From: Colin Barber (Colin.Barber@xxxxxxxxxxxxxx)
Date: Tue Aug 27 2002 - 07:41:49 GMT-3
When I have configured a demand circuit I have never made OSPF uninteresting
and it's always worked fine. When OSPF negotiates a demand circuit it
automatically suppresses it's hello packets so I don't see the need to also
suppress them on the dialer list.
Colin.
-----Original Message-----
From: Raj Bahad [mailto:raj.bahad@totalise.co.uk]
Sent: 27 August 2002 11:23
To: ccielab@groupstudy.com
Subject: IP OSPF DEMAND CIRCUIT
Hi Group,
Please could any of you help clarify a couple of questions...I've been
through
the CCO extensivley but still am not clear on certain combinations.
When using IP OSPF DEMAND CIRCUIT, is there any need to also restrict the
dialer-list to deny OSPF?...I've come across configs where in ceratin cases
ospf is being classicfied as un-interesting traffic and in other cases its
not.
My understanding of IP OSPF DEMAND cictuit is that it essentially prevents
the
LSA's from aging so that when the link goes back down, the router still has
a
complete routing table. Now if you also specify ospf as un-interesting
traffic, would that not prevent ospf updates from traversing the ISDN link?
Cheers,
Raj.
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