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ASBR-PE 1 and ASBR-PE 2 use EBGP to exchange labeled IPv4 routes.
Figure 75 Network diagram
Table 18 Interface and IP address assignment
Device
PE 1
ASBR-PE 1
CE 1
Configuration procedure
1.
Configure CE 1:
# Configure an IP address for Gigabitethernet 2/0/1.
<CE1> system-view
[CE1] interface gigabitethernet 2/0/1
[CE1-GigabitEthernet2/0/1] ip address 30.0.0.2 24
[CE1-GigabitEthernet2/0/1] quit
# Establish an EBGP peer relationship with PE 1, and redistribute VPN routes.
[CE1] bgp 65001
[CE1-bgp] peer 30.0.0.1 as-number 100
[CE1-bgp] address-family ipv4 unicast
[CE1-bgp-ipv4] peer 30.0.0.1 enable
[CE1-bgp-ipv4] import-route direct
[CE1-bgp-ipv4] quit
[CE1-bgp] quit
2.
Configure PE 1:
# Configure IS-IS on PE 1.
Interface
IP address
Loop0
2.2.2.9/32
GE2/0/1
30.0.0.1/24
S2/1/0
1.1.1.2/8
Loop0
3.3.3.9/32
S2/1/0
1.1.1.1/8
S2/1/1
11.0.0.2/8
GE2/0/1
30.0.0.2/24
Device
PE 2
ASBR-PE 2
CE 2
268
Interface
IP address
Loop0
5.5.5.9/32
GE2/0/1
20.0.0.1/24
S2/1/0
9.1.1.2/8
Loop0
4.4.4.9/32
S2/1/0
9.1.1.1/8
S2/1/1
11.0.0.1/8
GE2/0/1
20.0.0.2/24
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