Configure the IP address of the interface.
PE2(config-if)#prefix-sid index 7
Configure prefix SID index value.
PE2(config-if)#exit
Exit interface mode.
PE2(config)#interface eth3
Enter interface mode.
PE2(config-if)#ip address 10.3.7.2/32
secondary
Configure the IP address of the interface.
PE2(config-if)#label-switching
Enable label switching.
PE2(config-if)#exit
Exit interface mode.
PE2(config)#router ospf 100
Set the routing process ID .
PE2(config-router)#ospf router-id 1.1.1.7/32
secondary
Configuring OSPF router-id
PE2(config-router)#network 1.1.1.7/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
PE2(config-router)#network 10.3.7.0/32 area 0.0.0.0
secondary
Configure OSPF network in area 0
PE2(config-router)#segment-routing mpls
Enable segment routing under router OSPF process.
PE2(config-router)#exit
Exit router mode.
PE2(config)#exit
Exit configure mode
PE2(config)#commit
Commit the candidate configuration to the running configuration.
Validation 1
Verify OSPF adjacencies on P1
P1#show ip ospf neighbor
 
Total number of full neighbors: 3
OSPF process 100 VRF(default):
Neighbor ID Pri State Dead Time Address Interface Instance ID
1.1.1.1 1 Full/DR 00:00:37 10.1.2.1 eth1 0
1.1.1.3 1 Full/Backup 00:00:37 10.2.3.2 eth2 0
1.1.1.6 1 Full/Backup 00:00:32 10.2.6.2 eth3 0
Validation 2
Verify that the 2 PQ nodes in the topology are P4 (1.1.1.5) and P3 (1.1.1.4).
P4 is the PQ node for PE2 (1.1.1.7/32)
P1
P1#show ip ospf tilfa-backup-path
 
OSPF process 100:
Route [1.1.1.1]
NO PQ node
Route [1.1.1.2]
Route [1.1.1.3]
PQ-node: 1.1.1.5
Route [1.1.1.4]
PQ-node: 1.1.1.5
Route [1.1.1.5]
PQ-node: 1.1.1.4
Route [1.1.1.6]
PQ-node: 1.1.1.4
Route [1.1.1.7]
PQ-node: 1.1.1.5
Route [10.1.2.0]
Route [10.2.3.0]
Route [10.2.6.0]
Route [10.3.4.0]
Route [10.3.7.0]
Route [10.4.5.0]
Route [10.5.6.0]
Neighbor [1.1.1.1]
Neighbor [1.1.1.3]
PQ-node: 1.1.1.5
Neighbor [1.1.1.6]
PQ-node: 1.1.1.4
 
Displaying vertex-info in tilfa_network table
Vertex [1.1.1.1]
P node: 1.1.1.4 dist: 2
P node: 1.1.1.5 dist: 2
P node: 1.1.1.7 dist: 2
P node: 1.1.1.3 dist: 1
P node: 1.1.1.6 dist: 1
 
Vertex [1.1.1.2]
No P Nodes
No Q Nodes
 
Vertex [1.1.1.3]
P node: 1.1.1.1 dist: 1
P node: 1.1.1.4 dist: 2
P node: 1.1.1.5 dist: 2
P node: 1.1.1.6 dist: 1
Q node: 1.1.1.4 dist: 2
Q node: 1.1.1.5 dist: 2
Q node: 1.1.1.7 dist: 2
PQ-node: 1.1.1.5
Backup out-interface: eth3
 
Vertex [1.1.1.4]
P node: 1.1.1.1 dist: 1
P node: 1.1.1.4 dist: 2
P node: 1.1.1.5 dist: 2
P node: 1.1.1.6 dist: 1
Q node: 1.1.1.4 dist: 2
Q node: 1.1.1.5 dist: 2
Q node: 1.1.1.7 dist: 2
PQ-node: 1.1.1.5
Backup out-interface: eth3
 
Vertex [1.1.1.5]
P node: 1.1.1.1 dist: 1
P node: 1.1.1.4 dist: 2
P node: 1.1.1.5 dist: 2
P node: 1.1.1.7 dist: 2
P node: 1.1.1.3 dist: 1
Q node: 1.1.1.4 dist: 2
Q node: 1.1.1.5 dist: 2
PQ-node: 1.1.1.4
Backup out-interface: eth2
 
Vertex [1.1.1.6]
P node: 1.1.1.1 dist: 1
P node: 1.1.1.4 dist: 2
P node: 1.1.1.5 dist: 2
P node: 1.1.1.7 dist: 2
P node: 1.1.1.3 dist: 1
Q node: 1.1.1.4 dist: 2
Q node: 1.1.1.5 dist: 2
PQ-node: 1.1.1.4
Backup out-interface: eth2
 
Vertex [1.1.1.7]
P node: 1.1.1.1 dist: 1
P node: 1.1.1.4 dist: 2
P node: 1.1.1.5 dist: 2
P node: 1.1.1.6 dist: 1
Q node: 1.1.1.4 dist: 2
Q node: 1.1.1.5 dist: 2
Q node: 1.1.1.7 dist: 2
PQ-node: 1.1.1.5
Backup out-interface: eth3
 
P1#
P1#show ip ospf tilfa-repair-list
 
1.1.1.1/32
Primary Path Metric :2
Primary Path Nexthop : 10.1.2.1, eth1
Route ftnix:1 ilmix:1
SR Incoming Label : 16001
SR outgoing Label : 3
NO PQ node
 
1.1.1.2/32
1.1.1.3/32
Primary Path Metric :2
Primary Path Nexthop : 10.2.3.2, eth2
Route ftnix:2 ilmix:4
SR Incoming Label : 16003
SR outgoing Label : 3
PQ-node: 1.1.1.5
 
Backup ftnix:8 ilmix:9
Backup outgoing Label : 16003
Bypass_trunk id :101
Backup out interface: eth3
 
1.1.1.4/32
Primary Path Metric :3
Primary Path Nexthop : 10.2.3.2, eth2
Route ftnix:3 ilmix:5
SR Incoming Label : 16004
SR outgoing Label : 16004
PQ-node: 1.1.1.5
 
Backup ftnix:9 ilmix:10
Backup outgoing Label : 16004
Bypass_trunk id :101
Backup out interface: eth3
 
Bypass-Trunk: 102 Name: 1.1.1.4_nexthop__10006 ftn_ix:7
ftn_info->trunk_ftn_ix : 7
Number Of outgoing label 1:
16004
Nexthop address: 10.2.3.2
 
1.1.1.5/32
Primary Path Metric :3
Primary Path Nexthop : 10.2.6.2, eth3
Route ftnix:4 ilmix:6
SR Incoming Label : 16005
SR outgoing Label : 16005
PQ-node: 1.1.1.4
 
Backup ftnix:10 ilmix:11
Backup outgoing Label : 16005
Bypass_trunk id :102
Backup out interface: eth2
 
Bypass-Trunk: 101 Name: 1.1.1.5_nexthop__10007 ftn_ix:6
ftn_info->trunk_ftn_ix : 6
Number Of outgoing label 1:
16005
Nexthop address: 10.2.6.2
 
1.1.1.6/32
Primary Path Metric :2
Primary Path Nexthop : 10.2.6.2, eth3
Route ftnix:5 ilmix:8
SR Incoming Label : 16006
SR outgoing Label : 3
PQ-node: 1.1.1.4
 
Backup ftnix:11 ilmix:12
Backup outgoing Label : 16006
Bypass_trunk id :102
Backup out interface: eth2
 
1.1.1.7/32
Primary Path Metric :3
Primary Path Nexthop : 10.2.3.2, eth2
Route ftnix:12 ilmix:15
SR Incoming Label : 16007
SR outgoing Label : 16007
PQ-node: 1.1.1.5
 
Backup ftnix:14 ilmix:16
Backup outgoing Label : 16007
Bypass_trunk id :101
Backup out interface: eth3
 
10.1.2.0/24
10.2.3.0/24
10.2.6.0/24
10.3.4.0/24
10.3.7.0/24
10.4.5.0/24
10.5.6.0/24
P1#
 
P1#show mpls ilm-table
Codes: > - installed ILM, * - selected ILM, p - stale ILM
K - CLI ILM, T - MPLS-TP, s - Stitched ILM
S - SNMP, L - LDP, R - RSVP, C - CRLDP
B - BGP , K - CLI , V - LDP_VC, I - IGP_SHORTCUT
O - OSPF/OSPF6 SR, i - ISIS SR, k - SR CLI
P - SR Policy, U - unknown
 
Code FEC/VRF/L2CKT ILM-ID In-Label Out-Label In-Intf Out-Intf/VRF Nexthop LSP-Type
O> 1.1.1.4/32 5 16004 16004 N/A eth2 10.2.3.2 LSP_DEFAULT
O> 1.1.1.4/32 18 16004 16004 N/A eth3 10.2.6.2 LSP_DEFAULT
O> 1.1.1.3/32 3 16003 3 N/A eth2 10.2.3.2 LSP_DEFAULT
O> 1.1.1.3/32 17 16003 16003 N/A eth3 10.2.6.2 LSP_DEFAULT
O> 1.1.1.1/32 1 16001 3 N/A eth1 10.1.2.1 LSP_DEFAULT
O> 10.1.2.1/32 2 24320 3 N/A eth1 10.1.2.1 LSP_DEFAULT
O> 1.1.1.6/32 7 16006 3 N/A eth3 10.2.6.2 LSP_DEFAULT
O> 1.1.1.6/32 20 16006 16006 N/A eth2 10.2.3.2 LSP_DEFAULT
O> 1.1.1.5/32 6 16005 16005 N/A eth3 10.2.6.2 LSP_DEFAULT
O> 1.1.1.5/32 19 16005 16005 N/A eth2 10.2.3.2 LSP_DEFAULT
O> 1.1.1.7/32 15 16007 16007 N/A eth2 10.2.3.2 LSP_DEFAULT
O> 1.1.1.7/32 21 16007 16007 N/A eth3 10.2.6.2 LSP_DEFAULT
O> 10.2.3.2/32 4 24321 3 N/A eth2 10.2.3.2 LSP_DEFAULT
O> 10.2.3.2/32 22 24321 16003 N/A eth3 10.2.6.2 LSP_DEFAULT
O> 10.2.6.2/32 8 24322 3 N/A eth3 10.2.6.2 LSP_DEFAULT
O> 10.2.6.2/32 23 24322 16006 N/A eth2 10.2.3.2 LSP_DEFAULT
 
P1#show mpls forwarding-table
Codes: > - installed FTN, * - selected FTN, p - stale FTN,
B - BGP FTN, K - CLI FTN, t - tunnel, P - SR Policy FTN,
L - LDP FTN, R - RSVP-TE FTN, S - SNMP FTN, I - IGP-Shortcut,
U - unknown FTN, O - SR-OSPF FTN, i - SR-ISIS FTN, k - SR-CLI FTN
 
Code FEC FTN-ID Nhlfe-ID Tunnel-id Pri LSP-Type Out-Label Out-Intf ELC Nexthop
O> 1.1.1.1/32 1 2 0 Yes LSP_DEFAULT 3 eth1 No 10.1.2.1
O> 1.1.1.3/32 2 4 0 Yes LSP_DEFAULT 3 eth2 No 10.2.3.2
O> 1.1.1.3/32 8 14 0 No LSP_DEFAULT 16003 - No 10.2.6.2
O> 1.1.1.4/32 3 6 0 Yes LSP_DEFAULT 16004 eth2 No 10.2.3.2
O> 1.1.1.4/32 9 16 0 No LSP_DEFAULT 16004 - No 10.2.6.2
O> 1.1.1.4/32 7 12 102 Yes LSP_DEFAULT 16004 eth2 No 10.2.3.2
O> 1.1.1.5/32 4 8 0 Yes LSP_DEFAULT 16005 eth3 No 10.2.6.2
O> 1.1.1.5/32 10 18 0 No LSP_DEFAULT 16005 - No 10.2.3.2
O> 1.1.1.5/32 6 7 101 Yes LSP_DEFAULT 16005 eth3 No 10.2.6.2
O> 1.1.1.6/32 5 10 0 Yes LSP_DEFAULT 3 eth3 No 10.2.6.2
O> 1.1.1.6/32 11 20 0 No LSP_DEFAULT 16006 - No 10.2.3.2
O> 1.1.1.7/32 12 22 0 Yes LSP_DEFAULT 16007 eth2 No 10.2.3.2
O> 1.1.1.7/32 14 24 0 No LSP_DEFAULT 16007 - No 10.2.6.2
K> 202.1.1.0/24 13 - - - LSP_DEFAULT - eth2 No 1.1.1.7
P1#
TI-LFA FRR Path using a PQ node with ISIS-SR
PE1
 
PE1#configure terminal
Enter configure mode.
PE1(config)#interface lo
Enter interface mode.
PE1(config-if)#ip address 1.1.1.1/32 secondary
Configure the IP address of the interface.
PE1(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
PE1(config-if)#prefix-sid index 1
Configure prefix SID index value.
PE1(config-if)#exit
Exit interface mode.
PE1(config)#interface eth1
Enter interface mode.
PE1(config-if)#ip address 10.1.2.1/32
secondary
Configure the IP address of the interface.
PE1(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
PE1(config-if)#label-switching
Enable label switching.
PE1(config)#router isis 1
Set the routing process ID.
PE1(config-router)#metric-style wide
Configure metric style as wide.
PE1(config-router)#net 49.0000.0000.0000.0001.00
Configure network entity title (NET).
PE1(config-router)#mpls traffic-eng router-id 1.1.1.1
Enable MPLS Traffic Engineering under router process.
PE1(config-router)#mpls traffic-eng level-1
Enable MPLS Traffic Engineering as level-1
PE1(config-router)#mpls traffic-eng level-2
Enable MPLS Traffic Engineering as level-2
PE1(config-router)#segment-routing mpls
Enable segment routing under router ISIS process.
PE1(config-router)#exit
Exit router mode.
PE1(config)#exit
Exit configure mode
P1
 
P1#configure terminal
Enter configure mode.
P1(config)#interface lo
Enter interface mode.
P1(config-if)#ip address 1.1.1.2/32 secondary
Configure the IP address of the interface.
P1(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P1(config-if)#prefix-sid index 2
Configure prefix SID index value.
P1(config-if)#exit
Exit interface mode.
P1(config)#interface eth1
Enter interface mode.
P1(config-if)#ip address 10.1.2.2/32
secondary
Configure the IP address of the interface.
P1(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P1(config-if)#label-switching
Enable label switching.
P1(config-if)#exit
Exit interface mode.
P1(config)#interface eth2
Enter interface mode.
P1(config-if)#ip address 10.2.3.1/32
secondary
Configure the IP address of the interface.
P1(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P1(config-if)#label-switching
Enable label switching.
P1(config-if)#exit
Exit interface mode.
P1(config)#interface eth3
Enter interface mode.
P1(config-if)#ip address 10.2.6.1/32
secondary
Configure the IP address of the interface.
P1(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P1(config-if)#label-switching
Enable label switching.
P1(config-if)#exit
Exit interface mode.
P1(config)#router isis 1
Set the routing process ID .
P1(config-router)#metric-style wide
Configure metric style as wide.
P1(config-router)#net 49.0000.0000.0000.0002.00
Configure Network entity title (NET).
P1(config-router)#mpls traffic-eng router-id 1.1.1.2
Enable MPLS Traffic Engineering under router process.
P1(config-router)#mpls traffic-eng level-1
Enable MPLS Traffic Engineering as level-1.
P1(config-router)#mpls traffic-eng level-2
Enable MPLS Traffic Engineering as level-2.
P1(config-router)#capability cspf
Enable cspf capability under ISIS 1 process.
P1(config-router)#segment-routing mpls
Enable segment routing under router process.
P1(config-router)# fast-reroute ti-lfa level-1 proto ipv4
Enable per-prefix TI-LFA FRR computation for ISIS level-1
P1(config-router)#exit
Exit router mode.
P1(config)#exit
Exit configure mode
P2
 
P2#configure terminal
Enter configure mode.
P2(config)#interface lo
Enter interface mode.
P2(config-if)#ip address 1.1.1.3/32
secondary
Configure the IP address of the interface.
P2(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P2(config-if)#prefix-sid index 3
Configure prefix SID index value.
P2(config-if)#exit
Exit interface mode.
P2(config)#interface eth1
Enter interface mode.
P2(config-if)#ip address 10.3.4.1/32
secondary
Configure the IP address of the interface.
P2(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P2(config-if)#label-switching
Enable label switching.
P2(config-if)#exit
Exit interface mode.
P2(config)#interface eth2
Enter interface mode.
P2(config-if)#ip address 10.2.3.2/32
secondary
Configure the IP address of the interface.
P2(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P2(config-if)#label-switching
Enable label switching.
P2(config-if)#exit
Exit interface mode.
P2(config)#interface eth3
Enter interface mode.
P2(config-if)#ip address 10.3.7.1/32
secondary
Configure the IP address of the interface.
P2(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P2(config-if)#label-switching
Enable label switching.
P2(config-if)#exit
Exit interface mode.
P2(config)#router isis 1
Set the routing process ID .
P2(config-router)#metric-style wide
Configure metric style as wide.
P2(config-router)#net 49.0000.0000.0000.0003.00
Configure Network entity title (NET).
P2(config-router)#mpls traffic-eng router-id 1.1.1.3
Enable MPLS Traffic Engineering under router process.
P2(config-router)#mpls traffic-eng level-1
Enable MPLS Traffic Engineering as level-1.
P2(config-router)#mpls traffic-eng level-2
Enable MPLS Traffic Engineering as level-2
P2(config)#router isis 1
Set the routing process ID .
P2(config-router)#metric-style wide
Configure metric style as wide.
P2(config-router)#net 49.0001.0000.0000.0003.00
Configure Network entity title (NET).
P2(config-router)#segment-routing mpls
Enable segment routing under router process.
P2(config-router)#exit
Exit router mode.
P3
 
P3#configure terminal
Enter configure mode.
P3(config)#interface lo
Enter interface mode.
P3(config-if)#ip address 1.1.1.4/32
secondary
Configure the IP address of the interface.
P3(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P3(config-if)#prefix-sid index 4
Configure prefix SID index value.
P3(config-if)#exit
Exit interface mode.
P3(config)#interface eth1
Enter interface mode.
P3(config-if)#ip address 10.3.4.2/32
secondary
Configure the IP address of the interface.
P3(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P3(config-if)#label-switching
Enable label switching.
P3(config-if)#exit
Exit interface mode.
P3(config)#interface eth2
Enter interface mode.
P3(config-if)ip address 10.4.5.1/32
secondary
Configure the IP address of the interface.
P3(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P3(config-if)#label-switching
Enable label switching.
P3(config-if)#exit
Exit interface mode.
P3(config)#router isis 1
Set the routing process ID .
P3(config-router)#metric-style wide
Configure metric style as wide.
P3(config-router)#net 49.0000.0000.0000.0004.00
Configure Network entity title (NET).
P3(config-router)#mpls traffic-eng router-id 1.1.1.4
Enable MPLS Traffic Engineering under router process.
P3(config-router)#mpls traffic-eng level-1
Enable MPLS Traffic Engineering as level-1.
P3(config-router)#mpls traffic-eng level-2
Enable MPLS Traffic Engineering as level-2.
P3(config-router)#exit
Exit router isis mode
P3(config)#router isis 1
Set the routing process ID .
P3(config-router)#metric-style wide
Configure metric style as wide.
P3(config-router)#net 49.0000.0000.0000.0004.00
Configure Network entity title (NET).
P3(config-router)#segment-routing mpls
Enable segment routing under router process.
P3(config-router)#exit
Exit router mode.
P4
 
P4#configure terminal
Enter configure mode.
P4(config)#interface lo
Enter interface mode.
P4(config-if)#ip address 1.1.1.5/32
Configure the IP address of the interface.
P4(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P4(config-if)#prefix-sid index 5
Configure prefix SID index value.
P4(config-if)#exit
Exit interface mode.
P4(config)#interface eth1
Enter interface mode.
P4(config-if)#ip address 10.5.6.1/32
secondary
Configure the IP address of the interface.
P4(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P4(config-if)#label-switching
Enable label switching.
P4(config-if)#exit
Exit interface mode.
P4(config)#interface eth2
Enter interface mode.
P4(config-if)#ip address 10.4.5.2/32
secondary
Configure the IP address of the interface.
P4(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P4(config-if)#label-switching
Enable label switching.
P4(config-if)#exit
Exit interface mode.
P4(config)#router isis 1
Set the routing process ID .
P4(config-router)#metric-style wide
Configure metric style as wide.
P4(config-router)#net 49.0000.0000.0000.0005.00
Configure Network entity title (NET).
P4(config-router)#mpls traffic-eng router-id 1.1.1.5
Enable MPLS Traffic Engineering under router process.
P4(config-router)#mpls traffic-eng level-1
Enable MPLS Traffic Engineering as level-1.
P4(config-router)#mpls traffic-eng level-2
Enable MPLS Traffic Engineering as level-2.
P4(config-router)#segment-routing mpls
Enable segment routing under router process.
P4(config-router)#exit
Exit router mode.
P5
 
P5#configure terminal
Enter configure mode.
P5(config)#interface lo
Enter interface mode.
P5(config-if)#ip address 1.1.1.6/32
secondary
Configure the IP address of the interface.
P5(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P5(config-if)#prefix-sid index 6
Configure prefix SID index value.
P5(config-if)#exit
Exit interface mode.
P5(config)#interface eth1
Enter interface mode.
P5(config-if)#ip address 10.5.6.2/32
secondary
Configure the IP address of the interface.
P5(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P5(config-if)#label-switching
Enable label switching.
P5(config-if)#exit
Exit interface mode.
P5(config)#interface eth3
Enter interface mode.
P5(config-if)#ip address 10.2.6.2/32
secondary
Configure the IP address of the interface.
P5(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
P5(config-if)#label-switching
Enable label switching.
P5(config-if)#exit
Exit interface mode.
P5(config)#router isis 1
Set the routing process ID .
P5(config-router)#metric-style wide
Configure metric style as wide.
P5(config-router)#net 49.0000.0000.0000.0006.00
Configure Network entity title (NET).
P5(config-router)#mpls traffic-eng router-id 1.1.1.6
Enable MPLS Traffic Engineering under router process.
P5(config-router)#mpls traffic-eng level-1
Enable MPLS Traffic Engineering as level-1.
P5(config-router)#mpls traffic-eng level-2
Enable MPLS Traffic Engineering as level-2.
P5(config-router)#segment-routing mpls
Enable segment routing under router process.
P5(config-router)#exit
Exit router mode.
P5(config)#commit
Commit the candidate configuration to the running configuration.
PE2
 
PE2#configure terminal
Enter configure mode.
PE2(config)#interface lo
Enter interface mode.
PE2(config-if)#ip address 1.1.1.7/32
secondary
Configure the IP address of the interface.
PE2(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
PE2(config-if)#prefix-sid index 7
Configure prefix SID index value.
PE2(config-if)#exit
Exit interface mode.
PE2(config)#interface eth3
Enter interface mode.
PE2(config-if)#ip address 10.3.7.2/32
secondary
Configure the IP address of the interface.
PE2(config-if)#ip router isis 1
Make the interface part of the router ISIS 1 instance.
PE2(config-if)#label-switching
Enable label switching.
PE2(config-if)#exit
Exit interface mode.
PE2(config)#router isis 1
Set the routing process ID .
PE2(config-router)#metric-style wide
Configure metric style as wide.
PE2(config-router)#net 49.0000.0000.0000.0007.00
Configure Network entity title (NET).
PE2(config-router)#mpls traffic-eng router-id 1.1.1.7
Enable MPLS Traffic Engineering under router process.
PE2(config-router)#mpls traffic-eng level-1
Enable MPLS Traffic Engineering as level-1.
PE2(config-router)#mpls traffic-eng level-2
Enable MPLS Traffic Engineering as level-2.
PE2(config-router)#segment-routing mpls
Enable segment routing under router process.
PE2(config-router)#exit
Exit router mode.
PE2(config)#commit
Commit the candidate configuration to the running configuration.
Validation 1
P1
P1#show clns neighbors
 
Total number of L1 adjacencies: 3
Total number of L2 adjacencies: 3
Total number of adjacencies: 6
Tag 1: VRF : default
System Id Interface SNPA State Holdtime Type Protocol
0000.0000.0003 eth2 3c2c.99c9.097f Up 7 L1 IS-IS
Up 7 L2 IS-IS
0000.0000.0006 eth3 3c2c.992c.ec83 Up 6 L1 IS-IS
Up 6 L2 IS-IS
0000.0000.0001 eth1 04f8.f824.d009 Up 19 L1 IS-IS
Up 19 L2 IS-IS
Validation 2
P1
P1#show isis tilfa pq
 
IS-IS Level-1 Link State Database:
 
Node: 0000.0000.0001.00-00
P node: 0000.0000.0004.00-00 primary dist:20
P node: 0000.0000.0005.00-00 primary dist:20
P node: 0000.0000.0007.00-00 primary dist:20
P node: 0000.0000.0003.00-00 primary dist:10
P node: 0000.0000.0006.00-00 primary dist:10
No PQ Node found on backup path
 
Node: 0000.0000.0003.00-00
P node: 0000.0000.0004.00-00 primary dist:20
P node: 0000.0000.0005.00-00 primary dist:20
P node: 0000.0000.0006.00-00 primary dist:10
P node: 0000.0000.0001.00-00 primary dist:10
Q node: 0000.0000.0004.00-00 primary dist:20
Q node: 0000.0000.0005.00-00 primary dist:20
Q node: 0000.0000.0007.00-00 primary dist:20
PQ Node: 0000.0000.0005.00-00 backup dist:20
 
Node: 0000.0000.0004.00-00
P node: 0000.0000.0004.00-00 primary dist:20
P node: 0000.0000.0005.00-00 primary dist:20
P node: 0000.0000.0006.00-00 primary dist:10
P node: 0000.0000.0001.00-00 primary dist:10
Q node: 0000.0000.0004.00-00 primary dist:20
Q node: 0000.0000.0005.00-00 primary dist:20
Q node: 0000.0000.0007.00-00 primary dist:20
PQ Node: 0000.0000.0005.00-00 backup dist:20
 
Node: 0000.0000.0005.00-00
P node: 0000.0000.0004.00-00 primary dist:20
P node: 0000.0000.0005.00-00 primary dist:20
P node: 0000.0000.0007.00-00 primary dist:20
P node: 0000.0000.0003.00-00 primary dist:10
P node: 0000.0000.0001.00-00 primary dist:10
Q node: 0000.0000.0004.00-00 primary dist:20
Q node: 0000.0000.0005.00-00 primary dist:20
PQ Node: 0000.0000.0004.00-00 backup dist:20
 
Node: 0000.0000.0006.00-00
P node: 0000.0000.0004.00-00 primary dist:20
P node: 0000.0000.0005.00-00 primary dist:20
P node: 0000.0000.0007.00-00 primary dist:20
P node: 0000.0000.0003.00-00 primary dist:10
P node: 0000.0000.0001.00-00 primary dist:10
Q node: 0000.0000.0004.00-00 primary dist:20
Q node: 0000.0000.0005.00-00 primary dist:20
PQ Node: 0000.0000.0004.00-00 backup dist:20
 
Node: 0000.0000.0007.00-00
P node: 0000.0000.0004.00-00 primary dist:20
P node: 0000.0000.0005.00-00 primary dist:20
P node: 0000.0000.0006.00-00 primary dist:10
P node: 0000.0000.0001.00-00 primary dist:10
Q node: 0000.0000.0004.00-00 primary dist:20
Q node: 0000.0000.0005.00-00 primary dist:20
Q node: 0000.0000.0007.00-00 primary dist:20
PQ Node: 0000.0000.0005.00-00 backup dist:20
 
P1#show ip isis route tilfa
 
Tag : 1 VRF : default
Codes : L1 - IS-IS level-1, L2 - IS-IS level-2,
C - Connected Routes, ia - IS-IS inter area
 
1.1.1.1/32
L1: Primary Path Nexthop : 10.1.2.1, eth1
Route ftnix :1 ilmix :5
SR Incoming Label : 16001
SR outgoing Label : 3
NO PQ node
NO Backup
 
 
1.1.1.2/32
C: Primary Path Nexthop : 0.0.0.0, lo
Route ftnix :0 ilmix :1
SR Incoming Label : 16002
No SR outgoing Label
NO PQ node
NO Backup
 
 
1.1.1.3/32
L1: Primary Path Nexthop : 10.2.3.2, eth2
Route ftnix :2 ilmix :6
SR Incoming Label : 16003
SR outgoing Label : 3
PQ node : 1.1.1.5
Backup ftnix :10 ilmix :47
Backup outgoing Label : 16003
Bypass_trunk id :2201
Backup out interface : eth3
 
 
1.1.1.4/32
L1: Primary Path Nexthop : 10.2.3.2, eth2
Route ftnix :3 ilmix :7
SR Incoming Label : 16004
SR outgoing Label : 16004
PQ node : 1.1.1.5
Backup ftnix :11 ilmix :48
Backup outgoing Label : 16004
Bypass_trunk id :2201
Backup out interface : eth3
 
Trunk : 2202 :1.1.1.4_nh_10006 ftn_ix : 9 ref_cnt:3
Number Of outgoing label : 1
16004
Nexthop address : 10.2.3.2
 
 
1.1.1.5/32
L1: Primary Path Nexthop : 10.2.6.2, eth3
Route ftnix :4 ilmix :8
SR Incoming Label : 16005
SR outgoing Label : 16005
PQ node : 1.1.1.4
Backup ftnix :12 ilmix :49
Backup outgoing Label : 16005
Bypass_trunk id :2202
Backup out interface : eth2
 
Trunk : 2201 :1.1.1.5_nh_10007 ftn_ix : 8 ref_cnt:4
Number Of outgoing label : 1
16005
Nexthop address : 10.2.6.2
 
 
1.1.1.6/32
L1: Primary Path Nexthop : 10.2.6.2, eth3
Route ftnix :5 ilmix :15
SR Incoming Label : 16006
SR outgoing Label : 3
PQ node : 1.1.1.4
Backup ftnix :13 ilmix :50
Backup outgoing Label : 16006
Bypass_trunk id :2202
Backup out interface : eth2
 
 
1.1.1.7/32
L1: Primary Path Nexthop : 10.2.3.2, eth2
Route ftnix :6 ilmix :40
SR Incoming Label : 16007
SR outgoing Label : 16007
PQ node : 1.1.1.5
Backup ftnix :14 ilmix :53
Backup outgoing Label : 16007
Bypass_trunk id :2201
Backup out interface : eth3
 
P1#
 
P1#show mpls ilm-table
Codes: > - installed ILM, * - selected ILM, p - stale ILM
K - CLI ILM, T - MPLS-TP, s - Stitched ILM
S - SNMP, L - LDP, R - RSVP, C - CRLDP
B - BGP , K - CLI , V - LDP_VC, I - IGP_SHORTCUT
O - OSPF/OSPF6 SR, i - ISIS SR, k - SR CLI
P - SR Policy, U - unknown
 
Code FEC/VRF/L2CKT ILM-ID In-Label Out-Label In-Intf Out-Intf/VRF Nexthop LSP-Type
i> 10.1.2.1/32 2 24960 3 N/A eth1 10.1.2.1 LSP_DEFAULT
i> 1.1.1.4/32 7 16004 16004 N/A eth2 10.2.3.2 LSP_DEFAULT
i> 1.1.1.4/32 48 16004 16004 N/A eth3 10.2.6.2 LSP_DEFAULT
i> 1.1.1.2/32 1 16002 Nolabel N/A N/A 127.0.0.1 LSP_DEFAULT
i> 1.1.1.1/32 5 16001 3 N/A eth1 10.1.2.1 LSP_DEFAULT
i> 1.1.1.3/32 6 16003 3 N/A eth2 10.2.3.2 LSP_DEFAULT
i> 1.1.1.3/32 47 16003 16003 N/A eth3 10.2.6.2 LSP_DEFAULT
i> 1.1.1.6/32 15 16006 3 N/A eth3 10.2.6.2 LSP_DEFAULT
i> 1.1.1.6/32 50 16006 16006 N/A eth2 10.2.3.2 LSP_DEFAULT
i> 1.1.1.5/32 8 16005 16005 N/A eth3 10.2.6.2 LSP_DEFAULT
i> 1.1.1.5/32 49 16005 16005 N/A eth2 10.2.3.2 LSP_DEFAULT
i> 1.1.1.7/32 40 16007 16007 N/A eth2 10.2.3.2 LSP_DEFAULT
i> 1.1.1.7/32 53 16007 16007 N/A eth3 10.2.6.2 LSP_DEFAULT
i> 10.2.3.2/32 3 24961 3 N/A eth2 10.2.3.2 LSP_DEFAULT
i> 10.2.3.2/32 51 24961 16003 N/A eth3 10.2.6.2 LSP_DEFAULT
i> 10.2.6.2/32 4 24962 3 N/A eth3 10.2.6.2 LSP_DEFAULT
i> 10.2.6.2/32 52 24962 16006 N/A eth2 10.2.3.2 LSP_DEFAULT
P1#
 
P1#show mpls forwarding-table
Codes: > - installed FTN, * - selected FTN, p - stale FTN,
B - BGP FTN, K - CLI FTN, t - tunnel, P - SR Policy FTN,
L - LDP FTN, R - RSVP-TE FTN, S - SNMP FTN, I - IGP-Shortcut,
U - unknown FTN, O - SR-OSPF FTN, i - SR-ISIS FTN, k - SR-CLI FTN
 
Code FEC FTN-ID Nhlfe-ID Tunnel-id Pri LSP-Type Out-Label Out-Intf ELC Nexthop
i> 1.1.1.1/32 1 5 0 Yes LSP_DEFAULT 3 eth1 No 10.1.2.1
i> 1.1.1.3/32 2 3 0 Yes LSP_DEFAULT 3 eth2 No 10.2.3.2
i> 1.1.1.3/32 10 15 0 No LSP_DEFAULT 16003 - No 10.2.6.2
i> 1.1.1.4/32 3 7 0 Yes LSP_DEFAULT 16004 eth2 No 10.2.3.2
i> 1.1.1.4/32 11 20 0 No LSP_DEFAULT 16004 - No 10.2.6.2
i> 1.1.1.4/32 9 13 2202 Yes LSP_DEFAULT 16004 eth2 No 10.2.3.2
i> 1.1.1.5/32 4 8 0 Yes LSP_DEFAULT 16005 eth3 No 10.2.6.2
i> 1.1.1.5/32 12 21 0 No LSP_DEFAULT 16005 - No 10.2.3.2
i> 1.1.1.5/32 8 12 2201 Yes LSP_DEFAULT 16005 eth3 No 10.2.6.2
i> 1.1.1.6/32 5 10 0 Yes LSP_DEFAULT 3 eth3 No 10.2.6.2
i> 1.1.1.6/32 13 22 0 No LSP_DEFAULT 16006 - No 10.2.3.2
i> 1.1.1.7/32 6 11 0 Yes LSP_DEFAULT 16007 eth2 No 10.2.3.2
i> 1.1.1.7/32 14 24 0 No LSP_DEFAULT 16007 - No 10.2.6.2
K> 202.1.1.0/24 7 - - - LSP_DEFAULT - eth2 No 1.1.1.7
P1#
 
P1#show mpls ftn-table 1.1.1.4/32
Primary FTN entry with FEC: 1.1.1.4/32, id: 3, row status: Active, Tunnel-Policy: N/A
Owner: ISIS-SR, distance: 115, Action-type: Redirect to LSP, Exp-bits: 0x0, Incoming DSCP: none
Tunnel id: 0, Protected LSP id: 0, Description: N/A, Color: 0
Cross connect ix: 3, in intf: - in label: 0 out-segment ix: 6
Owner: ISIS-SR, Persistent: No, Admin Status: Up, Oper Status: Up
Out-segment with ix: 6, owner: ISIS-SR, Stale: NO, out intf: eth2, out label: 16004
Nexthop addr: 10.2.3.2 cross connect ix: 3, op code: Push
 
 
Non-primary FTN entry with FEC: 1.1.1.4/32, id: 11, row status: Active, Tunnel-Policy: N/A
Owner: ISIS-SR, distance: 115, Action-type: Redirect to Tunnel, Exp-bits: 0x0, Incoming DSCP: none
Tunnel id: 0, Protected LSP id: 0, QoS Resource id: 0, Description: N/A, Color: 0
Cross connect ix: 10, in intf: - in label: 0 out-segment ix: 18
Owner: ISIS-SR, Persistent: No, Admin Status: Up, Oper Status: Up
Out-segment with ix: 18, owner: ISIS-SR, Stale: NO, ISIS-SR out intf: eth3, transport out intf: N/A, out label: 16004
Nexthop addr: 10.2.6.2 cross connect ix: 10, op code: Push and Lookup
 
bypass_ftn_ix 8
 
Primary FTN entry with FEC: 1.1.1.4/32, id: 9, row status: Active, Tunnel-Policy: N/A
Owner: ISIS-SR, distance: 115, Action-type: Redirect to Tunnel, Exp-bits: 0x0, Incoming DSCP: none
Tunnel id: 2202, Protected LSP id: 0, QoS Resource id: 0, Description: N/A, Color: 0
Cross connect ix: 3, in intf: - in label: 0 out-segment ix: 6
Owner: ISIS-SR, Persistent: No, Admin Status: Up, Oper Status: Up
Out-segment with ix: 6, owner: ISIS-SR, Stale: NO, out intf: eth2, out label: 16004
Nexthop addr: 10.2.3.2 cross connect ix: 3, op code: Push
P1#
 
P1#show mpls ftn-table 1.1.1.5/32
Primary FTN entry with FEC: 1.1.1.5/32, id: 4, row status: Active, Tunnel-Policy: N/A
Owner: ISIS-SR, distance: 115, Action-type: Redirect to LSP, Exp-bits: 0x0, Incoming DSCP: none
Tunnel id: 0, Protected LSP id: 0, Description: N/A, Color: 0
Cross connect ix: 7, in intf: - in label: 0 out-segment ix: 16
Owner: ISIS-SR, Persistent: No, Admin Status: Up, Oper Status: Up
Out-segment with ix: 16, owner: OSPF-SR, Stale: NO, out intf: eth3, out label: 16005
Nexthop addr: 10.2.6.2 cross connect ix: 7, op code: Push
 
 
Non-primary FTN entry with FEC: 1.1.1.5/32, id: 12, row status: Active, Tunnel-Policy: N/A
Owner: ISIS-SR, distance: 115, Action-type: Redirect to Tunnel, Exp-bits: 0x0, Incoming DSCP: none
Tunnel id: 0, Protected LSP id: 0, QoS Resource id: 0, Description: N/A, Color: 0
Cross connect ix: 8, in intf: - in label: 0 out-segment ix: 17
Owner: ISIS-SR, Persistent: No, Admin Status: Up, Oper Status: Up
Out-segment with ix: 17, owner: OSPF-SR, Stale: NO, OSPF-SR out intf: eth2, transport out intf: N/A, out label: 16005
Nexthop addr: 10.2.3.2 cross connect ix: 8, op code: Push and Lookup
 
bypass_ftn_ix 9
 
Primary FTN entry with FEC: 1.1.1.5/32, id: 8, row status: Active, Tunnel-Policy: N/A
Owner: ISIS-SR, distance: 115, Action-type: Redirect to Tunnel, Exp-bits: 0x0, Incoming DSCP: none
Tunnel id: 2201, Protected LSP id: 0, QoS Resource id: 0, Description: N/A, Color: 0
Cross connect ix: 7, in intf: - in label: 0 out-segment ix: 16
Owner: ISIS-SR, Persistent: No, Admin Status: Up, Oper Status: Up
Out-segment with ix: 16, owner: OSPF-SR, Stale: NO, out intf: eth3, out label: 16005
Nexthop addr: 10.2.6.2 cross connect ix: 7, op code: Push
 
 
P1#
 
P1#show mpls ftn-table 1.1.1.7/32
Primary FTN entry with FEC: 1.1.1.7/32, id: 6, row status: Active, Tunnel-Policy: N/A
Owner: ISIS-SR, distance: 115, Action-type: Redirect to LSP, Exp-bits: 0x0, Incoming DSCP: none
Tunnel id: 0, Protected LSP id: 0, Description: N/A, Color: 0
Cross connect ix: 4, in intf: - in label: 0 out-segment ix: 4
Owner: ISIS-SR, Persistent: No, Admin Status: Up, Oper Status: Up
Out-segment with ix: 4, owner: ISIS-SR, Stale: NO, out intf: eth2, out label: 16007
Nexthop addr: 10.2.3.2 cross connect ix: 4, op code: Push
 
 
Non-primary FTN entry with FEC: 1.1.1.7/32, id: 14, row status: Active, Tunnel-Policy: N/A
Owner: ISIS-SR, distance: 115, Action-type: Redirect to Tunnel, Exp-bits: 0x0, Incoming DSCP: none
Tunnel id: 0, Protected LSP id: 0, QoS Resource id: 0, Description: N/A, Color: 0
Cross connect ix: 11, in intf: - in label: 0 out-segment ix: 23
Owner: ISIS-SR, Persistent: No, Admin Status: Up, Oper Status: Up
Out-segment with ix: 23, owner: ISIS-SR, Stale: NO, ISIS-SR out intf: eth3, transport out intf: N/A, out label: 16007
Nexthop addr: 10.2.6.2 cross connect ix: 11, op code: Push and Lookup
 
bypass_ftn_ix 8
 
P1#
 
 
Last modified date: 10/20/2023