As discussed here earlier this week, there was quite a bit of BGP routing instability that seemed to be triggered by mis-handling of extremely long AS paths. There were a couple reasons for this, mostly related to implementations that weren’t expecting to handle those crazy long AS paths. Two issues of particular note related to [...]
First, Radio Free Europe/Radio Liberty is reporting that a Kazakh website was crushed by a DDoS attack. The site, zonakz.net, appears to be a news site that may have posted, from time to time, articles critical of Moscow’s position on things. I have no data on the supposed attack in any of our monitors. Secondly, [...]
Today’s global routing instability trigger (flavor of the month), that of extremely long AS paths, seems to be a bit of a repeat. Some of you may remember this occurring over 5 years ago, and presumably, that same bug in Cisco IOS (CSCdr54230 – inadequate buffer sizing and a knob to limit maximum AS path [...]