Configure router bgp neighbor update_source, Configure, Router – Foundry Networks AR3202-CL User Manual
Page 88: Neighbor, Update, Source

BGP4 Configure Commands
June 2004
© 2004 Foundry Networks, Inc.
7 - 31
configure router bgp neighbor update_source
This command configures the source of BGP TCP connections for a specified neighbor as the IP address
specified, instead of the IP address of a physical interface.
This address will be used as the source address for routing updates.
syntax:
[ no ] update_source < IP address >
example:
Foundry-AR1208/configure/router/bgp 10/neighbor 101.101.1.2 4# update_source 10.10.2.1
applicable systems:
All models.