Re: (PM) OSPF summaries, E2 vs. E1 type ASE OSPF routes

Miquel van Smoorenburg (list-portmaster-users@news.cistron.nl)
3 May 1999 14:26:10 +0200

In article <cistron.000001be9559$bdff3680$3255dfc2@jcd.livingston-ent.co.uk>,
James Courtier-Dutton <dutton@livingston-ent.co.uk> wrote:
>Hello
>What breaks because they are E2 routes?

No summarization.

>They are not directly connected interfaces (The route is advertised whether
>or not the user has dialled in).

No, I said I had a similar problem, not the same problem. The thing is that
we have users with static IP addresses - a lot, and I'd like to put all
PM3's in one NSSA, and summarize the range of static IP addresses on the
area border router. Right now everytime a user with a static IP logs in or
out it causes routing updates through the entire network.

If you read carefully, I wrote:

>> There is a bug or misfeature in ComOS wrt OSPF route advertizements-
>> static IP numbers (assigned by RADIUS) outside of the "pool"
>> are announced
>> by ComOS as "External type 2". This happens even if the area
>> defined on the
>> portmaster includes the range in which this IP number falls.
>>
>> This IMO is a bug - an interface route should always be advertized as
>> "intra-area". Also it would be nice if this would happen for
>> static routes
>> assigned by radius as well (if they fall into the defined range
>> of the area).

Note that the answer from Lucent was:

>> According to my information about OSPF, when you assign
>> pools/routes to PM products and defind the ospf area's
>> you also need to implement the static ip's in these area's
>> else the PM will always advertise those routes as external
>> type 2.

So if I do:

set ospf area 0.0.0.1 range 195.64.64.0/19

it should advertize the routes for users with a static IP within that
range as intra-area just like it advertizes the pool, yet it doesn't!

Mike.

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