SAToP Pseudowire Creation
This procedure show how to establish the pseudowire between provider edge routers. The configuration assumes that you are running the ospfd, ldpd, mstpd, nsm, and imi daemons.
Topology
Figure 12-1: Three router topology for PW creation
Rtr1
#configure terminal | Enter configure mode |
(config)#hostname Rtr1 | Configure the name of the host as Rtr1 |
Rtr1(config)#interface eth7 | Enter interface mode |
Rtr1(config-if)#ip address 1.1.1.1/24 | Assign IP address 1.1.1.1 to the interface |
Rtr1(config-if)#exit | Exit interface mode |
Rtr1(config)#int lo | Enter interface mode |
Rtr1(config-if)#ip address 2.2.2.2/32 | Assign an IP address to the loopback interface |
Rtr1(config-if)#exit | Exit interface mode |
Rtr1(config)#router ospf | Enter OSPF router mode |
Rtr1(config-router)#network 2.2.2.2/32 area 0 | Define the interface on which OSPF runs and associate the area ID (0) with the interface |
Rtr1(config-router)#network 1.1.1.1/24 area 0 | Define the interface on which OSPF runs and associate the area ID (0) with the interface |
Rtr1(config-router)#exit | Exit OSPF router mode |
Rtr1(config)#router ldp | Enter LDP router mode |
Rtr1(config-router)#targeted-peer ipv4 4.4.4.4 | Configure the target peer IP address |
Rtr1(config-router-targeted-peer)#exit | Exit LDP targeted peer mode |
Rtr1(config-router)#exit | Exit LDP router mode |
Rtr1(config)#int eth7 | Enter interface mode |
Rtr1(config-if)#enable-ldp ipv4 | Enable the LDP protocol on eth1 |
Rtr1(config-if)#label-switching | Enable label switching on interface eth1 |
Rtr1(config-if)#exit | Exit the LDP configuration mode |
Rtr1(config)#int tdm 5 | Enter interface mode |
Rtr1(config-if)#tdm payload bytes 200 | Configure the TDM payload bytes to 200 |
Rtr1(config-if))#mpls-l2-circuit vc1 tdm-T1 | Bind the T1 interface to the pseudowire |
Rtr1(config-if)#exit | Exit interface configuration mode |
Rtr1(config)#mpls l2-circuit vc1 10 4.4.4.4 | Configure a Virtual Circuit for PE1. In this example, vc1 is the VC name, 10 is the VC ID, and 4.4.4.4 is the Endpoint IP address. |
(config-pseduowire)#exit | Exit pseudowire mode. |
Rtr2
#configure terminal | Enter configure mode |
(config)#hostname Rtr2 | Configure the name of the host as Rtr2 |
Rtr2(config)#int eth2 | Enter interface mode |
Rtr2(config-if)#ip address 1.1.1.2/24 | Assign IP address 1.1.1.2 to the interface |
Rtr2(config-if)#exit | Exit interface mode |
Rtr2(config)#int eth3 | Enter interface mode |
Rtr2(config-if)#ip address 5.5.5.1/24 | Assign IP address 5.5.5.1 to the interface |
Rtr2(config-if)#exit | Exit interface mode. |
Rtr2(config)#int lo | Enter interface mode |
Rtr2(config-if)#ip address 3.3.3.3/32 | Assign IP address 3.3.3.3 to the loopback interface |
Rtr2(config-if)#exit | Exit interface mode |
Rtr2(config)#router ospf | Enter OSPF router mode |
Rtr1(config-router)#network 3.3.3.3/32 area 0 | Define the interface on which OSPF runs and associate the area ID (0) with the interface |
Rtr2(config-router)#network 1.1.1.2/24 area 0 | Define the interface on which OSPF runs and associate the area ID (0) with the interface |
Rtr2(config-router)#network 5.5.5.1/24 area 0 | Define the interface on which OSPF runs and associate the area ID (0) with the interface |
Rtr2(config-router)#exit | Exit OSPF router mode |
Rtr2(config)#int eth2 | Enter interface mode |
Rtr2(config-if)#enable ldp ipv4 | Enable the LDP protocol on eth1 |
Rtr2(config-if)#label switching | Enable label switching on interface eth1 |
Rtr2(config-if)#exit | Exit interface mode |
Rtr2(config)#int eth3 | Enter interface mode |
Rtr2(config-if)#enable ldp ipv4 | Enable the LDP protocol on eth2 |
Rtr2(config-if)#label switching | Enable label switching on interface eth2 |
Rtr2(config-if)#exit | Exit interface mode |
Rtr3
#configure terminal | Enter configure mode |
(config)#hostname Rtr3 | Configure the name of the host as Rtr3 |
Rtr3(config)#interface eth2 | Enter interface mode |
Rtr3(config-if)#ip address 5.5.5.2/24 | Assign IP address 5.5.5.2 to the interface |
Rtr3(config-if)#exit | Exit interface mode |
Rtr3(config)#int lo | Enter interface mode |
Rtr3(config-if)#ip address 4.4.4.4/32 | Assign an IP address to the loopback interface |
Rtr3(config-if)#exit | Exit interface mode |
Rtr3(config)#router ospf | Enter OSPF router mode |
Rtr3(config-router)#network 4.4.4.4./32 area 0 | Define the interface on which OSPF runs and associate the area ID (0) with the interface |
Rtr3(config-router)#network 5.5.5.2/24 area 0 | Define the interface on which OSPF runs and associate the area ID (0) with the interface |
Rtr3(config-router)#exit | Exit OSPF router mode |
Rtr3(config)#router ldp | Enter LDP router mode |
Rtr3(config-router)#targeted-peer ipv4 2.2.2.2 | Configure the target peer IP address |
Rtr3(config-router-targeted-peer)#exit | Exit LDP router mode |
Rtr3(config-router)#exit | Exit the router mode |
Rtr3(config)#int eth2 | Enter interface mode |
Rtr3(config-if)#enable-ldp ipv4 | Enable the LDP protocol on eth1 |
Rtr3(config-if)#label-switching | Enable label switching on interface eth1 |
Rtr3(config-if)#exit | Exit interface mode |
Rtr3(config)#int tdm 5 | Enter interface mode |
Rtr1(config-if)#tdm payload bytes 200 | Configure the TDM payload bytes to be 200 bytes |
Rtr3(config-if))#mpls-l2-circuit vc1 tdm-T1 | Bind the T1 interface to the pseudowire |
Rtr3(config-if)#exit | Exit interface mode |
Rtr3(config)#mpls l2-circuit vc1 10 2.2.2.2 | Configure a Virtual Circuit for PE1. In this example, vc1 is the VC name, 10 is the VC ID, and 2.2.2.2 is the endpoint IP address. |
(config-pseduowire)#exit | Exit pseudowire mode. |
Validation
Verify on Rtr1 or Rtr3 that the LDP session is operating and that the PW is set-up successfully.
rtr1#show ldp session
Peer IP Address IF Name My Role State KeepAlive
4.4.4.4 eth7 Passive OPERATIONAL 30
3.3.3.3 eth7 Passive OPERATIONAL 30
rtr1#show ldp mpls-l2-circuit
Transport Client VC VC Local Remote Destination
VC ID Binding State Type VC Label VC Label Address
10 tdm5 UP tdm-E1 16 16 4.4.4.4
Last modified date: 07-13-2023