July 8, 2010

Dynamic Multipoint VPN - DMVPN

One of the most interesting feature of DMVPN as far as my personal opinion goes is its extended support for VRF on MPLS networks. Remember, VRF allows multiple instance of routing tables to co-exist on the same router at the same time. Having said that, DMVPN helps scalling out tradional IPSEC hub-and-spoke VPN configuration by setting permanent and temporary connections, respectively from the spoke routers to the hub router and between the spoker routers as needed. ... Read more