On Wed, Nov 10, 2010 at 5:28 PM, Benjamin Lovell <[email protected]> wrote: > It's true. Bad things can happen. Primary one is buss stall. They are not > supposed to happen anymore but there are bugIDs out there that prove they > do. During buss stall we can't do forwarding lookups to PFC(pretty sure DFC > lookups still work). Even worse is that during buss stall interrupts are > disabled so packets can't be punted to the control plane and BFD packets > which are generated in interrupt context can't be sent. > > Usually these things happen for a short enough period of time that the > effects are minor or completely unnoticed unless you are running some things > with tight timers like BFD tuned down, OSPF fast hellos, etc > > -Ben
I know for a fact that buss stalls happen because we saw it happen last night! ;) _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
