BGP - Implement, optimize and troubleshoot routing policies - Communities, extended communities
4 important questions on BGP - Implement, optimize and troubleshoot routing policies - Communities, extended communities
How much bits are standard communities?
How much bits are extended communities and what are the different field?
I bit IANA registered
T bit Transitive
6 bits Type (high)) FORMAT
8 bits Type (low) Used for MPLS/Route-targets
6 byte Community
What are the allowed values for extended communities?
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What are the different bgp extended community High-Formats?
0x00= 2-byte ASN: 4-byte Assigned Number
0x01= 4-byte IPv4 Marker: 2-byte Assigned Number
0x02= 4-byte ASN:2-byte Assigned Number
0x03= Opaque Community
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