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Conference netcad::hub_mgnt

Title:DEChub/HUBwatch/PROBEwatch CONFERENCE
Notice:Firmware -2, Doc -3, Power -4, HW kits -5, firm load -6&7
Moderator:NETCAD::COLELLADT
Created:Wed Nov 13 1991
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:4455
Total number of notes:16761

2277.0. "DECrpeater port security problem with destroyed ethernet packets" by UTOPIE::ROBERT (Robert Windisch TSSC-Vienna/Austria @AUI x2563) Mon May 15 1995 11:17

One of our customers logged a call complaining, that the DECrepeater900TM is
"too" secure if he enables port security.

He ran into problems after some transient problem on his twisted pair ethernet 
link to one of his DECrepeater900TM ports.

After a clobbered packet, the DECrepeater has catched a (as he thinks) wrong
ethernet address coming in to the port and locks down the port.

Unfortunately, this was only a destroyed ethernet source address, but this in
turn has forced his VAXcluster to a grinding halt.

He has asked me, if we (Digital) can change the DECrepeater security
so, that the port lockdown will only happen after a series of (2 or 3) packets
with wrong source address to prevent the unwanted port lockdowns.

Any comments?

Robert
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