Re: MPLS L3 VPN query

Aaron,

65535 is like a global eigrp process where u can have many AS for different
customers.
In ur case AS 100 is the used to peer for Customers and AS 100 is used for
any global process which is not participated by customer

On Fri, Jan 20, 2012 at 2:24 AM, Aaron <aaron1_at_gvtc.com> wrote:

> Thanks Gaurav, If eigrp AS 100 is for pe ce eigrp AS neighboring..then what
> is eigrp AS 65535 used for ? is there significance with 65535?
>
>
>
> Aaron
>
>
>
>
>
> From: GAURAV MADAN [mailto:gauravmadan1177_at_gmail.com]
> Sent: Thursday, January 19, 2012 11:25 AM
> To: Aaron
> Cc: Paul Negron; Routing Freak; Cisco certification
> Subject: Re: MPLS L3 VPN query
>
>
>
> AS command under address family is to do with AS runnign betwen as PE and a
> CE
>
> Example
>
> CE is EIGRP AS 100
>
> PE can say
>
> router eigrp 65535
> address-family ipv4 vrf TEST
> autonomous-system 100
> .........
> .........
>
>
> HTH
> Gaurav Madan
>
> On Thu, Jan 19, 2012 at 10:48 PM, Aaron <aaron1_at_gvtc.com> wrote:
>
> I also recall something about the autonomous-system command under the eigrp
> process under the vrf specific af having some significance too with vrf
> eigrp via mpls core
>
> Aaron
>
>
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> Paul
> Negron
> Sent: Thursday, January 19, 2012 10:55 AM
> To: Routing Freak; Cisco certification
> Subject: Re: MPLS L3 VPN query
>
> BGP also uses a similar method of keeping track of the OSPF info
> (Domain-ID,
> Cost using the MED attribute, type of route). Look at the extended
> information for OSPF like you did EIGRP.
>
> ISIS should not be used to the edge and I know it used to leak routes in an
> efficient way in the VPN in times past. Very inconsistent and sloppy. I
> know
> they have cleaned some things up in code but I have not implemented ISIS to
> the edge in any real scenario to verify.
>
> Paul
> --
> Paul Negron
> CCIE# 14856 CCSI# 22752
> Senior Technical Instructor
>
>
>
> > From: Routing Freak <routingfreak_at_gmail.com>
> > Reply-To: Routing Freak <routingfreak_at_gmail.com>
> > Date: Thu, 19 Jan 2012 21:22:42 +0530
> > To: Cisco certification <ccielab_at_groupstudy.com>
> > Subject: MPLS L3 VPN query
> >
> > Hi all,
> >
> > I have a weird doubt when redistributing EIGRP or OSPF or ISIS into MPBGP
> > update to another PE and again MPBGP is redistributed into EIGRP or OSPF
> or
> > ISIS.
> > How does BGP carry EIGRP info or OSPF info or ISIS info such as ( Area
> for
> > OSPF, internal route or external route what is the area type or lsa type)
> > or for EIGRP ( AS number , Delay, BW). I know for EIGRP , there is
> extended
> > bgp communites attributes to carry for EIGRP .. ( which is
> > 8801,8802,8803,8804,8805)
> >
> > But wat about OSPF or ISIS into BGP ( how does BGP carry OSPF or ISIS
> > routes) ? Is there any extended community attributes for this?
> >
> > And also how does OSPF or ISIS carry BGP updates from one end to another
> > end ? Is there any extended TLVS for it or else is there any other
> > extended headers for OSPF or ISIS to carry BGP information.
> >
> >
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