Dell Command Line Reference Guide for the S4048–ON System 9.14.2.5

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neighbor default-originate

Inject the default route to a BGP peer or neighbor.

Syntax
neighbor {ip-address | peer-group-name} default-originate [route-map map-name]

To remove a default route, use the no neighbor {ip-address | peer-group-name} default-originate command.

Parameters
ip-address
(OPTIONAL) Enter the IP address of the neighbor in dotted decimal format.
peer-group-name
Enter the name of the peer group to set the default route of all routers in that peer group.
route-map map-name
(OPTIONAL) Enter the keyword route-map then the name of a configured route map.
Defaults
Not configured.
Command Modes
ROUTER BGP
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100.
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
If you apply a route map to a BGP peer or neighbor with the neighbor default-originate command configured, the software does not apply the set filters in the route map to that BGP peer or neighbor.

When you configure a route-map for a BGP peer or peer group with the neighbor default-originate command, the command checks for the existence of the route in BGP RIB.

Route-map configuration on a BGP peer or peer group works only when the LOC-RIB contains at least one route.

When you apply a default route to a BGP peer or peer group using the neighbor default-originate command, changes to the configured default route-map are applied to the BGP peer or peer group only after a delay of 15 seconds. As a result, you must wait for a period of 15 seconds before manually resetting BGP using the clear ip bgp command.

In case of eBGP, the neighbor default-originate command does not support extended-community as a non-transtive route-map attribute.

You cannot set this configuration for a peer that is associated with a peer group. Similarly, you cannot associate a peer to a peer group if that peer is already configured with these settings.

In order that settings corresponding to the neighbor default-originate command take effect, you must execute the clear ip bgp command immediately after you execute the neighbor default-originate command.


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