For BFD to work, you need: * ISR + 12.4(15)T (or later) * 7200 with 12.4T or 12.2SRx * 7600/6500/GSR + 12.2SRB (or later) * ASR
A complete list is at the bottom of this document: http://www.cisco.com/en/US/docs/ios/12_0s/feature/guide/fs_bfd.html You'll find some more BFD details and usage guidelines here: http://www.nil.com/ipcorner/bfd/ Best regards Ivan http://www.ioshints.info/about http://blog.ioshints.info/ > > Correct me if I'm wrong, but wasn't this exactly the type > of situation > > that BFD was designed to detect and help with? > > I don't know, but I'm printing it[1] anyway to take home and > read. It's been mentioned a few times, and clearly worth > learning about. > > Thanks, > > Steve > > [1] > http://bgp.potaroo.net/ietf/all-ids/draft-ietf-bfd-v4v6-1hop-09.txt >