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If anyone is seeing problems, PLEASE email [log in to unmask] Reid On Wed, Apr 3, 2013 at 9:01 AM, Doug McIntyre <[log in to unmask]> wrote: > On Wed, Apr 03, 2013 at 06:45:15AM -0500, David Farmer wrote: > > This morning at approximately 1:30 our peering session with HE > > reset, I assume for some kind of normal maintenance on their end. > > > > This triggered a weird issue on our end. Because of some crufty > > route policy we were preferring the routes we learned from the MICE > > route server over the routes we learned directly from HE. And for > > some reason the routes we were learning from the route server had a > > different link-local address associated with them than the routes we > > learned directly. And this address no longer seems to be valid, and > > this caused traffic to be black holed. > > > > From below > > FE80::224:38FF:FEA7:EA03 - address on routes learned from MICE RS > > FE80::224:38FF:FEA7:EA36 - address on routes direct from HE > > > FIWW: We do buy transit from HE and did get the maintenance notice for > this morning. > > I've also seen this behavior from them before. I'm not sure if the link > local address changes on their end due to some change or what is going > on. It doesn't matter on our direct connect router, where we only > talk the public IPv6 address, but the MICE connection seems to have > stale link-local IPv6 addresses from time to time that I've had to > clear out due to some change. > > -- > Doug McIntyre <[log in to unmask]> > -- ipHouse/Goldengate/Bitstream/ProNS -- > Network Engineer/Provisioning/Jack of all Trades > > ######################################################################## > > To unsubscribe from the MICE-DISCUSS list, click the following link: > http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1 > > -- Reid Fishler Director Hurricane Electric +1-510-580-4178 ######################################################################## To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1