Re: ç­å¤: BGP AS removal

From: ccie1@hotmail.com
Date: Wed Apr 02 2003 - 21:17:13 GMT-3

The other thing you could do is configure a confederation between R1 and R2
----- Original Message -----
From: "Teck PhrEAk!!" <phreakinphunk@hotmail.com>
To: <Linxiaodong@21Vianet.com>; <nettable_walker@attbi.com>;
<rshummoo@ca.ibm.com>; <ccielab@groupstudy.com>
Sent: Thursday, April 03, 2003 12:34 AM
Subject: Re: g-e$: BGP AS removal

> hmm..... ;-( i dont have access to routers for a couple of dayz.....so
cant
> try it myself......
>
> u can try and use attribute-map instead of advertise-map and try to "set
> Origin" on the aggregate.....again its a waayld thot....
>
> lemme know if it worked....waitin'....
>
> cheers
>
> sumit.
>
>
> >From: "Lin Xiaodong" <Linxiaodong@21Vianet.com>
> >To: "Teck PhrEAk!!"
>
><phreakinphunk@hotmail.com>,<nettable_walker@attbi.com>,<rshummoo@ca.ibm.co
m>,<ccielab@groupstudy.com>
> >Subject: g-e$: BGP AS removal
> >Date: Thu, 3 Apr 2003 16:15:49 +0800
> >
> >I test it but found it not work :(
> >
> >router bgp 2
> > aggregate-address 150.50.200.0 255.255.255.0 summary-only
> >advertise-map cisco
> >
> >ip access-list standard cisco
> > deny 150.50.200.0 0.0.0.255
> >
> >route-map cisco permit 10
> > match ip address cisco
> >
> >
> >the result is:
> >
> >R2#s ip bg
> >BGP table version is 23, local router ID is 133.11.2.2
> >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
> >*> 100.100.100.0/24 133.11.23.3 0 0 3 i
> >
> >
> >
> >R3#s ip bg
> >BGP table version is 101, local router ID is 135.11.1.1
> >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
> >*> 150.50.200.0/24 133.11.12.2 0 2 3 i
> >
> >
> >-----ee' i.d;6-----
> >ed;6d::: Teck PhrEAk!! [mailto:phreakinphunk@hotmail.com]
> >eif6i4: 2003e944f3f% 14:14
> >f6d;6d::: nettable_walker@attbi.com; rshummoo@ca.ibm.com;
> >ccielab@groupstudy.com
> >d8;i": RE: BGP AS removal
> >
> >
> >just a waayyld thot on this one.......might actually work!
> >
> >when u aggregate on r2....dont base the aggregate on the subnet of
> >150.50.200.0 i.e use advertise-map and deny network 150.50.200.0
> >
> >aggregate on R2 using 150.50.200.0 255.255.255.0 summary-only
> >advertise-map
> >phatdawg
> >
> >route-map phatdawg
> >match ip address 7
> >
> >access-list 7 deny 150.50.200.0 0.0.0.255
> >
> >lemme know if it worked....cant check here....
> >
> >cheers,
> >sumit.
> >
> >
> >
> >
> >
> > >From: "Mr. Richard L. Pickard" <nettable_walker@attbi.com>
> > >Reply-To: "Mr. Richard L. Pickard" <nettable_walker@attbi.com>
> > >To: "Ram Shummoogum" <rshummoo@ca.ibm.com>, <ccielab@groupstudy.com>
> > >Subject: RE: BGP AS removal
> > >Date: Wed, 2 Apr 2003 19:55:56 -0600
> > >
> > >4/2/2003 8:00pm Wednesday
> > >
> > >Can you send over the whole config ?
> > >
> > >Richard
> > >
> > >//
> > >
> > >
> > >-----Original Message-----
> > >From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> > >Ram Shummoogum
> > >Sent: Wednesday, April 02, 2003 3:23 PM
> > >To: ccielab@groupstudy.com
> > >Subject: BGP AS removal
> > >
> > >
> > >150.50.200.0(R1)----(R2)------(R3).
> > >
> > >R1 belongs to AS1
> > >R2 belongs to AS2
> > >R3 belongs to AS3
> > >
> > >I inject 150.50.200.0 using the network command on R1 and see
> >150.50.200.0
> > >in R3 with as_path of 2 1.
> > >
> > >The question is how can I remove the 1 from the As Path on R3.
> > >
> > >I have tried using the network command on R2 with no success.
> > >If I aggregate on R2 using 150.50.200.0 255.255.255.0 summary-only , I
> > >will still see 150.50.200.0 with as-path 2 1 ( no change).
> > >However, if I aggregate on R2 using 150.50.0.0 255.255.0.0
> >summary-only,
> > >then I will see 150.50.0.0 with as-path 2. The question was to get
> > >150.50.200.0 and not 150.50.0.0.
> > >
> > >I can't get the 150.50.200.0 to work.
> > >
> > >
> > >Thank you.
> > >
> > >RAM
> >
> >
> >_________________________________________________________________
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