max-prefix and platform tcam limits: they are things

joel jaeggli joelja at bogus.com
Sat Oct 6 00:36:30 UTC 2012


On 10/5/12 5:05 PM, jim deleskie wrote:
> I know that I should know better then comment on networks others then
> my own, ( and I know to never comment on my own publicly :) )
>
>
> But here goes, 210x the size of normal really?  210% I'd have a hard
> time believing. Did anyone else anywhere see a route leak equal to
> larger then the entire Internet that day, anywhere else that could of
> caused this?

it's pretty easy to inadvertently leak a copy of the internet from one 
vrf to another and effectively install two copies of the internet routes 
in your fib...

There are plently of cases where you might to that or something similar 
on purpose, which is all good and
  well if you have 2million route fib capacity but less awesome if you 
have 512K route capacity linecards at this point. if you get those 
routes from a private peer on some non-internet-vrf well that might 
imply that your filter policy needs some tuning.
> I won't even get into max-prefix and how we've managed this long with
> someone people still not setting them.
>
>
> -jim
> On Fri, Oct 5, 2012 at 7:31 PM, Anton Kapela <tkapela at gmail.com> wrote:
>> Submitted without comment:
>> http://inside.godaddy.com/inside-story-happened-godaddy-com-sept-10-2012/
>>
>> -Tk
>>




More information about the NANOG mailing list