Prefix hijacking by AS20115

Tue Sep 29 03:08:47 UTC 2015

On 9/28/15 18:30, William Herrin wrote:
> On Mon, Sep 28, 2015 at 9:01 PM, Seth Mattinen <sethm at rollernet.us> wrote:
>> I've got a problem where AS20115 continues to announce prefixes after BGP
>> neighbors were shutdown. They claim it's a wedged BGP process but aren't in
>> any hurry to fix it outside of a maintenance window.
>
> If they weren't lying to you, they'd fix it now. That's not the kind
> of problem that waits.
>
> Thing is: they lied to you. Long ago they "helpfully" programmed their
> router to announce your route regardless of whether you sent a route
> to them. They want to wait for a maintenance window to remove that
> configuration.
>
>
>> I'm at a loss of what else I can do. They admit the problem but won't take
>> action saying it needs to wait for a maintenance window. Am I out of line
>> insisting that's an unacceptable response to a problem that results in
>> prefix/traffic hijacking?
>
> Try dropping the link entirely. If they still announce your addresses,
> bring it back up but report it as emergency down, escalate, and call
> back every 10 minutes until the junior tech understands that it's time
> to call and wake up the guy who makes the decision to fix it now.
>

I'm at the tail end here almost 8 hours later since the hijacking 
started. Their NOC is just blowing me off now and they're happy to 
continue the hijacking until it's convenient for them to have a 
maintenance window. And that's apparently the final decision.

~Seth