I've had the exact same thing happen.
Recently, I removed a bunch of /24's that were member of a larger /20. We
use to advertise the /24's to certain carriers for traffic engineering. I
saw the exact same issue you're describing.
I chocked it up to Slow BGP in their core. For instance, I
On Thu, Oct 02, 2014 at 09:03:15AM -0700, ryanL wrote:
(who peers with cogent), and then pull the /24 some time later, that cogent
holds onto the /24 and then bounces packets around in their network a bunch
of times for upwards of 8-10 minutes until they finally yank it. this
effectively
circling back on this, i guess my case with cogent has been escalated to vp
engineering, and i've had a few people reply on and off list citing the
same problems. i encourage you to open up cases to help demonstrate further
examples (ie: it's not just me!)
thx everyone.
ryan
On Thu, Oct 2,
First time I'm seeing it, and I've been a Cogent client for quite a while.
Have you tried getting in touch with their NOC yet? They're one of the
most responsive in the industry.
On 10/3/2014 午前 01:03, ryanL wrote:
hi. relatively new cogent customer. is what i've stated in my subject line
as stated, yep. i was on the phone with them for over three hours yesterday.
On Thu, Oct 2, 2014 at 9:08 AM, Paul S. cont...@winterei.se wrote:
First time I'm seeing it, and I've been a Cogent client for quite a while.
Have you tried getting in touch with their NOC yet? They're one of the
i still advertise the aggregate as a backing route. one reason i might like
advertising a /24 is (usually) it's a nice way to gently attract return
traffic down a certain path so i can do maintenance on the other side.
plenty of other ways to do this, i know (prepending, communities, etc).
On
On Thu, 2 Oct 2014, ryanL wrote:
hi. relatively new cogent customer. is what i've stated in my subject line
kinda standard fare with them?
i've discovered that when i advertise a /24 from inside a larger /22 to XO,
(who peers with cogent), and then pull the /24 some time later, that cogent
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