Dell C1048P Port Extender Networking Command-Line Reference Guide for the C900 - Page 362
bgp fast-external-fallover
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Version 8.3.19.0 8.3.11.1 8.3.7.0 7.8.1.0 7.7.1.0 7.4.1.0 Description Introduced on the S4820T. Introduced on the Z9000. Introduced on the S4810. Introduced on the S-Series. Introduced on the C-Series. Introduced. Usage Information This command is enabled by default, that is for all updates received from EBGP peers, BGP ensures that the first AS of the first AS segment is always the AS of the peer. If not, the update is dropped and a counter is increments. Use the show ip bgp neighbors command to view the "failed enforce-first-as check" counter. If you disable the enforce-first-as command, it can be viewed using the show ip protocols command. Related Commands show ip bgp neighbors - views the information the BGP neighbors exchange. show ip protocols - views information on routing protocols. bgp fast-external-fallover Enable the fast external fallover feature, which immediately resets the BGP session if a link to a directly connected external peer fails. C9000 Series Syntax bgp fast-external-fallover To disable fast external fallover, use the no bgp fast-external-fallover command. Defaults Enabled Command Modes ROUTER BGP Command History This guide is platform-specific. For command information about other platforms, refer to the relevant Dell Networking OS Command Line Reference Guide. The following is a list of the Dell Networking OS version history for this command. Version 9.9(0.0) 9.2(1.0) 8.3.19.0 8.3.11.1 8.3.7.0 7.8.1.0 Description Introduced on the C9010. Introduced on the Z9500. Introduced on the S4820T. Introduced on the Z9000. Introduced on the S4810. Introduced on the S-Series. Border Gateway Protocol 362
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