RE: BGP Neighbor originated routes

show ip bgp neighbors x.x.x.x advertised-routes

> From: Kaiser_anwar_at_hotmail.com
> To: ccie99999_at_gmail.com
> CC: ccielab_at_groupstudy.com
> Subject: RE: BGP Neighbor originated routes
> Date: Sat, 12 Jan 2013 11:41:02 -0600
>
> Thanks, anyone knows of command to see what you are advertising to your ISP
> peer to make sure you are advertising what you are supposed to??
>
> Thanks
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> ccie99999
> Sent: Saturday, January 12, 2013 9:13 AM
> To: Kaiser Anwar
> Cc: Cisco certification
> Subject: Re: BGP Neighbor originated routes
>
> then filter:
>
> ip as-path access-list 1 permit _1234_
>
> route-map AVOID_TRANSIT deny 10
> match as-path 1
> route-map AVOID_TRANSIT permit 20
>
> router bgp 1234
> network x.x.x.x x.x.x.x
> neighbor y.y.y.y route-map AVOID_TRANSIT out
>
> should work... test it before in a lab
>
>
>
>
> On Sat, Jan 12, 2013 at 2:57 PM, Kaiser Anwar
> <Kaiser_Anwar_at_hotmail.com>wrote:
>
> > We do have a multi home scenario and makes sense to only advertise
> > your network. ****
> >
> > ** **
> >
> > Thanks ****
> >
> > ** **
> >
> > *From:* ccie99999 [mailto:ccie99999_at_gmail.com]
> > *Sent:* Saturday, January 12, 2013 8:50 AM
> > *To:* Kaiser Anwar; Cisco certification
> >
> > *Subject:* Re: BGP Neighbor originated routes****
> >
> > ** **
> >
> > It depends. Do you have a multi-home scenario and therefore you peer
> > with another AS?****
> >
> > If so, probably you don't want to become a transit AS, show you should
> > permit out only your AS (_1234$)****
> >
> > Otherwise redistribute your network into bgp, summarize it or install
> > the prefixes you have with network command. ****
> >
> > someone correct me please if I am wrong. ****
> >
> > ** **
> >
> > ** **
> >
> > On Sat, Jan 12, 2013 at 2:39 PM, Kaiser Anwar
> > <Kaiser_Anwar_at_hotmail.com>
> > wrote:****
> >
> > So the same on if I want to allow only my network to the ISP outbound.
> > I should apply the same type access list outbound ****
> >
> > ****
> >
> > *From:* ccie99999 [mailto:ccie99999_at_gmail.com]
> > *Sent:* Saturday, January 12, 2013 8:18 AM
> > *To:* Kaiser Anwar
> > *Cc:* Cisco certification
> > *Subject:* Re: BGP Neighbor originated routes****
> >
> > ****
> >
> > that's correct.. ****
> >
> > test it using show ip bgp regex _1234$ (where 1234 is the AS where
> > routes are originated)****
> >
> > ****
> >
> > ****
> >
> > On Sat, Jan 12, 2013 at 2:14 PM, Kaiser Anwar
> > <Kaiser_anwar_at_hotmail.com>
> > wrote:****
> >
> > Hi,
> >
> > Just checking to make this is the correct command to make sure I only
> > get the ISP originated routes
> >
> > ip as-path access-list 1 permit _1234$
> >
> > Thanks
> >
> >
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> >
> >
> >
> > ****
> >
> >
> >
> >
> > -- ****
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> >
> >
> >
> >
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Received on Sat Jan 12 2013 - 21:22:10 ART