O'Reilly logo

MPLS Fundamentals by Luc De Ghein - CCIE No. 1897

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Carrying IPv6 over an MPLS Backbone

Because of the huge success of MPLS VPN, most service provider networks are running MPLS in their network today. If the service provider has customers connected to his network who want to run IPv6 and the service provider needs to carry IPv6 across his network, the obvious solution is to have IPv6 running on his routers, too. However, this approach has two disadvantages. First, the service provider needs to enable a new protocol (IPv6) on all his routers. Because IPv4 and IPv6 are running on the router, the router is running a dual-stack. Second, the other customers—still running IPv4—are not going away or transitioning their network to IPv6 overnight. Therefore, IPv4 and IPv6 have to run in parallel for a ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required