largest OSPF core

Leo Bicknell bicknell at
Thu Sep 2 18:37:55 UTC 2010

In a message written on Thu, Sep 02, 2010 at 03:20:05PM +0300, lorddoskias wrote:
>  I'm just curious - what is the largest OSPF core (in terms of number 
> of routers) out there?

I'll admit to having seen a network with over 400 devices in an
OSPF area 0, didn't design it, and in the end didn't get to work
on it.

Far as I know worked just fine though, no issues reported.  How
well your IGP scales depends a lot more on what you put in it, and
how dynamic your network situation is than the protocol or number
of devices.

       Leo Bicknell - bicknell at - CCIE 3440
        PGP keys at
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