4000 Router Series MPLS Configuration Guide

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# Configure PE 3.

[PE3] ip vpn-instance SUB_VPN1

[PE3-vpn-instance-SUB_VPN1] route-distinguisher 100:1

[PE3-vpn-instance-SUB_VPN1] vpn-target 2:1

[PE3-vpn-instance-SUB_VPN1] quit

[PE3] interface ethernet 1/1

[PE3-Ethernet1/1] ip binding vpn-instance SUB_VPN1

[PE3-Ethernet1/1] ip address 100.1.1.2 24

[PE3-Ethernet1/1] quit

[PE3] ip vpn-instance SUB_VPN2

[PE3-vpn-instance-SUB_VPN2] route-distinguisher 101:1

[PE3-vpn-instance-SUB_VPN2] vpn-target 2:2

[PE3-vpn-instance-SUB_VPN2] quit

[PE3] interface ethernet 1/2

[PE3-Ethernet1/2] ip binding vpn-instance SUB_VPN2

[PE3-Ethernet1/2] ip address 110.1.1.2 24

[PE3-Ethernet1/2] quit

[PE3] bgp 200

[PE3-bgp] ip vpn-instance SUB_VPN1

[PE3-bgp-SUB_VPN1] peer 100.1.1.1 as-number 65410

[PE3-bgp-SUB_VPN1] address-family ipv4 unicast

[PE3-bgp-ipv4-SUB_VPN1] peer 100.1.1.1 enable

[PE3-bgp-ipv4-SUB_VPN1] import-route direct

[PE3-bgp-ipv4-SUB_VPN1] quit

[PE3-bgp-SUB_VPN1] quit

[PE3-bgp] ip vpn-instance SUB_VPN2

[PE3-bgp-SUB_VPN2] peer 110.1.1.1 as-number 65411

[PE3-bgp-SUB_VPN2] address-family ipv4 unicast

[PE3-bgp-ipv4-SUB_VPN2] peer 110.1.1.1 enable

[PE3-bgp-ipv4-SUB_VPN2] import-route direct

[PE3-bgp-ipv4-SUB_VPN2] quit

[PE3-bgp-SUB_VPN2] quit

[PE3-bgp] quit

# Configure PE 4, CE 4 and CE 6 in the same way that PE 3, CE 3, and CE 5 are configured.

(Details not shown.)

5. Establish MP-EBGP peer relationship between service provider PEs and their CEs to exchange user

VPNv4 routes:

# On PE 1, enable nested VPN, and enable VPNv4 route exchange with CE 1.

[PE1] bgp 100

[PE1-bgp] address-family vpnv4

[PE1-bgp-vpnv4] nesting-vpn

[PE1-bgp-vpnv4] quit

[PE1-bgp] ip vpn-instance vpn1

[PE1-bgp-vpn1] address-family vpnv4

[PE1-bgp-vpnv4-vpn1] peer 11.1.1.1 enable

[PE1-bgp-vpnv4-vpn1] quit

[PE1-bgp-vpn1] quit

[PE1-bgp] quit