North American Network Operators Group

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Re: TCP session disconnection caused by Code Red?

  • From: Craig Partridge
  • Date: Mon Aug 06 15:58:06 2001

RFC 1122 mandates that you query for a particular ARP
destination no more frequently than once per second.

RFC 1122 also notes a number of reasons why people may want to make
the positive ARP cache timeout long -- if one suppresses ARP queries
for that time, you'll have the situation where if a popular host goes
down for a period of time, it is effectively off the network for a long
period while waiting for ARP negative caches to timeout.  Probably
a bad idea.  Rate limiting, as RFC 1122 suggests, would seem to be much