Reference Guide

neighbor update-source
Enable the software to use Loopback interfaces for TCP connections for BGP sessions.
Z9000
Syntax
neighbor {ipv6-address | peer-group-name} update-source
loopback interface
To use the closest interface, use the no neighbor {ipv6-address | peer-
group-name} update-source loopback interface command.
Parameters
ipv6-address Enter the IPv6 address in the x:x:x:x::x format.
NOTE: The :: notation specifies successive hexadecimal fields of
zeros.
peer-group-name Enter the name of the peer group to set the timers for all routers
within the peer group.
loopback
interface
Enter the keyword loopback then a number of the loopback
interface. The range is from 0 to 16383.
Defaults Not configured.
Command Modes ROUTER BGP
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant Dell FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.4.2.1 Introduced on the C-Series and S4810.
Version 8.2.1.0 Introduced on the E-Series ExaScale.
Version 7.4.1.0 Introduced on the E-Series TeraScale.
Usage
Information
Loopback interfaces are up constantly and the BGP session may need one interface constantly
up to stabilize the session. The neighbor update-source command is not necessary for
directly connected internal BGP sessions.
neighbor weight
Assign a weight to the neighbor connection, which is used to determine the best path.
Z9000
Syntax
neighbor {ipv6-address | peer-group-name} weight weight
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