249
# Configure Loopback 0, and enable IS-IS on it.
[PE2] interface loopback 0
[PE2-LoopBack0] ip address 5.5.5.9 32
[PE2-LoopBack0] isis enable 1
[PE2-LoopBack0] quit
# Create VPN instance vpn1, and configure the RD and route target attributes.
[PE2] ip vpn-instance vpn1
[PE2-vpn-instance-vpn1] route-distinguisher 11:11
[PE2-vpn-instance-vpn1] vpn-target 1:1 2:2 3:3 import-extcommunity
[PE2-vpn-instance-vpn1] vpn-target 3:3 export-extcommunity
[PE2-vpn-instance-vpn1] quit
# Associate VLAN-interface 12 with VPN instance vpn1, and specify the IP address for the
interface.
[PE2] interface vlan-interface 12
[PE2-Vlan-interface12] ip binding vpn-instance vpn1
[PE2-Vlan-interface12] ip address 20.0.0.1 24
[PE2-Vlan-interface12] quit
# Enable BGP on PE 2.
[PE2] bgp 600
# Enable the capability to advertise labeled routes to IBGP peer 4.4.4.9 and to receive labeled
routes from the peer.
[PE2-bgp-default] peer 4.4.4.9 as-number 600
[PE2-bgp-default] peer 4.4.4.9 connect-interface loopback 0
[PE2-bgp-default] address-family ipv4 unicast
[PE2-bgp-default-ipv4] peer 4.4.4.9 enable
[PE2-bgp-default-ipv4] peer 4.4.4.9 label-route-capability
[PE2-bgp-default-ipv4] quit
# Configure the maximum hop count from PE 2 to EBGP peer 2.2.2.9 as 10.
[PE2-bgp-default] peer 2.2.2.9 as-number 100
[PE2-bgp-default] peer 2.2.2.9 connect-interface loopback 0
[PE2-bgp-default] peer 2.2.2.9 ebgp-max-hop 10
# Configure peer 2.2.2.9 as a VPNv4 peer.
[PE2-bgp-default] address-family vpnv4
[PE2-bgp-default-vpnv4] peer 2.2.2.9 enable
[PE2-bgp-default-vpnv4] quit
# Establish an EBGP peer relationship with CE 2, and add the learned BGP routes to the
routing table of VPN instance vpn1.
[PE2-bgp-default] ip vpn-instance vpn1
[PE2-bgp-default-vpn1] peer 20.0.0.2 as-number 65002
[PE2-bgp-default-vpn1] address-family ipv4 unicast
[PE2-bgp-default-ipv4-vpn1] peer 20.0.0.2 enable
[PE2-bgp-default-ipv4-vpn1] quit
[PE2-bgp-default-vpn1] quit
[PE2-bgp-default] quit
6. Configure CE 2:
# Configure an IP address for VLAN-interface 12.
<CE2> system-view
[CE2] interface vlan-interface 12
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