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Dell EMC SmartFabric OS10 User Guide Release 10.5.0

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fast-external-fallover

Resets BGP sessions immediately when a link to a directly connected external peer fails.

Syntax
fast-external-fallover
Parameters
None
Default
Not configured
Command Mode
ROUTER-BGP
Usage Information
Fast external fall-over terminates the EBGP session immediately after the IP unreachability or link failure is detected. This only applies after you manually reset all existing BGP sessions. For the configuration to take effect, use the clear ip bgp command. The no version of this command disables fast external fallover.
NOTE To configure these settings for a non default VRF instance, you must first enter the ROUTER-CONFIG-VRF sub mode using the following commands:
  1. Enter the ROUTER BGP mode using the router bgp as-number command.
  2. From the ROUTER BGP mode, enter the ROUTER BGP VRF mode using the vrf vrf-name command.
Example
OS10(conf-router-bgp-10)# fast-external-fallover
Supported Releases
10.3.0E or later

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