Configure LDP-LSP
Topology
Figure 17-1: MPLS Statistics Topology
RTR1
Loopback Interface configuration
#configure terminal | Enter configure mode. |
(config)#interface lo | Specify the interface (lo) to be configured. |
(config-if)#ip address 11.11.11.11/32 secondary | Configure IP address on loopback interface |
(config-if)#exit | Exit interface mode. |
Global LDP configuration
(config)#router ldp | Enter Router mode for LDP. |
(config-router)#transport-address ipv4 11.11.11.11 | Configure the loopback address as transport-address |
(config-router)#targeted-peer ipv4 44.44.44.44 | Configure the loopback address of RTR4 as targeted peer. |
(config-router-targeted-peer)#exit | Exit router-targeted-peer mode and enter config-router mode |
(config-router)#end | Exit router and configure mode |
Enabling LDP and label switching on interface
#configure terminal | Enter configure mode. |
(config)#interface eth2 | Enter interface mode for eth2. |
(config-if)#enable-ldp ipv4 | Enable LDP on the interface. |
(config-if)#label-switching | Enable Label switching on the interface. |
(config-if)#ip address 10.10.10.1/24 | Configure IP address on the interface. |
(config-if)#exit | Exit interface mode. |
Global OSPF configuration
(config)#router ospf 100 | Enter the Router OSPF mode. |
(config-router)#network 11.11.11.11/32 area 0 | Advertise loopback address in OSPF. |
(config-router)#network 10.10.10.0/24 area 0 | Advertise network address (eth2) in OSPF. |
(config-router)#exit | Exit Router OSPF mode and return to Configure mode. |
RTR2
Loopback Interface configuration
#configure terminal | Enter configure mode. |
(config)#interface lo | Specify the interface (lo) to be configured. |
(config-if)#ip address 22.22.22.22/32 secondary | Configure IP address on loopback interface |
(config-if)#exit | Exit interface mode. |
Global LDP configuration
(config)#router ldp | Enter Router mode for LDP. |
(config-router)#transport-address ipv4 22.22.22.22 | Configure the loopback address as transport-address |
(config-router)#end | Exit router and configure mode |
Enabling LDP and label switching on interface
#configure terminal | Enter configure mode. |
(config)#interface eth1 | Enter interface mode for eth1. |
(config-if)#enable-ldp ipv4 | Enable LDP on the interface. |
(config-if)#label-switching | Enable Label switching on the interface. |
(config-if)#ip address 10.10.10.2/24 | Configure IP address on the interface. |
(config-if)#exit | Exit interface mode. |
(config)#interface eth2 | Enter interface mode for eth2. |
(config-if)#enable-ldp ipv4 | Enable LDP on the interface. |
(config-if)#label-switching | Enable Label switching on the interface. |
(config-if)#ip address 20.20.20.1/24 | Configure IP address on the interface. |
(config-if)#exit | Exit interface mode. |
OSPF Configuration
(config)#router ospf 100 | Enter the Router OSPF mode |
(config-router)#network 22.22.22.22/32 area 0.0.0.0 | Advertise loopback address in OSPF |
(config-router)#network 10.10.10.2/24 area 0.0.0.0 | Advertise network address (eth1) in OSPF. |
(config-router)#network 20.20.20.1/24 area 0.0.0.0 | Advertise network address (eth2) in OSPF. |
(config-router)#exit | Exit OSPF router configuration mode. |
RTR3
Loopback Interface configuration
#configure terminal | Enter configure mode. |
(config)#interface lo | Specify the interface (lo) to be configured. |
(config-if)#ip address 33.33.33.33/32 secondary | Configure IP address on loopback interface |
(config-if)#exit | Exit interface mode. |
Global LDP configuration
(config)#router ldp | Enter Router mode for LDP. |
(config-router)#transport-address ipv4 33.33.33.33 | Configure the loopback address as transport-address |
(config-router)#end | Exit router and configure mode |
Enabling LDP and label switching on interface
#configure terminal | Enter configure mode. |
(config)#interface eth1 | Enter interface mode for eth1. |
(config-if)#enable-ldp ipv4 | Enable LDP on the interface. |
(config-if)#label-switching | Enable Label switching on the interface. |
(config-if)#ip address 20.20.20.2/24 | Configure IP address on the interface. |
(config-if)#exit | Exit interface mode. |
(config)#interface eth2 | Enter interface mode for eth2. |
(config-if)#enable-ldp ipv4 | Enable LDP on the interface. |
(config-if)#label-switching | Enable Label switching on the interface. |
(config-if)#ip address 30.30.30.1/24 | Configure IP address on the interface. |
(config-if)#exit | Exit interface mode. |
OSPF Configuration
(config)#router ospf 100 | Enter the Router OSPF mode |
(config-router)#network 33.33.33.33/32 area 0.0.0.0 | Advertise loopback address in OSPF |
(config-router)#network 20.20.20.2/24 area 0.0.0.0 | Advertise network address (eth1) in OSPF. |
(config-router)#network 30.30.30.1/24 area 0.0.0.0 | Advertise network address (eth2) in OSPF. |
(config-router)#exit | Exit OSPF router configuration mode. |
RTR4
Loopback Interface configuration
#configure terminal | Enter configure mode. |
(config)#interface lo | Specify the interface (lo) to be configured. |
(config-if)#ip address 44.44.44.44/32 secondary | Configure IP address on loopback interface |
(config-if)#exit | Exit interface mode. |
Global LDP configuration
(config)#router ldp | Enter Router mode for LDP. |
(config-router)#transport-address ipv4 44.44.44.44 | Configure the loopback address as transport-address |
(config-router)#targeted-peer ipv4 11.11.11.11 | Configure the loopback address of RTR1 as targeted peer. |
(config-router-targeted-peer)#exit | Exit router-targeted-peer mode and enter config-router mode |
(config-router)#end | Exit router and configure mode |
Enabling LDP and label switching on interface
#configure terminal | Enter configure mode. |
(config)#interface eth1 | Enter interface mode for eth1. |
(config-if)#enable-ldp ipv4 | Enable LDP on the interface. |
(config-if)#label-switching | Enable Label switching on the interface. |
(config-if)#ip address 30.30.30.2/24 | Configure IP address on the interface. |
(config-if)#exit | Exit interface mode. |
Global OSPF Configuration
(config)#router ospf 100 | Enter the Router OSPF mode |
(config-router)#network 44.44.44.44/32 area 0.0.0.0 | Advertise loopback address in OSPF |
(config-router)#network 30.30.30.2/24 area 0.0.0.0 | Advertise network address (eth1) in OSPF. |
(config-router)#exit | Exit OSPF router configuration mode. |
Virtual Circuit Configuration
RTR1
Global VC Configuration
(config)#mpls l2-circuit t1 100 44.44.44.44 | Enter the VC configuration command in router mode. |
(config)#bridge 1 protocol ieee vlan-bridge | Creating a VLAN-bridge in router mode. |
Interface Configuration
(config)#service-template st1 | Template configuration |
(config-svc)#exit | Exit service template configuration |
(config)#interface eth1 | Enter interface mode for eth1. |
(config-if)#switchport | Enable switchport on the interface. |
(config-if)#mpls-l2-circuit t1 service-template st1 | Bind the interface to VC created in ethernet mode. |
(config-if)#exit | Exit interface mode. |
RTR4
Global VC Configuration
(config)#mpls l2-circuit t1 100 11.11.11.11 | Enter the VC configuration command in router mode. |
(config)#bridge 1 protocol ieee vlan-bridge | Creating a VLAN-bridge in router mode. |
Interface Configuration
(config)#service-template st1 | Template configuration |
(config-svc)#exit | Exit service template mode |
(config)#interface eth2 | Enter interface mode for eth2. |
(config-if)#switchport | Enable switchport on the interface. |
(config-if)#mpls-l2-circuit t1 service-template st1 | Bind the interface to VC created in ethernet mode. |
(config-if)#exit | Exit interface mode. |
Last modified date: 07/13/2023