From: Nitin Venugopal (nitinsworld@gmail.com)
Date: Mon Mar 16 2009 - 08:07:18 ART
Resending after correctign a typo.
On Mon, Mar 16, 2009 at 3:05 PM, Nitin Venugopal <nitinsworld@gmail.com>wrote:
> Thanks Scott. The solution i was looking for is applying 'clns
> net command' to interfaces
>
> Say
>
> R1---R2
>
> R1
> Int eth0/1
> clns net 49.4001.XXXX.XXXX.XXXX.00
>
> Int eth0/2
> clns net 49.4001.XXXX.XXXX.XXXX.00
>
>
> Although i can verify the associated net on the local router R1 using
> 'show clns interface' command
>
> However I am not sure how to verify the associated clns net . when the
> same route is recieved on the R2 (whch recieves the route from R1)
>
> Best Regard
> Nitin
>
> On Sun, Mar 15, 2009 at 11:17 PM, Scott Morris <
> smorris@internetworkexpert.com> wrote:
>
>> You can have a single process with multiple NETs (sys-ID must be the same
>> for all). Or you can use multiple processes to separate.
>>
>> Under an interface, using "ip router isis (proc-name-called-'tag')" will
>> separate things. Or under the process itself, using "passive-interface"
>> will as well without enabling the process on the particular interface.
>>
>> HTH,
>>
>> Scott
>>
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>> Nitin Venugopal
>> Sent: Sunday, March 15, 2009 2:23 PM
>> To: doubleccie@yahoo.com
>> Cc: Fahad Khan; ccielab@groupstudy.com
>> Subject: Re: ISIS multi-area
>>
>> Your Solution is fine. However as i told you, the question is you are not
>> allowed to configure more than one isis process
>> How will you bind an area with the Interface?
>> Binding of ISIS process to specific interface is not allowed in the
>> question
>>
>> Best Regards
>> Nitin
>> On Sun, Mar 15, 2009 at 8:44 PM, Peter Svidler <doubleccie@yahoo.com>
>> wrote:
>>
>> > when you apply ISIS process with multiple NET command configured on
>> > certain interface , all the Areas under this process will be assigned to
>> > this interface ..in other words the router will be able to form adj with
>> > neighbors if any of the areas are configured on the neighbor ( assuming
>> L1
>> > here since with Level2 the area matching is not a restriction )
>> >
>> > assume you have 3 routers R1 ----R2 ----R3 and assume all L1
>> >
>> >
>> > R1 is area 1 , and R3 on area 3 , now on R2 you can configure two NET
>> > command for A1 and A3 , apply the process on R2 both interfaces .
>> >
>> > you will be able in this case to form adj. wth both R1 and R3 , the
>> > prefixes will be also leaked between the two areas .
>> >
>> >
>> >
>> >
>> > --- On *Sun, 3/15/09, Nitin Venugopal <nitinsworld@gmail.com>* wrote:
>> >
>> > From: Nitin Venugopal <nitinsworld@gmail.com>
>> > Subject: Re: ISIS multi-area
>> > To: doubleccie@yahoo.com
>> > Cc: "Fahad Khan" <fahad.khan@gmail.com>, ccielab@groupstudy.com
>> > Date: Sunday, March 15, 2009, 8:40 AM
>> >
>> >
>> > Even if you apply multiple net under single process, how will you know
>> > which interface is part of which area- Unless you bind the area with the
>> > Interface.
>> >
>> > ISIS process can be binded with specific interface , but you are not
>> > allowed to add more isis process
>> >
>> > Regds
>> > Nitin
>> >
>> > On Sun, Mar 15, 2009 at 4:34 PM, Peter Svidler
>> <doubleccie@yahoo.com>wrote:
>> >
>> >> the trick in my question was that i was expecting the command to look
>> >> like
>> >> redistribute isis (tag) ip level-2 into level-1 distrbuite-list 100
>> >>
>> >>
>> >> however the ( tag ) is not required , probably because you can run only
>> >> one level 2 process on the router but not sure .
>> >>
>> >>
>> >> to comment on your answer , L1 router can accept redistribution from
>> >> level2 (typically this redistibution will be on L1/2 router ) , the
>> prefixes
>> >> will appear as IA in the L1 router
>> >>
>> >> to run multi-area on single interface , you have to put multiple NET
>> >> commands under the same process , this scenarios is used for migration
>> >> purposes .
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> --- On *Sun, 3/15/09, Nitin Venugopal <nitinsworld@gmail.com>* wrote:
>> >>
>> >> From: Nitin Venugopal <nitinsworld@gmail.com>
>> >> Subject: Re: ISIS multi-area
>> >> To: "Fahad Khan" <fahad.khan@gmail.com>
>> >> Cc: "Peter Svidler" <doubleccie@yahoo.com>, ccielab@groupstudy.com
>> >> Date: Sunday, March 15, 2009, 6:15 AM
>> >>
>> >>
>> >> FYI-L1 is NSSA (eq OSPF) by default
>> >> ie it allows redistribtion, if it was totally stubby it wont
>> allow
>> >> redistribution
>> >> L1 only intraarea
>> >> L2 can be Inter Area or Intra Area
>> >> L1/L20 is like ABR in OSPF
>> >>
>> >> i have one question. How can you have multiple interface be part of
>> >> different ISIS area's . But with single ISIS process.
>> >>
>> >> *Say R1 *
>> >> Eth 0/0 to be part of 49.4004 and Eth 0/1 be part of 49.4008. But only
>> one
>> >> process allowed is on the router 'router isis 10'
>> >> And how will you differentiate which interface is part of which area?
>> >>
>> >> Regds
>> >> Nitin
>> >>
>> >>
>> >>
>> >> On Sun, Mar 15, 2009 at 2:03 PM, Fahad Khan <fahad.khan@gmail.com>
>> wrote:
>> >>
>> >> > I am sure you are talking about route leaking, since areas having L1
>> >> > routers
>> >> > are totally stubby by default. So you need to have route leaking
>> >> configured
>> >> > to inject specific L2 routes.
>> >> >
>> >> > You do it by
>> >> >
>> >> > redistribute isis ip level-2 into level-1 distribute-list <list
>> >> defining L2
>> >> > specific routes>
>> >> >
>> >> > regards,
>> >> >
>> >> > On Sun, Mar 15, 2009 at 11:40 AM, Peter Svidler <
>> doubleccie@yahoo.com
>> >> > >wrote:
>> >> >
>> >> > > Guys ,
>> >> > >
>> >> > > is it possible on a router that is running multiple instances of
>> >> ISIS to
>> >> > > redistribute one into another ?
>> >> > >
>> >> > > assume i have router with one process L2 and another process L1 , i
>> >> want
>> >> > to
>> >> > > redistribute the L2 process into the L1 process so that the
>> >> downstream
>> >> > sees
>> >> > > the explicit route ...however when i try redistribution under the
>> >> ISIS
>> >> > L1
>> >> > > process i get Unrecognized command !!!! is this even possible (
>> seems
>> >> yes
>> >> > )
>> >> > > but what am i missing here? ( AREA1 is created already )
>> >> > >
>> >> > > router isis
>> >> > >
>> >> > > R1(config-router)#redistribute isis ?
>> >> > > WORD ISO routing area tag
>> >> > > ip Redistribution of IP routes between levels
>> >> > > !(config-router)#redistribute isis AREA1 ?
>> >> > > % Unrecognized command
>> >> > >
>> >> > >
>> >> > >
>> >> > >
>> >> > > anyone sees something similar ?
>> >> > >
>> >> > >
>> >> > >
>> >> > >
>> >> > >
>> >> > > Blogs and organic groups at http://www.ccie.net
>> >> > >
>> >> > >
>> >> _______________________________________________________________________
>> >> > > Subscription information may be found at:
>> >> > > http://www.groupstudy.com/list/CCIELab.html
>> >> > >
>> >> > >
>> >> > >
>> >> > >
>> >> > >
>> >> > >
>> >> > >
>> >> > >
>> >> >
>> >> >
>> >> > --
>> >> > Muhammad Fahad Khan
>> >> > IT Specialist
>> >> > Global Technology Services, IBM
>> >> > +92-321-2370510
>> >> > +92-301-8247638
>> >> > http://www.linkedin.com/in/muhammadfahadkhan
>> >> > http://fahad-internetworker.blogspot.com
>> >> >
>> >> >
>> >> > Blogs and organic groups at http://www.ccie.net
>> >> >
>> >> >
>> _______________________________________________________________________
>> >> > Subscription information may be found at:
>> >> > http://www.groupstudy.com/list/CCIELab.html
>> >>
>> >>
>> >> Blogs and organic groups at http://www.ccie.net
>> >>
>> >> _______________________________________________________________________
>> >> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
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