Do any one have the experiences in implementation on backup the MPLS VPN ?Can i use IPsec or GRE vpn to backup MPLS vpn ?The situation is here : I have CIsco 3662 with an ether port to vrf building and a DDN leased line to tranport the 4 MPLS VPN...
The CSS can only do PAT ,Not NAT .You can config at most 255 content rules so that you can only use 255 ip addre to translated to.So i think if you can use more ip addre to be translated to ,which will be better.