Re: BGP Address Family

Thanks for correcting. I only used it for vrf but sounds like I need to dive
deeper
On Jun 3, 2011 7:35 PM, "Bilal Hansrod" <bilal.hansrod_at_gmail.com> wrote:
> Thanks Marc,
>
> I believe, there are three options with this command (address-family ipv4
> unicast). i.e.
>
> *address-family ipv4* [*multicast* | *unicast* | *vrf* *vrf-name*]
>
> If I am only using address-family ipv4 unicast that I am not referencing
to
> vrf and essence not using vrf. By researching more and reading this Blog (
>
http://blog.ioshints.info/2008/06/use-explicit-address-family-ipv4-in-bgp.html
),
> I understand it provides easy to read configuration feature if we are
using
> all three options such as MPLS VPN, IPv6 or IP Multicast over BGP.
>
> Thanks,
>
>
> Bilal Hansrod
>
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> Sat, Jun 4, 2011 at 12:15 PM, marc edwards <renorider_at_gmail.com> wrote:
>
>> Will add 32 bits to header to carry vrf information over MPLS backbone.
>> Essentially that command enables MP BGP
>> On Jun 3, 2011 6:46 AM, "Bilal Hansrod" <bilal.hansrod_at_gmail.com> wrote:
>> > Hello Team,
>> >
>> > I was working on BGP lab and came across multiple address family
command.
>> > Can anyone please explain one of the below command and correct other
two
>> if
>> > it is incorrect.
>> >
>> > 1. address-family ipv4 unicast - I have disabled this command instead
of
>> > disabling no bgp default ipv4-unicast. I didn't see any difference, may
>> be I
>> > don't know why we need this command.
>> >
>> > 2. no bgp default ipv4-unicast - This command is required to disable
>> normal
>> > IPv4 adjacency.
>> >
>> > 3. address-family vpnv4 unicast - This command will provide mechanism
to
>> > carry additional attributes across BGP updates such as RT,SoO,
Domain-ID,
>> > metric propagation and make true MP-BGP.
>> >
>> > I have seen some past post, but still little bit confused.
>> >
>> > Can anyone please shed some light on above points.
>> >
>> > Thanks,
>> >
>> > Bilal Hansrod
>> >
>> >
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>> >
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Received on Fri Jun 03 2011 - 19:37:40 ART