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BGP and BGP4+ Commands
Software Reference Supplement for SwitchBlade® x8112, x908, x900 and x610 Series Switches
C613-50032-01 REV D AlliedWare Plus
TM
Operating System - Software Version 5.4.3-2.6 3.185
neighbor update-source (BGP and BGP4+)
Use this command to specify the source IPv4 or IPv6 address of BGP or BGP4+ packets,
which are sent to the neighbor for routing updates, as the IPv4 or IPv6 address configured
on the specified interface. The specified interface is usually the local loopback (lo)
interface to allow internal BGP or BGP4+ connections to stay up regardless of which
interface is used to reach a neighbor.
Use the no variant of this command to remove the IPv4 or IPv6 address from the interface
as the source IPv4 or IPv6 address of BGP or BGP4+ packets sent to the neighbor, and
restores the interface assignment to the closest interface, which is also called the best
local address.
Syntax [BGP/BGP4+] neighbor <neighborid> update-source <interface>
no neighbor <neighborid> update-source
Default [BGP/BGP4+]
Use of this command sets a default value of 2 for the maximum hop count.
Mode [BGP] Router Configuration or IPv4 Address Family Configuration for a VRF instance
Mode [BGP4+] Router Configuration
Usage [BGP/BGP4+] Use this command in conjunction with any specified interface on the router. The local
loopback interface is the interface that is most commonly used with this command. The
use of local loopback interface eliminates a dependency and BGP or BGP4+ does not have
to rely on the availability of a particular interface for making BGP or BGP4+ peer
relationships.
Parameter Description
<neighborid> {<ip-address>|<ipv6-addr>|<peer-group>}
<ip-address> Specify the address of an IPv4 BGP neighbor, in
dotted decimal notation A.B.C.D.
<ipv6-addr> Specify the address of an IPv6 BGP4+ neighbor,
entered in hexadecimal in the format X:X::X:X.
<peer-group> Enter the name of an existing peer-group. For
information on how to create peer groups, refer
to the neighbor peer-group (add a neighbor)
(BGP and BGP+) command on page 3.144, and
neighbor route-map (BGP and BGP4+)
command on page 3.159. When this parameter
is used with this command, the command
applies on all peers in the specified group.
<interface> Specifies the local loopback interface (lo).