North American Network Operators Group

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Re: router interfaces

  • From: Chris Cappuccio
  • Date: Mon Apr 10 17:45:59 2000

This really depends on what software the router is using and how optimized it

You can easily have thousands of loopback (or other virtual interfaces) on a
PC router running a free OS.  The performance you will get depends on how the
OS handles routing tables and interfaces in the kernel!!!

As far as max next-hop gateways, this should only be limited by the limits of
the routing table.

On Mon, 10 Apr 2000, Andrew Brown wrote:

 | while arguing routing with a friend of mine, we got to the point where
 | the number of interfaces on a router was a point of contention.  now
 | certainly routing depends not only on the number of interfaces a
 | router has, but also on the number of next-hop gateways it need to
 | keep track of.
 | that said, i'd like to just ask: what's the largest number of
 | interfaces anyone has on any of their routers?  i was arguing that
 | high end routes would probably have maybe a few hundred.  my friend
 | was arguing in terms of theoretical limits and thought it was more
 | like tens of thousands.
 | max interfaces?  max next-hop gateways?
 | thanks.
 | -- 
 | |-----< "CODE WARRIOR" >-----|
 | [email protected]             * "ah!  i see you have the internet
 | [email protected] (Andrew Brown)                that goes *ping*!"
 | [email protected]       * "information is power -- share the wealth."

Reverend Chris Cappuccio