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...
At home, we pay an ISP to transport our packets to and from the rest of the world. Most organizations do the same. But once a network gets to a certain size, it starts making sense to peer. Peering means that two networks make a direct connection, and exchange the...
