do not filter your customers

Thu Feb 23 07:49:17 UTC 2012

IOS-XR

On 2/23/12, Randy Bush <randy at psg.com> wrote:
>>> and things when further downhill from there, when telstra also did not
>>> filter what they announced to their peers, and the peers went over
>>> prefix limits and dropped bgp.
>> Oh! so protections worked!
>
> imiho, prefix count is too big a hammer.
>
> it would have been better if optus had irr-based filters in place on
> peerings with telstra.  then they would not have dropped the sessions
> and their customers could still reach telstra customers.
>
> of course, if telstra did not publish accurately in an irr instance,
> not much optus could do.
>
> randy
>
>


-- 
Warm Regards

Peter(CCIE 23782).