Maximum devices in OSPF area 0

Mon Oct 19 15:46:44 UTC 2009

On Mon, Oct 19, 2009 at 11:39 AM, Serge Vautour <sergevautour at yahoo.ca>wrote:

> Hello,
>
> We are looking to deploy a greenfield MPLS network with OSPF as the IGP.
> I'm told OSPF areas don't play well with OSPF TED.

Yep, OSPF-TE uses Type 10 LSAs, which only has an area flooding scope.

> For this reason, we are looking at using only area 0. Only Loopback
> interfaces and p-p core ethernet links will be in OSPF. What are the maximum
> number of Routers & Links that folks would be comfortable with putting in 1
> area? If folks are already using this type of approach, could you share your
> current numbers?
>
I've seen single areas with as many as ~600 routers and as many as 6-7k LSAs
in the LSDB that functioned without any problems.

--
Stefan Fouant