Hi all, I'm trying to setup in lab Link-Protection but I'm facing some issues it's doesn't seems to work probably,
keep saying that *Cannot select backup for TE tunnel that is associated as a backup* Does that mean that I can't use link-protection on the PLR node can anyone explain please. the topology is R1 ---------------------------- R2 | | | | R3 ---------------------------- R4 Trying to protect the link between R1 and R2 on the R1 so R1 is the PLR and the ERO for the tunnel is towards R1 ->R3->R4->R2 Loopback0 this is my config: interface Vlan999 Desc This will be used incase gi1/0/0.120 fail mpls ip mpls traffic-eng tunnels ip rsvp bandwidth 256000 256000 ! interface GigabitEthernet1/0/0.120 Des Protected Link mpls ip mpls traffic-eng tunnels mpls traffic-eng backup-path Tunnel1 ip rsvp bandwidth 256000 256000 ip rsvp signalling hello ip rsvp signalling hello refresh interval 50 ! interface Tunnel1 ip unnumbered Loopback0 tunnel source Loopback0 tunnel mode mpls traffic-eng tunnel destination 192.133.125.128 tunnel mpls traffic-eng path-option 10 explicit name B-LINK tunnel mpls traffic-eng fast-reroute bw-protect ! router ospf 65474 router-id 192.133.125.129 mpls traffic-eng router-id Loopback0 mpls traffic-eng area 0 ! ip explicit-path name B-LINK enable next-address 192.133.125.145 next-address 192.133.125.144 next-address 192.133.125.128 show debug IP RSVP debugging is on for: fast-reroute state fast-reroute signalling fast-reroute errors hello Jun 24 11:47:35.000 MET: %LDP-5-SP: 192.133.125.128:0: session recovery succeeded Jun 24 11:47:42.700 MET: %OSPF-5-ADJCHG: Process 65474, Nbr 192.133.125.128 on GigabitEthernet1/0/0.120 from LOADING to FULL, Loading Done Jun 24 11:47:42.704 MET: RSVP-FRR: rsvp_frr_tpdb_node_change: topology data base node change: event: 4 Jun 24 11:47:42.704 MET: RSVP-FRR: rsvp_frr_tpdb_node_change: Start FRR walk timer Jun 24 11:47:42.732 MET: RSVP-FRR: rsvp_frr_tpdb_node_change: topology data base node change: event: 4 Jun 24 11:47:42.732 MET: RSVP-FRR: rsvp_frr_tpdb_node_change: walk timer is already running Jun 24 11:47:52.704 MET: RSVP-FRR: rsvp_frr_event_walk_timer_expired: RSVP FRR walk timer expired, walk all psbs Jun 24 11:47:52.704 MET: RSVP-FRR: rsvp_frr_scan_psbs: -- examine all PSB's Jun 24 11:47:52.704 MET: RSVP-FRR 192.133.125.129_5->192.133.125.128_1[192.133.125.129]: rsvp_frr_prepare: Cannot select backup for TE tunnel that is associated as a backup Jun 24 11:47:52.704 MET: RSVP-FRR 192.133.125.129_5->192.133.125.128_1[192.133.125.129]: rsvp_frr_set_backup: prepare failed Jun 24 11:47:52.704 MET : RSVP-FRR: rsvp_frr_scan_psbs: -- Finished
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