From: Paglia, John (USPC.PCT.Hopewell) (JPaglia@NA2.US.ML.com)
Date: Fri Sep 27 2002 - 21:40:49 GMT-3
I have a problem with the 'discard route internal' config after applying
area range configs and redistributing to IGRP. I found that the route did
not make it over to IGRP after the 'discard route' banished the null0 to
nothingness.
Is there an additional config that you need to use when adding the discard
route config? As it is, I just can't count on it.
John
> -----Original Message-----
> From: Azhar Mehmood [SMTP:azhar.mehmood@web.de]
> Sent: Friday, September 27, 2002 8:22 PM
> To: Dave Stoddard
> Cc: ccielab@groupstudy.com
> Subject: Re: RE: OSPF into IGRP redistribution
>
> Hi,
>
> as far I know you also have the option to change that spesific OSPF
> behavior, generating summary route towards NULL interface. But this
> particular feature is available in IOS 12.1(6) and later releases.
>
> Example:
> R15(config-router)#discard-route ?
> external Discard route for redistributed summarised routes
> internal Discard route for summarised internal routes
>
> R15(config-router)#discard-route
>
> it's enabled by default(IOS 12.1(6) and later), use the "no" form to
> disable generating summary routes toward NULL.
>
> for further infos consult the following site:
> http://www.cisco.com/warp/public/104/3.html#12.0
>
> regards
>
> Azhar M.
> GERMANY
>
> "Dave Stoddard" <dstoddard@thrupoint.net> schrieb am 28.09.02 02:11:49:
> > Where exactly did you see these directions? What was the specific
> wording?
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> > George Bekmezian
> > Sent: Friday, September 27, 2002 4:12 PM
> > To: ccielab@groupstudy.com
> > Cc: malcolm@lanbase.com
> > Subject: RE: OSPF into IGRP redistribution
> >
> >
> > Well, I recommend against it, since the directions specifically state
> > the null0 routes from summarization are not allowed. You go ahead and
> > take your chances though.
> >
> >
> > George
> >
> > |-----Original Message-----
> > |From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> > |Behalf Of Warner, Thomas S
> > |Sent: Friday, September 27, 2002 2:45 PM
> > |To: 'Malcolm Price'; ccielab@groupstudy.com
> > |Subject: RE: OSPF into IGRP redistribution
> > |
> > |
> > |Malcolm
> > |
> > |I have asked that question and the proctor said that it is OK
> > |to have the summaries to NULL0 in your RT that are generated
> > |by OSPF area range commands.
> > |
> > |
> > |Tom Warner
> > |Lockheed Martin Enterprise Information Systems
> > |Computing and Network Services
> > |email: mailto:thomas.s.warner@lmco.com
> > |
> > |
> > |
> > |-----Original Message-----
> > |From: Malcolm Price [mailto:malcolm@lanbase.com]
> > |Sent: Friday, September 27, 2002 5:18 PM
> > |To: ccielab@groupstudy.com
> > |Subject: OSPF into IGRP redistribution
> > |
> > |
> > |Guys,
> > |
> > |Has anyone asked the proctor if you are allowed to have a
> > |null0 route in your RT which has been generated by a ospf
> > |"area x range ..... " command ?
> > |
> > |Seems like the obvious solution to a very gray area :)
> > |
> > |Regards,
> > |Malcolm
> > |
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