From: HP-France,ex2 ("SANCHEZ-MONGE,ANTONIO)
Date: Mon Mar 22 2004 - 19:39:58 GMT-3
Hi Brian,
I have tried bgp inject-map functionality as per one of your labs and did
not succeed to get it working. I used the same config as in the solutions
guide. I have read previous posts in this list saying it is not supported in
middle-low range routers. Mmm...
Cheers,
Ato.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Brian McGahan
Sent: lunes, 22 de marzo de 2004 23:00
To: 'Narayan Gawas'; 'Packet Man'; EMoffat@fsci.com; ccielab@groupstudy.com
Subject: RE: Bgp summary
The only way that 192.68.0.0 will show up as "*> 192.68.0.0" in the
BGP table is if the network is 192.68.0.0/24. The mask does not show up in
the "show ip bgp" output if it is classful. Otherwise the mask is included.
Therefore there are two possible ways to interpret this scenario:
1. You are missing some key piece of the puzzle, and the question is not
asking for "*> 192.68.0.0" in the BGP table
Or
2. 192.68.0.0/24 must be injected into the BGP table
FYI there *is* a way to inject 192.68.0.0/24 without using:
1. the network statement
2. the aggregate-address statement
3. redistribution
Any takers? :)
HTH,
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987 x 705
Outside US: 775-826-4344 x 705
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of Narayan Gawas
> Sent: Monday, March 22, 2004 10:22 AM
> To: 'Packet Man'; EMoffat@fsci.com; ccielab@groupstudy.com
> Subject: RE: Bgp summary
>
> I am sorry ,my question was not that clear
>
> r1-->r2.----R6
> r1 send following route to R2
>
> 197.68.1.0/24,
> 197.68.2.0/24
> 197.68.3.0/24
> 197.68.0.0/19
>
> In R2,after summarization, In BGP table we get following routes
>
> *> 192.68.0.0/16
> *> 192.68.1.0
> *> 192.68.2.0
>
> Goal :
> Only 197.68.0.0 should be appear in Bgp table of R6--without /16 We
> cannot use summary command,suppres route map at R2
>
> i did following but it only work if we summarize route to /24 in r2
> bgp table But doest work if we summarize 197.68 into /16.
>
> ip prefix-list R3-OUT seq 5 permit 197.68.0.0/24 le 25
> Router bgp 1
> Agg-add 197.68.0.0 255.255.255.0
> neighbor 135.4.6.6 prefix-list R3-OUT out
>
> ------------------------------------------
>
> NARAYAN GAWAS
> Cisco Technical Assistance Center(CiscoTAC)
> ngawas@cisco.com
> -------------------------------------------
>
> -----Original Message-----
> From: Packet Man [mailto:ccie2b@hotmail.com]
> Sent: Monday, March 22, 2004 12:04 PM
> To: ngawas@cisco.com; EMoffat@fsci.com; ccielab@groupstudy.com
> Subject: RE: Bgp summary
>
>
> Assuming you have "no auto sum" under your router bgp config, what
> would happen if auto-sum were enabled? Would that do the trick?
>
>
> >From: "Narayan Gawas" <ngawas@cisco.com>
> >Reply-To: "Narayan Gawas" <ngawas@cisco.com>
> >To: "'Moffat, Ed'" <EMoffat@fsci.com>, <ccielab@groupstudy.com>
> >Subject: RE: Bgp summary
> >Date: Mon, 22 Mar 2004 09:41:39 +0900
> >
> >----------------------------------------- (on firestar)
> >
> >Tacsuns has scanned the file email-body and no virus was found.
> >---------------------------------------------------------
> >That means to summarise these route ,I have to create loopback with
> >192.168.0.0 net ,mask 255.255.255.0 and advertise loopback net into
> >Bgp ? Am I right ?
> >
> >
> > ------------------------------------------
> > NARAYAN GAWAS
> > Cisco Technical Assistance Center(CiscoTAC)
> > ngawas@cisco.com
> >-------------------------------------------
> >
> >-----Original Message-----
> >From: Moffat, Ed [mailto:EMoffat@fsci.com]
> >Sent: Monday, March 22, 2004 9:33 AM
> >To: 'Narayan Gawas'; 'ccielab@groupstudy.com'
> >Subject: RE: Bgp summary
> >
> >
> >I believe that the only way you will not see the /16 is if the
> >192.168.0.0 address is actually at /24 address that is announced.
> >
> >-Ed-
> >
> >-----Original Message-----
> >From: Narayan Gawas [mailto:ngawas@cisco.com]
> >Sent: Sunday, March 21, 2004 4:18 PM
> >To: ccielab@groupstudy.com
> >Subject: Bgp summary
> >
> >Is there another way to annonce only a summary address (192.68.0.0 )
> >from BGP table without using the smmary neither the summary filter ,
> >summary-only ?
> >
> >AS ----- R1 ------ R2
> >R1 BGP Table after aggregate
> >*> 192.68.0.0/16
> >*> 192.68.1.0
> >*> 192.68.2.0
> >R2 BGP Table which is goal to this senario.
> >*> 192.68.0.0
> >R1'router must advertise by 192.68.0.0 except /16'mark Don't see
> >"/16" word in R2 and it must see "192.68.0.0" only. Don't see "S"
> >suppress mark in R1. Don't use summary-only command by R1.
> >
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