Typical L2VPN-SVC Configuration

Typical L2VPN-SVC Configuration

[Requirements]

Set up an L2VPN SVC connection between the S2/0/0 of CE-A and the S2/0/0 of CE-B.

[Networking diagram]

[Configuration script]

Configuration script (CE-A)

# sysname CE-A # radius scheme system # domain system # interface Serial2/0/0 link-protocol ppp ip address 192.168.21.1 255.255.255.0 # interface NULL0 # user-interface con 0 user-interface vty 0 4 # return

Configuration script (PE-A)

# sysname PE-A # router id 1.1.1.1 # mpls lsr-id 1.1.1.1 # mpls l2vpn              /Enable MPLS L2VPN/ # # radius scheme system # mpls # mpls ldp # domain system # interface Serial2/0/0 link-protocol ppp mpls static-l2vc destination 3.3.3.3 transmit-vpn-label 100 receive-vpn-label 300 /Create an SVC connection to CE-B/ # interface Serial2/0/1 link-protocol ppp ip address 10.0.0.1 255.255.255.252 mpls mpls ldp enable # interface NULL0 # interface LoopBack0 ip address 1.1.1.1 255.255.255.255 # ospf 1 area 0.0.0.0 network 1.1.1.1 0.0.0.0 network 10.0.0.0 0.0.0.3 # user-interface con 0 user-interface vty 0 4 # return

Configuration script (P)

# sysname P # router id 2.2.2.2 # mpls lsr-id 2.2.2.2 # mpls l2vpn # # radius scheme system # mpls # mpls ldp # domain system # interface Serial2/0/0 link-protocol ppp ip address 10.0.0.2 255.255.255.252 mpls mpls ldp enable # interface Serial2/0/1 link-protocol ppp ip address 10.0.0.5 255.255.255.252 mpls mpls ldp enable # interface NULL0 # interface LoopBack0 ip address 2.2.2.2 255.255.255.255 # ospf 1 area 0.0.0.0 network 2.2.2.2 0.0.0.0 network 10.0.0.0 0.0.0.3 network 10.0.0.4 0.0.0.3 # user-interface con 0 user-interface vty 0 4 # return

Configuration script (PE-B)

# sysname PE-B # router id 3.3.3.3 # mpls lsr-id 3.3.3.3 # mpls l2vpn # # radius scheme system # mpls # mpls ldp # domain system # interface Serial2/0/0 link-protocol ppp ip address 10.0.0.6 255.255.255.252 mpls mpls ldp enable # interface Serial2/0/1 link-protocol ppp mpls static-l2vc destination 1.1.1.1 transmit-vpn-label 300 receive-vpn-label 100 /Create an SVC connection to CE-A/ # interface NULL0 # interface LoopBack0 ip address 3.3.3.3 255.255.255.255 # ospf 1 area 0.0.0.0 network 2.2.2.2 0.0.0.0 network 3.3.3.3 0.0.0.0 network 10.0.0.4 0.0.0.3 # user-interface con 0 user-interface vty 0 4 # return

Configuration script (CE-B)

# sysname CE-B # radius scheme system # domain system # interface Serial2/0/0 link-protocol ppp ip address 192.168.21.2 255.255.255.0 # interface NULL0 # user-interface con 0 user-interface vty 0 4 # return

 

[Verification]

Display the SVC connection state on PE-A:

[PE-A]disp mpls static-l2vc

total connections:  1,  1 up,  0 down

ce-intf           state destination     tr-label  rcv-label tnl-type tnl-index

Serial2/0/0       up    3.3.3.3         100       300       LSP      2

 

Display the LSP on PE-A:

[PE-A]disp mpls lsp

 

-----------------------------------------------------------------------

LSP Information: Ldp Lsp

-----------------------------------------------------------------------

 

TOTAL:  3 Record(s) Found.

 

NO    FEC                 NEXTHOP         I/O-LABEL    OUT-INTERFACE

1     1.1.1.1/32          127.0.0.1       3/-----      -------

2     2.2.2.2/32          10.0.0.2        -----/3      S2/0/1

3     3.3.3.3/32          10.0.0.2        -----/1024   S2/0/1

 

Display the LSP on P:

[P]disp mpls lsp

 

-----------------------------------------------------------------------

LSP Information: Ldp Lsp

-----------------------------------------------------------------------

 

TOTAL:  6 Record(s) Found.

 

NO    FEC                 NEXTHOP         I/O-LABEL    OUT-INTERFACE

1     1.1.1.1/32          10.0.0.1        -----/3      S2/0/0

2     2.2.2.2/32          127.0.0.1       3/-----      -------

3     3.3.3.3/32          10.0.0.6        -----/3      S2/0/1

4     3.3.3.3/32          10.0.0.6        1024/3       S2/0/1

5     1.1.1.1/32          10.0.0.1        1025/3       S2/0/0

6     2.2.2.2/32          127.0.0.1       3/-----      -------

 

Display the LSP on PE-B:

[PE-B]disp mpls lsp

 

-----------------------------------------------------------------------

LSP Information: Ldp Lsp

-----------------------------------------------------------------------

 

TOTAL:  3 Record(s) Found.

 

NO    FEC                 NEXTHOP         I/O-LABEL    OUT-INTERFACE

1     3.3.3.3/32          127.0.0.1       3/-----      -------

2     1.1.1.1/32          10.0.0.5        -----/1025   S2/0/0

3     2.2.2.2/32          10.0.0.5        -----/3      S2/0/0

 

Display the SVC connection state on PE-B:

[PE-B]disp mpls static-l2vc

total connections:  1,  1 up,  0 down

ce-intf           state destination     tr-label  rcv-label tnl-type tnl-index

Serial2/0/1       up    1.1.1.1         300       100       LSP      1