From: Joseph Saad (joseph.samir.saad@gmail.com)
Date: Tue Nov 06 2007 - 00:56:03 ART
careful when using "ip unnunumbered" though. You may need to use the
interface-level ip ospf area x rather than the network command to insure
that the tunnel interface is within area 0 rather than 47.
Also reachability between the end of the tunnel must not be through the
tunnel
On 11/6/07, Ajay Prakash <ajay.prakash@networkpeople.co.in> wrote:
>
> Well, you could always use IP unnumbered, and there would be no need of
> using a new IP address.
>
> Ajay
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Alex
> Steer
> Sent: Tuesday, November 06, 2007 12:11 AM
> To: M e; ccielab@groupstudy.com
> Subject: RE: ospf virtual-link over totally stubby area
>
> Yeh, It give me an error when I try to configure a virtual-link over
> area47.
>
> The lab said you cannot make new IP addresses. How can you configure a
> gre
> tunnel?
>
> ________________________________
>
> From: M e [mailto:iosluver@gmail.com]
> Sent: Mon 11/5/2007 6:29 PM
> To: Alex Steer
> Subject: Re: ospf virtual-link over totally stubby area
>
>
> Ajay just hi the nail on the head. Stub areas don't support virtual-links
> so
> the only other way to do this is to use a GRE tunnel.
>
>
> On 11/5/07, Alex Steer <alex.steer@eison.co.uk> wrote:
>
> Hi,
>
> I got completely stuck on this question I hoped someone maybe able
> to help
> me
> out. The topology is as follows
>
> AREA 0=Router4====area 47=====Switch1=area0
>
> The question was (word for word):-
>
> Configure OSPF area 47 on the Ethernet segment between R4 and SW1
> Devices in OSPF area 47 should only receive LSA of type 1, 2 and a
> default
> of
> type 3.
>
> To me that says configure Router 4 with "area 47 stub no-summary"
> The problem then is that I cant configure a virtual-link to SW1s
> area0.
> Is the answer on router4:-
> configure area47 as normal area
> configure "default-information orginate always" on router4
> configure "area 47 filter-list prefix prefix-list"
> ip prefix-list prefix-list permit 0.0.0.0/0 le 32
>
> Can anybody suggest for sure?
>
> Many thanks
>
> Alex
>
>
>
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