Cisco Cisco IOS Software Release 12.4(11)T
BGP per Neighbor SoO Configuration
How to Configure BGP per Neighbor SoO
3
Multiple Cisco IOS Releases
Figure 1
Network Diagram for SoO Example
Benefits of BGP per Neighbor Site of Origin
In releases prior to Cisco IOS Release 12.4(11)T and 12.2(33)SRB, the SoO extended community
attribute is configured using an inbound route map that sets the SoO value during the update process.
The introduction of two new commands under address family IPv4 VRF configuration mode simplifies
the SoO value configuration.
attribute is configured using an inbound route map that sets the SoO value during the update process.
The introduction of two new commands under address family IPv4 VRF configuration mode simplifies
the SoO value configuration.
How to Configure BGP per Neighbor SoO
To configure an SoO value for a BGP neighbor, you must perform the first task in the following list and
one of the next three tasks. The last three tasks are mutually exclusive; you need perform only one of
them.
one of the next three tasks. The last three tasks are mutually exclusive; you need perform only one of
them.
•
•
•
•
Enabling CEF and Configuring VRF Instances
Perform this task on both of the PE routers in
to configure Virtual Routing and Forwarding
(VRF) instances to be used with the per-VRF assignment tasks. In this task, CEF is enabled, and a VRF
instance named SOO_VRF is created. To make the VRF functional, a route distinguisher is created, and
instance named SOO_VRF is created. To make the VRF functional, a route distinguisher is created, and
192.168.1.2
192.168.2.2
192.168.1.1
192.168.2.1
PE1
PE2
CPE1
AS 65000
CPE2
230446
iBGP
eBGP
eBGP
VPN backbone
iBGP