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What you should know about BGP-4 Protocol

Border Gateway Protocol Version 4 (BGP-4), documented in RFC 1771, is the current exterior routing protocol used for the global Internet. BGP is essentially a distance-vector algorithm, but with several added twists. Other BGP-related documents are RFC 1772 (BGP Application), RFC 1773 (BGP Experience), RFC 1774 (BGP Protocol Analysis), and RFC 1657 (BGP MIB).

BGP / MPLS Layer 3 VPNs

BGP / MPLS Layer 3 VPNs

What is VPN? Virtual Private Networks (VPN) are designed to provide users with the private networks capabilities over...

IPv4 BGP vs IPv6 BGP

IPv4 BGP vs IPv6 BGP

BGP is older than IPv6. Even BGP-4, the version we still use today, predates IPv6: the first BGP-4 RFC (RFC 1654) was...