Configuring bgp as number substitution – H3C Technologies H3C S12500-X Series Switches User Manual

Page 188

Advertising
background image

177

[PE1-isis-1] quit

[PE1] interface loopback 0

[PE1-LoopBack0] isis enable 1

[PE1-LoopBack0] quit

[PE1] interface vlan-interface 2

[PE1-Vlan-interface2] ip address 30.1.1.1 24

[PE1-Vlan-interface2] isis enable 1

[PE1-Vlan-interface2] mpls enable

[PE1-Vlan-interface2] mpls ldp enable

[PE1-Vlan-interface2] quit

[PE1] bgp 100

[PE1-bgp] peer 4.4.4.9 as-number 100

[PE1-bgp] peer 4.4.4.9 connect-interface loopback 0

[PE1-bgp] address-family vpnv4

[PE1-bgp-vpnv4] peer 4.4.4.9 enable

[PE1-bgp-vpnv4] quit

[PE1-bgp] quit

# Configure PE 2 in the same way that PE 1 is configured. (Details not shown.)
After completing the configurations, execute commands display mpls ldp peer, display bgp peer
vpnv4, and display isis peer on either PE 1 or PE 2. The output shows that the LDP session, the BGP
peer relationship, and the IS-IS neighbor relationship have been established.
Take PE 1 as an example:

[PE1] display mpls ldp peer

Total number of peers: 1

Peer LDP ID State LAM Role GR MD5 KA Sent/Rcvd

4.4.4.9:0 Operational DU Active Off Off 8/8

[PE1] display bgp peer vpnv4

BGP local router ID: 3.3.3.9

Local AS number: 100

Total number of peers: 1 Peers in established state: 1

Peer AS MsgRcvd MsgSent OutQ PrefRcv Up/Down State

4.4.4.9 100 3 6 0 0 00:00:32 Established

[PE1] display isis peer

Peer information for ISIS(1)

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

System Id: 0000.0000.0005

Interface: Vlan-interface2 Circuit Id: 0000.0000.0005.02

State: Up HoldTime: 8s Type: L1(L1L2) PRI: 64

System Id: 0000.0000.0005

Interface: Vlan-interface2 Circuit Id: 0000.0000.0005.02

State: Up HoldTime: 8s Type: L2(L1L2) PRI: 64

2.

Configure the customer VPN. Use IS-IS as the IGP protocol, and enable LDP between PE 3 and CE
1, and between PE 4 and CE 2:

Advertising