Topical to today's issues, WiscNet (and likely others) actively utilize
BFD on EBGP peering sessions across peering fabric on various IX's where
possible.
This helps by detecting issues across layer2 paths without having to
wait for the BGP hold time to expire.
If anyone would like to enable BFD on our direct sessions, please reach
out to us at [log in to unmask], or to me directly.
We use minimum-interval 500, multiplier 3 at various IX's with little issue.
Cheers,
--
Chris Wopat
Network Engineer, WiscNet
[log in to unmask] 608-210-3965
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