Re: BGP MDT

This not a bug but IOS operation itself. Kindly go through the excerpt from
the link shared by Brian:-

"*when a default MDT configuration exists and a VPNv4 neighbor in BGP is
configured, a similar neighbor in the IPv4 MDT address family will be
automatically configured.*"

Cheers,
Nicky

On Tue, Jun 26, 2012 at 8:46 PM, Roger Pfaeffli <rpf23543_at_gmail.com> wrote:

> If you remove the neighbor from the mdt address family and it still
> appears in the config under the address family, it seems to be a bug. There
> is nothing like the "no bgp default ipv4 unicast". Like Brian said, if you
> completely want to remove The functionality" just delete the address-family
> ipv4 mdt.
>
> Regards
>
> Roger #23543
>
> Sent from my iPhone
>
> On 26.06.2012, at 14:22, Nicky <ccienovice_at_gmail.com> wrote:
>
> > Hi Brian,
> >
> > Kindly ignore the first sentence and please do let me know if there is
> any
> > command similar to "no bgp default ipv4-unicast" to disable this MDT SAFI
> > functionality.
> >
> > Cheers,
> > Nicky
> >
> > On Tue, Jun 26, 2012 at 5:47 PM, Nicky <ccienovice_at_gmail.com> wrote:
> >
> >> Hi Brian,
> >>
> >> Even if use the command no neighbor and reload the router the
> >> configuration reappears. Is there any command same as "no bgp default
> >> ipv4-unicast"?
> >>
> >> Cheers,
> >> Nicky
> >>
> >>
> >> On Tue, Jun 26, 2012 at 5:00 PM, Brian McGahan <bmcgahan_at_ine.com>
> wrote:
> >>
> >>> MDT BGP neighbors don't get activated by default. Just like any other
> >>> AFI/SAFI in BGP, e.g. VPNv4, VPNv6, etc. you have to enable it
> manually.
> >>> You would need to add the "neighbor w.x.y.z activate" command under the
> >>> address-family ipv4 mdt.
> >>>
> >>> For versions that a pre-standard for BGP MDT SAFI, your VPNv4 peers
> will
> >>> also be your MDT peers. If you migrate to a newer version that
> supports
> >>> the BGP MDT standard it will automatically activate these peers under
> MDT
> >>> in addition to their VPNv4 configuration:
> >>>
> >>>
> >>>
> http://www.cisco.com/en/US/docs/ios/12_2s/feature/guide/fs_mvpn.html#wp1116841
> >>>
> >>> If you want to remove a peer though you simply need to say "no neighbor
> >>> w.x.y.z activate" under address-family ipv4 mdt.
> >>>
> >>>
> >>> HTH,
> >>>
> >>> Brian McGahan, CCIE #8593 (R&S/SP/Security)
> >>> bmcgahan_at_INE.com
> >>>
> >>> Internetwork Expert, Inc.
> >>> http://www.INE.com
> >>>
> >>> -----Original Message-----
> >>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf
> Of
> >>> Nicky
> >>> Sent: Tuesday, June 26, 2012 5:58 AM
> >>> To: ccielab_at_groupstudy.com
> >>> Subject: BGP MDT
> >>>
> >>> Hi All,
> >>>
> >>> By default the neighbors get activated under address family ipv4 mdt.
> >>>
> >>> Is there any command to disable the default activation.
> >>>
> >>> Thanks & Regards,
> >>> Nicky
> >>>
> >>>
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Received on Tue Jun 26 2012 - 20:57:08 ART