[c-nsp] mpls + ipv4 route

Tim Durack tdurack at gmail.com
Sat May 1 14:34:26 EDT 2010


On Sat, May 1, 2010 at 12:10 PM, Matteo Abrile <m.abrile at itelsi.com> wrote:
> Hi,
>
> We have bit confusion because when we use cisco 6500 with mpls + bgp and ospf, if we check tcam we found so:
>
> L3 Forwarding Resources
>             FIB TCAM usage:                     Total        Used       %Used
>                  72 bits (IPv4, MPLS, EoM)     524288      518838         99%
>                 144 bits (IP mcast, IPv6)      262144         329          1%
>
>                     detail:      Protocol                    Used       %Used
>                                  IPv4                      292787         56%
>                                  MPLS                      226050         43%
>                                  EoM                            1          1%
>
> We have 2 full route and some peering but not redistribute bgp in IGP, then we have ospf as IGP and not redistribute ospf in BGP, why we have some route in IPv4 and in MPLS ??
> I would have BGP and OSPF only in IPv4 partition of TCAM, how to do it ??
>

Do you have Inet in a vrf? We ran into something like this. Try: "mpls
label mode all-vrfs protocol bgp-vpnv4 per-vrf"

Disclaimer: It's a hidden command on the 6500, and not supported by
Cisco. Worked for us though.

-- 
Tim:>



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