On Thu, 22 Oct 2009, George Herbert wrote:
On Thu, Oct 22, 2009 at 7:03 PM, Jay R. Ashworth <jra@baylink.com> wrote:
Level 3 has a single router or switch handling packets at a major POP? I doubt this, but the outage is confirmation something bad happened. That said: where's the redundancy, and why didn't it kick in?
Oh; you're *always* asking that.
The RFO that went out somewhat after he asked that was more useful... N=2 redundancy was in place. However, when primary had hardware failure, secondary had (unknown / unstated) software, config, or hardware failure that hadn't been detected or checked, and it didn't
I'm not in Atlanta but from what was mentioned on the list, it was a soft failure which is why the other routers didn't failover w/ HSRP or whatnot: https://puck.nether.net/pipermail/outages/2009-October/001607.html https://puck.nether.net/pipermail/outages/2009-October/001608.html The real question should be why nobody powered down that device the first or second time, considering it didn't failover properly the first time. https://puck.nether.net/pipermail/outages/2009-October/001600.html https://puck.nether.net/pipermail/outages/2009-October/001611.html These things happen from time-to-time -- that's the Internet. -- William R. Lorenz