[c-nsp] Carrier Supporting Carrier

[Annu Roopa]

Aditya,
 
When u make the statement "They do L2vpn(kompella)/VPLS via MP-BGP but now 
have martini(LDP) implementation also." i think u are referring to Juniper right ?
 
But I heard (not sure) that the new Jun OS version some 8.x is supporting 
EBGP IPv4 + Label. Which version are u referring to ? Anyone know if this is true.
 
Thanks,

Annu.


addie_list at dacafe.com wrote:
There are 3 options as per Rfc2547b for providing Multi-AS Backbones.

1.Ebgp VRF-VRF between ASBR's.
2.MP-EBGP between ASBR's for VPN-IPV4 prefix distribution.
3.Multi-Hop MP-EBGP between PE's for VPN-IPV4 prefix distribution.

Option 3 requires EBGP-IPV4+label functionality between the ASBR's.

This option is also helpfull in implementing Inter-AS L2vpn(martini)as you
only need a IGP label for PE /32 and have D-LDP session between the PE's
for vc label xchange.

We have implemented Inter-AS L3/L2 Vpn's across the globe, but platform
specific for Inter-As L2vpn.

Junos does not support EBGP IPV4+ Label functionality and cisco doesn't
support L2VPN via MP-BGP so have major inter-op issue there.

They do L2vpn(kompella)/VPLS via MP-BGP but now have martini(LDP)
implementation also.

Cisco CsC
http://www.cisco.com/en/US/partner/products/sw/iosswrel/ps1612/products_feature_guide09186a00800e9572.html

Carrier Supporting Carrier IPv4 BGP Label Distribution
http://www.cisco.com/en/US/partner/products/sw/iosswrel/ps1612/products_feature_guide09186a0080080d1b.html

Juniper 2547bis.
http://www.juniper.net/solutions/literature/white_papers/200014.pdf





Providing an L2vpn/Vpls wrt CsC is better proposition now with the new OAM
capabilities on both Cisco(VCCV) and Juniper(lsp-ping).


Robert,is this for a certain RFP which is floating around }:



Rgds
Aditya

> Yes,Robert but would that not also be CsC because when the ISP in US
> provides
> only a backbone (no MPLS service ) to the Tier 3 ISP in Asia Pac who is
> connected
> to another ISP with another AS # in US (these two have IP and MPLS VPNs)
> over the
> bigger ISP.
>
> This is how i have understood it because the Deisgn option 2 and 3 of
> Inter AS VPNs
> per cisco are very close to the CsC design config. If i have wrongly
> undertsood can u
> please add how would one see CsC.
>
> Thanks
>
> Annu.
>
>
>
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