North American Network Operators Group

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Re: Filtering Source Addresses on gw-internet

  • From: Jon Lewis
  • Date: Fri Aug 15 04:12:47 1997

On Thu, 14 Aug 1997, Greg Ketell wrote:

> One of the IS group Engineers ran some tests in the lab.
> (Thanks Craig).  It appears that, unfortunately, policy routing
> packets to Null0 is also a process switched operation.
> Apparently Null0 does not qualify as a Point-to-point interface
> with regards to the Set Interface command.

I vaguely remember hearing somewhere that routing to a loopback interface
was better than null0 for feeding unwanted packets into a black hole.  Is
that case perhaps not process switched? 

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