From: Brian Dennis (bdennis@internetworkexpert.com)
Date: Tue May 15 2007 - 13:53:30 ART
If you look at the solution you will see that both ends of the tunnel are in
area 0. VL7 on SW1 and S0/1 on R5 are both in area 0.
You can also use the verification to see that the interfaces used for the
unnumbered tunnel interfaces are in area 0.
--Brian Dennis, CCIE4 #2210 (R&S/ISP-Dial/Security/SP) bdennis@internetworkexpert.com Internetwork Expert, Inc. http://www.InternetworkExpert.com Toll Free: 877-224-8987 Direct: 775-745-6404 (Outside the US and Canada)
On 5/15/07 6:43 AM, "Kim" <support@isolvesystems.com> wrote:
> Thanks Dan. I got it. The answer to the workbook is incorrect... > > Regards, > Kim > > On 5/15/07, Dan C <cdan2154@gmail.com> wrote: >> >> Hi Kim, thats correct both ends of the tunnel should be in area 0 similar >> with virtual link. Cheers, Dan >> >> On 5/15/07, Kim < support@isolvesystems.com> wrote: >>> >>> I am aware that vl cannot be used in stub or nssa. May I know when a >>> tunnel is built between segregated Area 0s, this tunnel should be in area 0, >>> right? >>> >>> Thanks. >>> Kim >>> >>> On 5/14/07, Dan C <cdan2154@gmail.com> wrote: >>>> >>>> Hello there, >>>> >>>> You can not user virtual links in stub or nssa areas. >>>> >>>> Cheers, >>>> Dan >>>> >>>> On 5/15/07, Kim < support@isolvesystems.com> wrote: >>>> >>>>> Here's the OSPF network. >>>>> R4---(area 0)---R5---(area 57 stub)---SW1(VL5 Area 0) >>>>> >>>>> The question disallow the use of GRE tunnel. The solution guide uses >>>>> ipip >>>>> tunnel. The tunnel uses ip unnumbered using interfaces connecting >>>>> R5 and >>>>> SW1. This would make the tunnel interface in the area 57 stub >>>>> network. I >>>>> am confused by how this allow the segregated VL5 area to be >>>>> connected to the >>>>> area 0 between R4 and R5. >>>>> >>>>> Please help. >>>>> Thanks. >>>>> Kim >>>>> >>>>> _______________________________________________________________________ >>>>> >>>>> Subscription information may be found at: >>>>> http://www.groupstudy.com/list/CCIELab.html > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html
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