BGP Routing Policies - BGP Communities - Matching COMMUNITY with Community Lists

3 important questions on BGP Routing Policies - BGP Communities - Matching COMMUNITY with Community Lists

How is the BGP 32-bit COMMUNITY formatted according RFC 1997?

AA:NN
Global: Local

AA represents ASN
NN represents  community value as set by that ASN

What is the default value format for Cisco BGP 32-bit COMMUNITY?

32 decimal value

What command can be used to change Cisco router to use COMMUNITY format according RFC 1997?



R1(config)#ip bgp-community new-format

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