BFD over p2p transport links

sthaug at sthaug at
Fri Feb 5 17:43:00 UTC 2010

> > We run it on most 10G backbone (LAN-PHY) links.
> Hmm. Backbone L2 transport, or fiber/wave type transport? I'd be
> surprised to hear of people running it on dark-fiber-ish stuff.

Both. For L2 transport through switches the usefulness is rather
obvious. For WDM type transport because we're not 100% certain
that we'll always get a link down propagated. For fiber - only for
consistency, and the actual link down would normally be detected
faster than BFD can react.

Steinar Haug, Nethelp consulting, sthaug at

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