North American Network Operators Group
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Re: IGPs and services?

  • From: Neil J. McRae
  • Date: Fri May 19 15:06:12 2000 
> This is actually very common in "off-brand" (ie. anything besides Linux,
> *BSD, and Solaris) IP stacks.  The current shipping versions of many
> OSes do some very odd things: cache a static route upon performing
> PMTUD, cache static routes to one of multiple default gateways, refuse
> to honor gratuitous ARPs, refuse to time out ARP entries, cache ARP
> entries with mcast MACs, cache ICMP redirects classfully, etc.
> 
> What's worse is these "caches" tend to be permanent, usually not even
> allowing manual overrides (other than a reboot).
> 

Yah, BSDI added this to version 3 and I bought the source license just
so I could hack it out, it really broke things on a box running
any kind of routeing protocol.

Regards,
Neil.