Fast Reroute Configuration (One-to-one Method)

The Fast Reroute (FRR) configuration is a MPLS resiliency technology that provides fast traffic recovery when there is a link or router failure on mission critical services. These mechanisms enable the re-direction of traffic onto backup LSP tunnels in tens of milliseconds, in the event of a failure. The one-to-one backup method creates detour LSPs for each protected LSP at each potential point of local repair. This method is used to protect links and nodes during network failure.

In the below configurations each FRR trunk is mapped to VPWS,VPLS, and L3 VPN services.So it includes configurations of VPWS,VPLS and L3 VPN also.

IP BFD must be configured at 3.3ms to achieve 50ms switchover for RSVP FRR.

Starting with OcNOS version 7.0.0, sub-interfaces replace Service Templates as the preferred configuration method. While legacy Service Template configurations remain functional, the associated commands are now hidden and will be completely removed in a future release. To ensure future-proofing and continued manageability, please migrate all existing Service Templates to sub-interfaces.
For more details, see Appendix A: Service Template Configuration.

Figure 32. Topology Example for Fast Reroute

RTR-29 Configuration

The following are the RTR-29 router configuration procedures.

#configure terminal	Enter configure mode.
(config)#interface lo	Enter interface mode.
(config-if)#ip address 29.29.29.29/32 secondary	Set a secondary IP address of the interface
(config-if)#no shutdown	Administratively bring the interface up.
(config-if)#exit	Exit interface mode.
(config)#router-id 29.29.29.29	Configure the router ID.
(config)#router rsvp	Enter to router rsvp mode.
(config-router)#exit	Exit the router mode
(config)#router ldp	Enter to router LDP mode.
(config-router)#targeted-peer ipv4 30.30.30.30	Configure targeted peer.
(config-router-targeted-peer)#exit-targeted-peer-mode	Exit-targeted-peer-mode
(config-router)#exit	Exit router mode
(config)#interface xe21	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface.
(config-if)#ip address 21.21.21.29/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#enable-ldp ipv4	Enable LDP on this interface
(config-if)#exit	Exit interface mode.
(config)#interface xe22	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface
(config-if)#enable-ldp ipv4	Enable LDP on this interface
(config-if)#ip address 22.22.22.29/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#router ospf	Enter the router configure mode for OSPF.
(config-router)#router-id 29.29.29.29	Configure OSPF router-ID same as loopback interface IP address
(config-router)#network 21.21.21.0/24 area 0 (config-router)#network 22.22.22.0/24 area 0 (config-router)#network 29.29.29.29/32 area 0	Define the network on which OSPF runs and associate the area ID
(config-router)#exit	Exit the router configure mode.
(config)#rsvp-path p21	Enter the path mode for RSVP pt1.
(config-path)#21.21.21.43 strict	Configure this explicit route path as a strict hop.
(config-path)#38.38.38.42 strict	Configure this explicit route path as a strict hop.
(config-path)#69.69.69.30 strict	Configure this explicit route path as a strict hop.
(config)#exit	Exit the path mode.
(config)#rsvp-trunk to_30 ipv4	Enter the trunk mode for RSVP.
(config-trunk)#primary fast-reroute protection one-to-one	Configure primary fast-reroute protection facility for a trunk.
(config-trunk)#primary fast-reroute node-protection	Configure primary fast-reroute node protection for the trunk
(config-trunk)#primary path p21	Configure trunk to 30 to use the defined path.
(config-trunk)#to 30.30.30.30	Specify the IPv4 egress (destination point) for the LSP.
(config-trunk)#exit	Exit from trunk mode.
(config)#ip vrf vrf1	Configure VRF instance
(config-vrf)#rd 100:1	Configure Router Distinguisher value
(config-vrf)#route-target both 100:1	Configure route-target as both
(config-vrf)#exit	Exit the path mode.
(config)#interface xe43	Enter to the interface mode
(config-if)#ip vrf forwarding vrf1	Bind the VRF instance to the interface
(config-if)#ip address 43.43.43.29/24	Configure IP address
(config-if)#exit	Exit interface mode.
(config)#router bgp 100	Configure BGP router instance
(config-router)#neighbor 30.30.30.30 remote-as 100	Configure neighbor with remote-as
(config-router)#neighbor 30.30.30.30 update-source 29.29.29.29	Configure update source as loopback address
(config-router)#address-family vpnv4 unicast	Configure VPNv4 address family
(config-router-af)#neighbor 30.30.30.30 activate	Activate the VPN neighbor
(config-router-af)#exit-address-family	Exit the VPN address family
(config-router)#address-family ipv4 vrf vrf1	Configure VRF address family
(config-router-af)redistribute connected	Redistribute connected route
(config-router-af)exit-address-family	Exit VRF address family
(config-router)#exit	Exit router mode
(config)#mpls l2-circuit vlan10 10 30.30.30.30	Configure Virtual circuit.
(config-pseudowire)#exit	Exit pseudowire config mode.
(config)#service-template st1	Template configuration
(config-svc)#match outer-vlan 10	Match criteria under template configuration
(config-svc)#exit	Exit service template mode
(config)#service-template st2	Template configuration
(config-svc)#match outer-vlan 30	Match criteria under template configuration
(config-svc)#exit	Exit service template mode
(config)#interface xe44	Enter interface configuration mode
(config-if)#switchport	Configure interface as switch port
(config-if)#mpls-l2-circuit t1 service-template st1	Bind the interface to the VC with service template
(config-if)#exit	Exit interface configuration mode
(config)#mpls vpls vpls30 30	Configure VPLS instance
(config-vpls)#signaling ldp	Configure VPLS signaling as LDP
(config-vpls-sig)#vpls-type vlan	Configure VPLS type as VLAN encapsulation
(config-vpls-sig)#vpls-peer 30.30.30.30	Configure VPLS peer
(config-vpls-sig)#exit-signaling	Exit VPLS configuration mode
(config)#interface xe45	Enter interface configuration mode
(config-if)#switchport	Configure interface as switch port
(config-if)#mpls-vpls vpls30 service-template st2	Bind the VPLS instance to the interface
(config-if-vpls)#split-horizon group access1	Configure split-horizon group on VPLS
(config-if-vpls)#exit	Exit VPLS attachment-circuit mode
(config-if)#commit	Commit the transaction.

RTR-43 Configuration

The following are the RTR-43 router configuration procedures.

#configure terminal	Enter configure mode.
(config)#interface lo	Enter interface mode.
(config-if)#ip address 43.43.43.43/32 secondary	Set a secondary IP address of the interface
(config-if)#no shutdown	Administratively shutdown the interface.
(config-if)#exit	Exit interface mode.
(config)#router-id 43.43.43.43	Configure the router ID.
(config)#router rsvp	Enter to router RSVP mode.
(config-router)#exit	Exit the router mode
(config)#interface xe5/1	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface.
(config-if)#ip address 11.11.11.43/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#interface xe9/1	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface
(config-if)#ip address 21.21.21.43/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#interface xe9/2	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface.
(config-if)#ip address 22.22.22.43/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#interface xe13/2	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface
(config-if)#ip address 38.38.38.43/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#router ospf	Enter the router configure mode for OSPF.
(config-router)#router-id 43.43.43.43	Configure OSPF router-ID same as loopback interface IP address
(config-router)#network 11.11.11.0/24 area 0 (config-router)#network 22.22.22.0/24 area 0 (config-router)#network 21.21.21.0/24 area 0 (config-router)#network 38.38.38.0/24 area 0 (config-router)#network 43.43.43.43/32 area 0	Define the network on which OSPF runs and associate the area ID
(config-router)#commit	Commit the transaction.

RTR-42 Configuration

The following are the RTR-42 router configuration procedures.

(config)#interface lo	Enter interface mode.
(config-if)#ip address 42.42.42.42/32 secondary	Set a secondary IP address of the interface
(config-if)#no shutdown	Administratively shutdown the interface.
(config-if)#exit	Exit interface mode.
(config)#router-id 42.42.42.42	Configure the router ID.
(config)#router rsvp	Enter to router RSVP mode.
(config-router)#exit	Exit the router mode
(config)#interface xe2	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface.
(config-if)#ip address 5.5.5.42/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#interface xe10/1	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface
(config-if)#ip address 25.25.25.42/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#interface xe3	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface.
(config-if)#ip address 38.38.38.42/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#interface xe4	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface
(config-if)#ip address 69.69.69.42/24	Specify an IP address for the interface
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface
(config-if)#exit	Exit interface mode
(config)#router ospf	Enter the router configure mode for OSPF.
(config-router)#router-id 42.42.42.42	Configure OSPF router-ID same as loopback interface IP address
(config-router)#network 5.5.5.0/24 area 0 (config-router)#network 25.25.25.0/24 area 0 (config-router)#network 69.69.69.0/24 area 0 (config-router)#network 38.38.38.0/24 area 0 (config-router)#network 42.42.42.42/32 area 0	Define the network on which OSPF runs and associate the area ID
(config-router)#commit	Commit the transaction

RTR-41 Configuration

The following are the RTR-41 router configuration procedures.

(config)#interface lo	Enter interface mode.
(config-if)#ip address 44.44.44.44/32 secondary	Set a secondary IP address of the interface
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#exit	Exit interface mode.
(config)#router-id 44.44.44.44	Configure the router ID.
(config)#router rsvp	Enter to router RSVP mode.
(config-router)#exit	Exit the router mode
(config)#interface xe1/1	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface.
(config-if)#ip address 1.1.1.41/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#interface xe2	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface
(config-if)#ip address 5.5.5.41/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#interface xe5/1	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface.
(config-if)#ip address 11.11.11.41/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#router ospf	Enter the router configure mode for OSPF.
(config-router)#router-id 44.44.44.44	Configure OSPF router-ID same as loopback interface IP address
(config-router)#network 5.5.5.0/24 area 0 (config-router)#network 1.1.1.0/24 area 0 (config-router)#network 11.11.11.0/24 area 0 (config-router)#network 44.44.44.44/32 area 0	Define the network on which OSPF runs and associate the area ID
(config-router)#commit	Commit the transaction.

RTR-31 Configuration

The following are the RTR-31 router configuration procedures.

(config)#interface lo	Enter interface mode.
(config-if)#ip address 31.31.31.31/32 secondary	Set a secondary IP address of the interface
(config-if)#no shutdown	Administratively shutdown the interface.
(config-if)#exit	Exit interface mode.
(config)#router-id 31.31.31.31	Configure the router ID.
(config)#router rsvp	Enter to router RSVP mode.
(config-router)#exit	Exit the router mode
(config)#interface xe1	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface.
(config-if)#ip address 1.1.1.31/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#interface xe25	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface
(config-if)#ip address 25.25.25.31/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#interface xe41	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface.
(config-if)#ip address 41.41.41.31/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#router ospf	Enter the router configure mode for OSPF.
(config-router)#router-id 31.31.31.31	Configure OSPF router-ID same as loopback interface IP address
(config-router)#network 1.1.1.0/24 area 0 (config-router)#network 25.25.25.0/24 area 0 (config-router)#network 41.41.41.0/24 area 0 (config-router)#network 31.31.31.31/32 area 0	Define the network on which OSPF runs and associate the area ID
(config-router)#commit	Commit the transaction.

RTR-30 Configuration

The following are the RTR-30 router configuration procedures.

(config)#interface lo	Enter interface mode.
(config-if)#ip address 30.30.30.30/32 secondary	Set a secondary IP address of the interface
(config-if)#no shutdown	Administratively shutdown the interface.
(config-if)#exit	Exit interface mode.
(config)#router-id 30.30.30.30	Configure the router ID.
(config)#router rsvp	Enter to router RSVP mode.
(config-router)#exit	Exit the router mode
(config)#router ldp	Enter to router LDP mode.
(config-router)#targeted-peer ipv4 29.29.29.29	Configure targeted peer.
(config-router-targeted-peer)#exit-targeted-peer-mode	Exit-targeted-peer-mode
(config-router)#exit	Exit router mode
(config)#interface xe41	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface.
(config-if)#ip address 41.41.41.30/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#enable-ldp ipv4	Enable LDP on this interface
(config-if)#exit	Exit interface mode.
(config)#interface xe54/1	Enter interface mode.
(config-if)#label-switching	Enable label switching on interface
(config-if)#enable-ldp ipv4	Enable LDP on this interface
(config-if)#ip address 69.69.69.30/24	Set an IP address of the interface.
(config-if)#no shutdown	Administratively no shutdown the interface.
(config-if)#enable-rsvp	Enable RSVP message exchange on this interface.
(config-if)#exit	Exit interface mode.
(config)#router ospf	Enter the router configure mode for OSPF.
(config-router)#router-id 30.30.30.30	Configure OSPF router-ID same as loopback interface IP address
(config-router)#network 41.41.41.0/24 area 0 (config-router)#network 69.69.69.0/24 area 0 (config-router)#network 30.30.30.30/32 area 0	Define the network on which OSPF runs and associate the area ID
(config-router)#commit	Commit the transaction.
(config)#rsvp-path p41	Enter the path mode for RSVP pt1.
(config-path)#41.41.41.31 strict	Configure this explicit route path as a strict hop.
(config-path)#1.1.1.41 strict	Configure this explicit route path as a strict hop.
(config-path)#11.11.11.43 strict	Configure this explicit route path as a strict hop.
(config)#exit	Exit the path mode.
(config)#rsvp-trunk to_29 ipv4	Enter the trunk mode for rsvp.
(config-trunk)#primary fast-reroute protection one-to-one	Configure primary fast-reroute protection facility for a trunk.
(config-trunk)#primary fast-reroute node-protection	Configure primary fast-reroute node protection for the trunk
(config-trunk)#primary path p41	Configure trunk to_29 to use the defined path.
(config-trunk)#to 29.29.29.29	Specify the IPv4 egress (destination point) for the LSP.
(config-trunk)#exit	Exit from trunk mode.
(config)#ip vrf vrf1	Configure VRF instance
(config-vrf)#rd 100:1	Configure Router Distinguisher value
(config-vrf)#route-target both 100:1	Configure route-target as both
(config-vrf)#exit	Exit the path mode.
(config)#interface xe23	Enter to the interface mode
(config-if)#ip vrf forwarding vrf1	Bind the VRF instance to the interface
(config-if)#ip address 23.23.23.29/24	Configure IP address
(config-if)#exit	Exit interface mode.
(config)#router bgp 100	Configure BGP router instance
(config-router)#neighbor 29.29.29.29 remote-as 100	Configure neighbor with remote-as
(config-router)#neighbor 29.29.29.29 update-source 30.30.30.30	Configure update source as loopback address
(config-router)#address-family vpnv4 unicast	Configure VPNv4 address family
(config-router-af)#neighbor 29.29.29.29 activate	Activate the VPN neighbor
(config-router-af)#exit-address-family	Exit the VPN address family
(config-router)#address-family ipv4 vrf vrf1	Configure VRF address family
(config-router-af)redistribute connected	Redistribute connected route
(config-router-af)exit-address-family	Exit VRF address family
(config-router)#exit	Exit router mode
(config)#mpls l2-circuit vlan10 10 29.29.29.29	Configure Virtual circuit.
(config-pseudowire)#exit	Exit pseudowire config mode.
(config)#service-template st1	Template configuration
(config-svc)#match outer-vlan 10	Match criteria under template configuration
(config-svc)#exit	Exit service template mode
(config)#service-template st2	Template configuration
(config-svc)#match outer-vlan 30	Match criteria under template configuration
(config-svc)#exit	Exit service template mode
(config)#interface xe24	Enter interface configuration mode
(config-if)#switchport	Configure interface as switch port
(config-if)#mpls-l2-circuit vlan10 service-template st1	Bind the interface to the VC with service template
(config-if)#exit	Exit interface configuration mode
(config)#mpls vpls vpls30 30	Configure VPLS instance
(config-vpls)#signaling ldp	Configure VPLS signaling as LDP
(config-vpls-sig)#vpls-type vlan	Configure VPLS type as VLAN encapsulation
(config-vpls-sig)#vpls-peer 29.29.29.29	Configure VPLS peer
(config-vpls-sig)#exit-signaling	Exit VPLS configuration mode
(config)#interface xe25	Enter interface configuration mode
(config-if)#switchport	Configure interface as switch port
(config-if)#mpls-vpls vpls30 service-template st2	Bind the VPLS instance to the interface
(config-if-vpls)#split-horizon group access1	Configure split-horizon group on VPLS
(config-if-vpls)#exit	Exit VPLS attachment-circuit mode
(config-if)#commit	Commit the transaction.

Validation

Copy

RTR-30#show rsvp session
Ingress RSVP:
To              From            State                Pri Rt  Style Labelin Labelout LSPName                          Uptime  Est.time   D
SType
29.29.29.29     30.30.30.30     Up                   Yes 1 1 SE    -       24322    to_29-Primary                    00:07:53 0s 118ms  D
EFAULT
29.29.29.29     69.69.69.30     Up                   No  1 1 SE    -       24322    to_29-Detour                     00:07:53 0s 4ms  DEF
AULT
Total 2 displayed, Up 2, Down 0.
 
Egress RSVP:
To              From            State                Pri Rt  Style Labelin Labelout LSPName                          Uptime  Est.time   D
SType
30.30.30.30     29.29.29.29     Up                   Yes 1 1 SE    24960   -        to_30-Primary                    00:07:57 N/A    ELSP
_CON
30.30.30.30     25.25.25.42     Up                   Yes 1 1 SE    24961   -        to_30-Detour                     00:07:57 N/A    ELSP
_CON
Total 2 displayed, Up 2, Down 0.
 
 
RTR-30#show mpls forwarding-table
Codes: > - installed FTN, * - selected FTN, p - stale FTN,
       B - BGP FTN, K - CLI FTN, t - tunnel
       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    Tunnel-id   Pri   LSP-Type        Out-Label    Out-Intf       Nexthop
R(t)>    29.29.29.29/32      1        5001        Yes   LSP_DEFAULT     24322        xe2          41.41.41.31
R(t)>    29.29.29.29/32      2        5001        No    LSP_DEFAULT     24322        xe1          69.69.69.42
RTR-30#
 
RTR-30#show mpls vrf-table
Output for IPv4 VRF table with id: 2
 Primary FTN entry with FEC: 43.43.43.0/24, id: 1, row status: Active
  Owner: BGP, Action-type: Redirect to Tunnel, Exp-bits: 0x0, Incoming DSCP: none
  Tunnel id: 5001,   Protected LSP id: 0, QoS Resource id: 0, Description: N/A
    Matched bytes:0, pkts:0, TX bytes:0, Pushed pkts:0
     Cross connect ix: 7, in intf: - in label: 0 out-segment ix: 6
      Owner: BGP, Persistent: No, Admin Status: Up, Oper Status: Up
       Out-segment with ix: 6, owner: BGP, out intf: xe1, out label: 25602
    Nexthop addr: 29.29.29.29        cross connect ix: 7, op code: Push and Lookup
 
 
Link 41.41.41.0/24 Goes down. Interface xe41 on router 30 is admistratively disabled with the "shutdown command".
 
RTR-30#
 
RTR-30#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
RTR-30(config)#int xe41
RTR-30(config-if)#shutdown
RTR-30(config-if)#
 
 
RTR-30#show rsvp session
Ingress RSVP:
To              From            State                Pri Rt  Style Labelin Labelout LSPName                          Uptime  Est.time   D
SType
29.29.29.29     30.30.30.30     Using Backup         Yes 0 0 SE    -       -        to_29-Primary                 N/A    DEFAULT
29.29.29.29     30.30.30.30     Dn                   Yes 0 0 SE    -       -        to_29-Primary                 N/A    DEFAULT
29.29.29.29     69.69.69.30     Up                   No  1 1 SE    -       24322    to_29-Detour                     00:10:53 0s 4ms  DEF
AULT
Total 3 displayed, Up 1, Down 2.
 
Egress RSVP:
To              From            State                Pri Rt  Style Labelin Labelout LSPName                          Uptime  Est.time   D
SType
30.30.30.30     29.29.29.29     Up                   Yes 1 1 SE    24960   -        to_30-Primary                    00:10:57 N/A    ELSP
_CON
Total 1 displayed, Up 1, Down 0.
 
 
RTR-30#show mpls vc-table
VC-ID       Vlan-ID  Inner-Vlan-ID  Access-Intf   Network-Intf  Out Label  Tunnel-Label  Nexthop         Status
10          N/A      N/A            xe4          xe1          24321      24322         29.29.29.29     Active
RTR-30#
 
 
RTR-30#show mpls vpls mesh
VPLS-ID    Peer Addr         Tunnel-Label  In-Label   Network-Intf   Out-Label  Lkps/St   PW-INDEX  SIG-Protocol  Status
30         29.29.29.29       24322         24320      xe41           24320      2/Up      2         LDP           Active
 
 
 
Link 41.41.41.0/24 is reestablished. Interfce xe41 is administrativly re-enabled.
 
 
RTR-30#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
RTR-30(config)#int xe41
RTR-30(config-if)#no shutdown
RTR-30(config-if)#
RTR-30#
 
 
RTR-30#show rsvp session
Ingress RSVP:
To              From            State                Pri Rt  Style Labelin Labelout LSPName                          Uptime  Est.time   D
SType
29.29.29.29     30.30.30.30     Up                   Yes 1 1 SE    -       24322    to_29-Primary                    00:00:01 0s 8ms  DEF
AULT
29.29.29.29     69.69.69.30     Up                   No  1 1 SE    -       24322    to_29-Detour                     00:00:01 0s 8ms  DEF
AULT
Total 2 displayed, Up 2, Down 0.
 
Egress RSVP:
To              From            State                Pri Rt  Style Labelin Labelout LSPName                          Uptime  Est.time   D
SType
30.30.30.30     29.29.29.29     Up                   Yes 1 1 SE    24960   -        to_30-Primary                    00:13:22 N/A    ELSP
_CON
30.30.30.30     25.25.25.42     Up                   Yes 1 1 SE    24961   -        to_30-Detour                     00:00:08 N/A    ELSP
_CON
Total 2 displayed, Up 2, Down 0.
 
 
RTR-30#show mpls forwarding-table
Codes: > - installed FTN, * - selected FTN, p - stale FTN,
       B - BGP FTN, K - CLI FTN, t - tunnel
       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    Tunnel-id   Pri   LSP-Type        Out-Label    Out-Intf       Nexthop
R(t)>    29.29.29.29/32      1        5001        Yes   LSP_DEFAULT     24322        xe41          41.41.41.31
R(t)>    29.29.29.29/32      2        5001        No    LSP_DEFAULT     24322        xe54/1          69.69.69.42

The primary LSP, which is in using backup state shall continue to use backup path in case where secondary is provisioned after the LSP state is changed to switch to backup.