[c-nsp] Multi Area OSPF

Heath Jones hj1980 at gmail.com
Wed Sep 15 10:57:26 EDT 2010


As soon as you redistribute from another protocol (connected, static
included) into OSPF, that router then acts as an ASBR. According to both
routers, that area will contain an ASBR and can therefore not be a stub.


On 15 September 2010 11:32, Nick Ryce <Nick.Ryce at lumison.net> wrote:

> Hi Guys,
> Im having some issues with setting up multi area ospf between a j 2320 and
> a cisco 1812.  I have a funny feeling the issues will be user related.
> The j2320 is acting as an abr with backbone area and stub area
> and advertises a default route into the stub area.
> The 1812 is set as a stub with no other routing protocols being used.  When
> I use the redistribute static or redistribute connected commands it advises
> these cant be used as the router is an asbr.  The router is only running 1
> ospf process for the stub area so I am not sure why this is occurring.
> I add the network x.x.x.x y.y.y.y area command and can start seeing
> a default route being sent by the juniper which is great but the juniper
> cannot see anything being sent from the router.  I can get around this by
> setting the network in the ospf process to but is
> this the correct way to do this as it would mean that any interface on the
> router will be sending out ospf requests which I do not want to occur as I
> want to be specific.
> Any ideas?
> Nick
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