Routing Tab

he
Routing
tab provides Border Gateway Protocol (BGP) peering status for an ION device at a branch site or a data center.
The
Routing
tab provides Border Gateway Protocol (BGP) peering status for an ION device at a branch site or a data center. It includes information on BGP peer types, including classic, core, and edge peers depending on the type of site, namely a branch or a data center.
In addition, it displays information on the BGP peering state and advertised and reachable prefixes. While the classic and core peers display advertised and reachable prefixes, the edge peer will display only reachable prefixes. Reachable prefixes are prefixes that the ION device learns from the peer, whereas advertised prefixes are prefixes that the ION device advertises to the classic and core peers.
You may filter individual routes or prefixes from received and advertised prefixes along with network, Autonomous System (AS) path, and next-hop information. From advertised, reachable, or discoverable prefixes, you can search for specific routes or prefixes.
Use routing to troubleshoot BGP connections and check if routes are learned from or advertised to the BGP peers. For example, you can verify whether a peer is connected by checking the peer's BGP state. If the peer is not connected, the State field will provide information on the peer's status, dropped connections, duration of BGP peer uptime and downtime, and notifications. If any prefix id is not reachable, check if the route is learned from the WAN edge or is advertised to the core or classic peer.

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