I have a customer who is having an mpls-vpn connectivity in Hub-spoke topology .His HO is having seperate internet connectivity as well.Now one of his spoke site wanted to access Internet through Hub site(HO)using same last mile he is used for mpls-vpn.His last mile for mpls vpn is 128K isdn-bri.
Now I would like to know can we create virtual interface(sub interface) on ISDN port ?so that I can create 2 sub interfaces -one ofr VPN and one for internet.
what is the L-2 encapsulation used in case of ISDN
what would be the configuration.
Kindl assist with possible options if any