North American Network Operators Group

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Re: routing invalid IP addresses

  • From: Laurence F. Sheldon, Jr.
  • Date: Sat Feb 21 11:20:45 2004

Mikael Abrahamsson wrote:

On Sat, 21 Feb 2004, Laurence F. Sheldon, Jr. wrote:

Invalid?  Really?  I used to manage a small collection of cisco routers
and I don't recall any of them complaining about such an address.

Could be related to perhaps not having "ip subnet-zero"? (I have no idea, but the old thingie about highest and lowest network being broadcast/network address might be applicable in this case)
Could be.  There are a number of things that don't work right if they
are not configured correctly.