CLI Guide

neighbor update-source
Enable the E-Series software to use Loopback interfaces for TCP connections for BGP sessions.
Syntax
neighbor {ip-address | peer-group-name} update-source interface
To use the closest interface, use the no neighbor {ip-address | peer-
group-name} update-source interface command.
Parameters
ip-address Enter the IP address of the peer router in dotted decimal
format.
peer-group-name Enter the name of the peer group to disable all routers
within the peer group.
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,
see the relevant Dell Networking OS Command Line Reference Guide.
Version Description
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000–ON.
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the S-Series.
7.7.1.0 Introduced on the C-Series.
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.
Border Gateway Protocol
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