From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Thu Mar 25 2004 - 00:32:46 GMT-3
Yes, this is the solution I was referring to. It does work on the
2600 platform as I have configured it before (as it is referred to in
IEWB-RS). The inject-map allows you to originate a prefix based on
arbitrary information in the BGP table.
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
> ngawas
> Sent: Wednesday, March 24, 2004 6:20 PM
> To: 'Gerry Hilton'; bmcgahan@internetworkexpert.com
> Cc: ccielab@groupstudy.com
> Subject: RE: Bgp summary
>
> Sorry,I did not try chris solution.
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Gerry Hilton
> Sent: Thursday, March 25, 2004 8:00 AM
> To: bmcgahan@internetworkexpert.com
> Cc: Narayan Gawas; ccielab@groupstudy.com
> Subject: Re: Bgp summary
>
>
> Hi. Is this the solution that you were referring to, Brian? If not,
> what was your solution?
>
> Thanks,
> Gerry
>
> Narayan Gawas wrote:
>
> >Thanks .
> >
> >I think this command work on 3725 series router with 12.2
> >
> >Regards
> >Narayan
> >
> >
> > ------------------------------------------
> > NARAYAN GAWAS
> > Cisco Technical Assistance Center(CiscoTAC)
> > ngawas@cisco.com
> >-------------------------------------------
> >
> >-----Original Message-----
> >From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> >christopher snow
> >Sent: Tuesday, March 23, 2004 10:56 AM
> >To: alsontra@hotmail.com
> >Cc: ccielab@groupstudy.com
> >Subject: Re: Bgp summary
> >
> >
> >I got is working on a MC3810 "flash:mc3810-a2jk8sv5-mz.122-15.t7.bin"
> >
> >Make sure you match the route source of the router advertsing the
> >aggregate in the route-map or it wont work (see bold below). I didnt do
> >that at first and it didnt work.
> >
> >*** I am going R1 to R4 to R5, original diagram was R1 to R2 to R6
> >********
> >
> >
> >router bgp 400
> >no synchronization
> >bgp log-neighbor-changes
> >bgp inject-map INJECT exist-map EXIST
> >neighbor 10.10.10.6 remote-as 100
> >neighbor 172.16.45.5 remote-as 500
> >neighbor 172.16.45.5 route-map R5 out
> >!
> >ip prefix-list 5 seq 5 permit 192.168.0.0/24
> >!
> >ip prefix-list EXIST seq 5 permit 192.168.0.0/16
> >!
> >ip prefix-list INJECT seq 5 permit 192.168.0.0/24
> >!
> >ip prefix-list SOURCE seq 5 permit 10.10.10.6/32
> >!
> >route-map INJECT permit 10
> >set ip address prefix-list INJECT
> >!
> >route-map EXIST permit 10
> >match ip address prefix-list EXIST
> >match ip route-source prefix-list SOURCE
> >!
> >route-map R5 permit 10
> >match ip address prefix-list 5
> >set origin igp
> >
> >Here is the desination router
> >
> >R5#show ip bgp
> >BGP table version is 26, local router ID is 150.1.5.5
> >Status codes: s suppressed, d damped, h history, * valid, > best, i -
> >internal
> >Origin codes: i - IGP, e - EGP, ? - incomplete
> >
> >Network Next Hop Metric LocPrf Weight Path
> >*> 192.168.0.0 172.16.45.4 0 400 i
> >
> >Chris Snow
> >
> >--- alsontra@hotmail.com wrote:
> >
> >
> >>It did not work for me either. After doing a tiny
> >>bit of research, I
> >>concluded it was not supported
> >>
> >><snip>
> >>The BGP Conditional Route Injection feature is
> >>supported by all platforms in
> >>Cisco IOS Release 12.2(14)S that support BGP:
> >>
> >>a.. Cisco 7200 series
> >>b.. Cisco 7400 series
> >>c.. Cisco 7500 series
> >></snip>
> >>
> >>http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122new
> >>ft/122t/122t4/ftbgpri.htm
> >>
> >>Alsontra-
> >>
> >>----- Original Message -----
> >>From: "SANCHEZ-MONGE,ANTONIO (HP-France,ex2)"
> >><antonio.sanchez-monge@hp.com>
> >>To: "'Brian McGahan'"
> >><bmcgahan@internetworkexpert.com>;
> >><ccielab@groupstudy.com>
> >>Sent: Monday, March 22, 2004 2:39 PM
> >>Subject: RE: Bgp summary
> >>
> >>
> >>
> >>
> >>>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]
> >>>>>
> >>>>>
> >=== message truncated ===
> >
> >
> >Do you Yahoo!?
> >Yahoo! Finance Tax Center - File online. File on time.
> >
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