From: Peter (peter@cyscoexpert.com)
Date: Mon Oct 21 2002 - 13:13:08 GMT-3
Kris,
I think you wanted to reply to Persio, not me.
__________________________
Peter
#7247 (R&S, Security)
CyscoExpert Corp.
4433 W. Touhy Ave. Suite 410
Lincolnwood, IL 60712
Phone (847) 674-3392
Fax (847) 674-2625
----- Original Message -----
From: "Kris Keen" <kkeen@bigpond.net.au>
To: "Peter" <peter@cyscoexpert.com>; <ccielab@groupstudy.com>
Sent: Monday, October 21, 2002 10:37 AM
Subject: Re: address-family
> Hi Peter
>
> Its used within MPLS/VPN enviroments and is generally configured on a PE
> (Provider edge), think of an address family as seperate BGP tables, which
> are used to contain routes from a particular source, or as they say VRF.
> This basically allows a router to become multiple routers, each holding
many
> VRF's or address familys. I configure these quite alot at work (we have
> heaps on some of the routers). Routes are injected at the PE into these
> tables, these routes are tagged and EXPORTED/sent across a backbone (label
> switched) , the recieving PE will IMPORT a particular set of routes
> (generally the routes that were imported from the same customer) which are
> then entered into the BGP table.
>
> The PE routers are then attached via various methods to CE (customer edge
> routers) which accept routes from the PE for that VRF, the book mentioned
> below goes into various VPN topologies.
>
> The address family allows you to esentially run multiple BGP tables, all
> totally seperate, you define neighbors, redistribute commands and so on.
>
> A good read on this is MPLS and VPN Arche by Pepelnjak (Cisco Press)
>
> Thats in a nutshell, I'm not usually one to explain things so its my first
> attempt :)
>
> Chers
> Kris
> ----- Original Message -----
> From: "Peter" <peter@cyscoexpert.com>
> To: <ccielab@groupstudy.com>
> Sent: Tuesday, October 22, 2002 12:12 AM
> Subject: Re: address-family
>
>
> > It is used with MPLS/VPN.
> >
> > __________________________
> > Peter
> > #7247 (R&S, Security)
> > CyscoExpert Corp.
> > 4433 W. Touhy Ave. Suite 410
> > Lincolnwood, IL 60712
> > Phone (847) 674-3392
> > Fax (847) 674-2625
> >
> >
> > ----- Original Message -----
> > From: "Persio Pucci" <persiopucci@uol.com.br>
> > To: <ccielab@groupstudy.com>
> > Sent: Monday, October 21, 2002 8:29 AM
> > Subject: address-family
> >
> >
> > > Hi folks!!!
> > >
> > > Can anybody explain to me what does the "address-family [ipv4 | vpnv4]
> > etc"
> > > command actually does? When to use it and how to?
> > >
> > > Regards,
> > >
> > > Persio
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