Level 3 RFO
Florian Weimer
fw at deneb.enyo.de
Mon Oct 24 11:25:23 UTC 2005
* Daniel Roesen:
> On Sun, Oct 23, 2005 at 09:48:58PM +0200, Florian Weimer wrote:
>> This isn't the first time this has happened to an ISP. 8-(
>
> Indeed.
>
>> Are there any configuration tweaks which can locally confine such an
>> event? Something like the hard prefix limit for BGP, perhaps.
>
> JunOS:
> set protocols ospf prefix-export-limit <n>
> set protocols isis level <n> prefix-export-limit <n>
Wouldn't an import limit be better? If you've got a
almost-fully-meshed MPLS core, export limits won't really work, will
they?
In more traditional networks, I can imagine that it helps to confine
anomalies. Has anybody tried that on a real network? 8-)
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