If you are using a switch and using ISL or DOT1Q trunking, a network can be added to a
FE sub-interface and belong in a different area.
"Stull, Cory" wrote:
> Kevin,
>
> Just looked at the Cisco OSPF design guide.. Neighbor negotiation applies
> to the primary address only. Secondary addresses can be configured on an
> interface with a restriction that they have to belong to the same area as
> the primary address.
>
> Still not sure this applies to sub-interfaces but would have to assume so
> judging by what your seeing.
>
> Cory
>
> -----Original Message-----
> From: Kevin Wigle [mailto:[EMAIL PROTECTED]]
> Sent: Friday, November 10, 2000 9:17 AM
> To: cisco
> Subject: FastEthernet
>
> Can't get to a router with a fe interface at the moment........
>
> Can a FE use sub-interfaces?
>
> A problem we encountered is that we tried to bring up a new cct.
>
> The FE already had on OSPF area on it - say area 2
>
> We added a secondary address and put that network into area 3
>
> All hell broke loose.
>
> Can I add a sub-interface and put the ip address there with the new OSPF
> area?
>
> Kevin Wigle
>
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