Previously, we’ve already looked at traffic engineering in general and AS path prepending in particular. Traffic engineering is distributing the traffic load over available lines in order to utilize those lines most efficiently. For instance, if you have two 1 Gbps...
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...