• Author : Allen Shih

 
 

Multi-hop BFD

Multi-hop BFD  allows for liveness detection between systems whose path may consist of multiple hops. With an existing multi-hop iBGP or eBGP session between peers whose IP addresses fall in different subnets, a multi-hop BFD session between the peers can be configured to monitor their Layer 3 connectivity. One use case is when there is a multi-hop iBGP or eBGP session between loopback addresses, multi-hop BFD can be configured between the loopback addresses.   Another use case is when there is a multi-hop iBGP or eBGP session between peer addresses belonging to interfaces that are multiple hops away, multi-hop BFD...
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