[j-nsp] ECMP vs LAG and OAM vs BFD

Daniel Verlouw daniel at shunoshu.net
Sat Jul 23 07:22:17 EDT 2011


On Fri, Jul 22, 2011 at 22:14, Stefan Fouant
<sfouant at shortestpathfirst.net> wrote:
> Regarding BFD's capabilities to determine member state of individual member
> links, this is not currently supported by BFD.  Take a look at IETF Draft
> 'Bidirectional Forwarding Detection (BFD) for Interface' which was just
> released a few weeks ago. It is designed to meet these requirements -
> http://tools.ietf.org/html/draft-chen-bfd-interface-00

IOS XR (at least on the ASR9k) supports BFD over individual member
links. Saw it in the lab, seemed to work fine. Not sure if it's
implementation is based on this draft though, or if it's a proprietary
one.

  --Daniel.



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