Re: anyone else seeing very long AS paths?

2009-02-16 Thread Michael Ulitskiy
It hit my routers at 11:26:40, EST. Michael On Monday 16 February 2009 07:26:23 pm Adam Greene wrote: > Anyone have an estimate as to when these long announcements began? Seems > like the first reports appeared just before noon, UTC-05. > > We noticed a significant dip in Internet traffic to AS

Re: anyone else seeing very long AS paths?

2009-02-17 Thread Michael Ulitskiy
My bgp speaking devices are a couple of 7200s running 12.2(40). Not the newest IOS out there, but it's been doing the job just fine up until yesterday. Yesterday, when that malformed announcement hit my routers they didn't crash, but they did reset bgp sessions (even though I didn't accept the r

Re: verizon issue?

2009-06-22 Thread Michael Ulitskiy
Can you be more specific about the problem saw? We're having problems with their oc3 right now, not being able to push over 110m since this morning and still going on. And sure can't get anything useful from verizon. Thanks, Michael On Monday 22 June 2009 10:20:11 am James Kennedy (TT) wrote: >

Re: Cisco GRE/IPSec performance, 3845 ISR/3945 ISR G2

2010-11-19 Thread Michael Ulitskiy
On Thursday 18 November 2010 18:18:04 Sam Chesluk wrote: > There are a couple potential issues, that when looked at in whole, add > up to a significant performance impact. > > 1) IPSec + GRE involves two forwarding operations, one to send it to the > tunnel interface , and another to send the now-

Re: Anyone seen this kind of problem? SIP traffic not getting to destination but traceroute does

2011-11-09 Thread Michael Ulitskiy
It may also be related to QoS policy inside the carriers. Some time ago I've seen exactly the same symptoms with Verizon when sip signaling was sent marked as EF. Remarking it down to CS1 or CS3 (don't remember exactly) solved the problem. Michael On Wednesday 09 November 2011 13:47:37 Jay Naka

ipv6 transit over tunneled connection

2010-05-13 Thread Michael Ulitskiy
Hello, We're in the early stage of planning ipv6 deployment - learning/labbing/experimenting/etc. We've got to the point when we're also planning to request initial ipv6 allocation from ARIN. So I wonder what ipv6 transit options I have if my upstreams do not support native ipv6 connectivity? I

Re: ipv6 transit over tunneled connection

2010-05-14 Thread Michael Ulitskiy
when we do then I guess it'll be the time to look for the native transit. Thanks, Michael On Thursday 13 May 2010 18:18:12 Michael Ulitskiy wrote: > Hello, > > We're in the early stage of planning ipv6 deployment - > learning/labbing/experimenting/etc. We've got

Re: ipv6 transit over tunneled connection

2010-05-17 Thread Michael Ulitskiy
Hello, Just wanted to say thanks to everybody who replied and/or offered help. I've got a few private peering offers, so I guess I'm ok now. Thanks a lot, Michael On Friday 14 May 2010 11:25:10 pm Michael Ulitskiy wrote: > Guys, > > I've started this thread looking