Re: No echo from the NIC

Wed, 5 Aug 87 23:56:57 EDT


I can't believe this. Nobody (!?) pings the NIC unless they can't connect
and wants to find out why not. So the NIC turns off ICMP as a defense
measure? My prior experience has been that ICMP worked, but TCP connections
took a v e r y long time to complete. It is certainly obvious that the
NIC is overloaded; however, if a significant contributory factor is ICMP
echoes, I submit turning them off will only result in their replacement
by TCP connection attempts. Considering the TOPS-20 initial-connection
TCP design, this would be an even worse disaster.


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