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Community Member

What is a Virtual Router?

Please help me.

3 REPLIES

Re: What is a Virtual Router?

There are many definitions for a virtual router, depends on the situation.

One of them is an application that simulates a router. i.e. dynamips http://www.ipflow.utc.fr/index.php/Cisco_7200_Simulator

Another one is a protocol that advertise a "virtual router" (an abstract representation of master and backup routers acting as a group). Virtual Router Redundancy Protocol (VRRP) http://en.wikipedia.org/wiki/Virtual_router_redundancy_protocol

Community Member

Re: What is a Virtual Router?

And of course VRF instances allow you to maintain and utilize separate routing tables for each instance. If you were to toss out "virtual router" that would be the first thing to pop into my head.

http://en.wikipedia.org/wiki/VRF

Hall of Fame Super Silver

Re: What is a Virtual Router?

Hello,

on high end routers like CRS you can logically partition the chassis and the linecards in so called virtual routers that will have separate management, interfaces, a share of resources.

Other vendors call virtual router the equivalent of an MPLS VRF

Hope to help

Giuseppe

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