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IPv6 BGP Application Example Configuring BGP
page 4-78 OmniSwitch 6800/6850/9000 Advanced Routing Configuration Guide December 2007
IPv6 BGP Application Example
The following simple network using EBGP and IBGP will demonstrate some of the basic BGP setup
commands discussed previously:
In the above network, Speakers 1, 2, and 3 are part of AS 100 and are fully meshed. Speaker 4 is in AS
200. Speaker 3 is part of a homogenous IPv6 network domain (i.e. pure IPv6 network), internal to AS 100.
Speaker 5 in AS 300 is not aware of IPv6 capabilities.
AS 100
BGP Speaker 1
Assign the speaker to AS 100:
-> ip bgp autonomous-system 100
Enable IPv6 BGP unicast:
-> ipv6 bgp unicast
Peer with the other speakers in AS 100 (for internal BGP, and to create a fully meshed BGP network):
-> ip interface Link_To_Speaker2 vlan 2
-> ip interface Link_To_Speaker2 address 10.0.0.1/24
-> ipv6 interface Link_To_Speaker2 vlan 2
-> ipv6 address 2001:DB8:C17:1::1/64 Link_To_Speaker2
-> ipv6 bgp neighbor 2001:DB8:C17:1::2
-> ipv6 bgp neighbor 2001:DB8:C17:1::2 remote-as 100
-> ipv6 bgp neighbor 2001:DB8:C17:1::2 activate-ipv6
-> ipv6 bgp neighbor 2001:DB8:C17:1::2 ipv4-nexthop 10.0.0.1
-> ipv6 bgp neighbor 2001:DB8:C17:1::2 status enable
BGP Speaker 3
2001:DB8:C18:1::2/64
2001:DB8:C19:1::2/64
AS 100
AS 200 AS 300
EBGP
EBGP
IBGP
BGP Speaker 5
30.0.0.1/24
BGP Speaker 1
10.0.0.1/24
20.0.0.2/24
2001:DB8:C17:1::1/64
2001:DB8:C18:1::1/64
2001:ABCD:B02:1::2/64
BGP Speaker 2
10.0.0.2/24
30.0.0.2/24
2001:DB8:C17:1::2/64
2001:DB8:C19:1::1/64
BGP Speaker 4
20.0.0.1/24
2001:ABCD:B02:1::1/64