In earlier articles, we discussed the next hop and local preference attributes. Today we’ll be looking at the AS_PATH attribute as well as the AS4_PATH attribute. What is an AS PATH? The BGP AS path is a well-known mandatory attribute, which means that...
BGP is older than IPv6. Even BGP-4, the version we still use today, predates IPv6: the first BGP-4 RFC (RFC 1654) was published in July 1994, while RFC 1883, the first IPv6 RFC, wasn’t published until December 1995. And unlike protocols like RIP and OSPF, which...
