Huawei AR1200 series Configuration Manual page 174

Huawei AR1200 Series Enterprise Routers
Configuration Guide - VPN
Run the display bgp routing-table peer received-routes command on CE2. It shows that CE2
does not receive the route to 100.1.1.0/24.
[CE2] display bgp routing-table peer 10.2.1.2 received-routes
Total Number of Routes: 4
BGP Local router ID is 10.2.1.1
Status codes: * - valid, > - best, d - damped,
*>
*>
*
*>
Step 2 Substitute the BGP AS number.
# Substitute the BGP AS number on the PEs.
Consider PE2 as an example.
[PE2] bgp 100
[PE2-bgp] ipv4-family vpn-instance vpn1
[PE2-bgp-vpn1] peer 10.2.1.1 substitute-as
Display the routing information and routing table received by CE2.
[CE2] display bgp routing-table peer 10.2.1.2 received-routes
Total Number of Routes: 6
BGP Local router ID is 10.2.1.1
Status codes: * - valid, > - best, d - damped,
*>
*>
*>
*
*
*>
[CE2] display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destination/Mask
GigabitEthernet2/0/0
Configure the BGP AS number substitution function on the PE1. The GigabitEthernet interfaces
of CE1 and CE2 can then ping through each other.
Issue 01 (2012-04-20)
10.1.1.0/24 EBGP
10.1.1.1/32 EBGP
10.1.1.2/32 EBGP
10.2.1.0/24 Direct
10.2.1.1/32 Direct
10.2.1.2/32 Direct
100.1.1.0/24 EBGP
200.1.1.0/24 EBGP
h - history,
Origin : i - IGP, e - EGP, ? - incomplete
Network NextHop
10.1.1.0/24 10.2.1.2
10.1.1.1/32 10.2.1.2
10.2.1.0/24 10.2.1.2
10.2.1.1/32 10.2.1.2
h - history,
Origin : i - IGP, e - EGP, ? - incomplete
Network NextHop
10.1.1.0/24 10.2.1.2
10.1.1.1/32 10.2.1.2
10.1.1.2/32 10.2.1.2
10.2.1.0/24 10.2.1.2
10.2.1.1/32 10.2.1.2
100.1.1.0/24 10.2.1.2
Destinations : 10
Proto
10.1.1.0/24 EBGP
10.1.1.1/32 EBGP
10.2.1.0/24 Direct 0
10.2.1.1/32 Direct 0
10.2.1.2/32 Direct 0
100.1.1.1/24 EBGP
127.0.0.0/8 Direct 0
127.0.0.1/32 Direct 0
200.1.1.0/24 Direct 0
200.1.1.1/32 Direct 0
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255 0 RD
255 0 RD
255 0 RD
0 0 D
0 0 D
0 0 D
255 0 RD
255 0 D
i - internal, s - suppressed, S - Stale
MED
0
0
i - internal, s - suppressed, S - Stale
MED
0
0
Routes : 10
Pre Cost Flags
255 0 D
255 0 D
0 D
0 D
0 D
255 0 D
0 D
0 D
0 D
0 D
3 BGP MPLS IP VPN Configuration
1.1.1.9 GigabitEthernet2/0/0
1.1.1.9 GigabitEthernet2/0/0
1.1.1.9 GigabitEthernet2/0/0
10.2.1.2 GigabitEthernet1/0/0
10.2.1.1 GigabitEthernet1/0/0
127.0.0.1 InLoopBack0
1.1.1.9 GigabitEthernet2/0/0
10.2.1.1 GigabitEthernet1/0/0
LocPrf PrefVal Path/Ogn
0 100?
0 100?
0 100?
0 100?
LocPrf PrefVal Path/Ogn
0 100?
0 100?
0 100 100?
0 100?
0 100?
0 100 100?
NextHop Interface
10.2.1.2 GigabitEthernet1/0/0
10.2.1.2 GigabitEthernet1/0/0
10.2.1.1 GigabitEthernet1/0/0
127.0.0.1 InLoopBack0
10.2.1.2 GigabitEthernet1/0/0
10.2.1.2 GigabitEthernet1/0/0
127.0.0.1 InLoopBack0
127.0.0.1 InLoopBack0
127.0.0.1
127.0.0.1 InLoopBack0
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