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From: Manral, Vishwas (VishwasM_at_NETPLANE.COM)
Date: Mon Sep 02 2002 - 23:24:44 CDT

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    Hi Zhongjie Li,

    Acee is right, I did mean option 2 in the RFC. I did not notice it could
    create conflict here.

    Thanks,
    Vishwas

    -----Original Message-----
    From: Acee Lindem [mailto:aceeREDBACK.COM]
    Sent: Monday, September 02, 2002 7:51 PM
    To: OSPFDISCUSS.MICROSOFT.COM
    Subject: Re: description of p2p link in r-LSA

    Manral, Vishwas wrote:

    > Hi Zhongjie Li,
    >
    > 1) The few implementations I know of use option 2.

    For the sake of clarification, I believe Vishwas means option 2
    as defined in the RFC 2328 (as opposed to Zhonglie's E-mail
    where the two options are reversed).

    > 2) No, there should be no interoperabilty concerns/problems if the two
    ends
    > use different options. However in that case we would have a host
    route(/32)
    > as well as a network route.
    >
    > Also check the link
    >
    http://discuss.microsoft.com/SCRIPTS/WA-MSD.EXE?A2=ind9908&L=OSPF&P=R3243&I=
    > -3. A similar discussion was on the list a few days back too.
    >
    > Thanks,
    > Vishwas
    >
    > -----Original Message-----
    > From: Li Zhongjie [mailto:lzjCSNET1.CS.TSINGHUA.EDU.CN]
    > Sent: Monday, September 02, 2002 9:36 AM
    > To: OSPFDISCUSS.MICROSOFT.COM
    > Subject: description of p2p link in r-LSA
    >
    >
    > Hi,
    >
    > For a numbered point-to-point link, a router has two options to declare
    a
    > stub link <link id,link data>:
    > 1) <subnet number, subnet mask>
    > 2) <endpoint ip address, all 1's mask>
    > as decribed in RFC2328 section 12.4.1.1 page 130.
    > Two questions to ask:
    > 1) what is the mostly widely used option on the current Internet?
    > 2) I think different routers in an OSPF area can use different options
    > without causing any problems, right?
    > ---
    > Best Regards,
    >
    > Zhongjie Li
    >
    > ********************************************************************
    > * Zhongjie Li *
    > * Ph.D candidate, Department of Computer Science & Technology *
    > * Tsinghua University, Beijing, 100084, P.R.China *
    > * Tel: +86+10-62788109 Fax: +86+10-62788109 *
    > * Email: lzjcsnet1.cs.tsinghua.edu.cn *
    > ********************************************************************
    >
    > 

    --
Acee