13 Oct
1999
13 Oct
'99
12:07 p.m.
Sam Thomas wrote:
semi-operational: in the event that path inside a SONET ring switches from active to protect and back, etc...does this generally show up on a a router as a series of errors, an interface bounce, or not at all?
Often both. The switch is spec'd at 50 milliseconds. Hardly a twitch in human voice perception, but a heck of a lot of bad PPP checksums in machine perception. Worse, in my miserable experience, the APS would flip back and forth. It's not supposed to, but it has. I firmly recommend: do not pay for APS. Put the money toward diverse paths. As usual, Paul Vixie has got it right! WSimpson@UMich.edu Key fingerprint = 17 40 5E 67 15 6F 31 26 DD 0D B9 9B 6A 15 2C 32