Saturday, 8 December 2012

BGP Backdoor

Can be used to favour IGP routes instead of eBGP routes when both exist in the routing table as the default AD for eBGP route is lower than any IGP route.

network <network address> backdoor

The specified network address is treated as a local entry, but not advertised as a normal network entry.

http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a00800c95bb.shtml#bgpbackdoor

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