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a lots of underrun and "output buffer failures" in interface

mishao
Level 1
Level 1

hi,

my 3550 has a fastethernet interface with a lots of underrun and output buffer failures in output errors. this port is a trunk port. Did anyone have the same experence ? how to solve it.

best regards.

fred.

1 Reply 1

Prashanth Krishnappa
Cisco Employee
Cisco Employee

Check to see if you are seeing lot of multicast/broadcast traffic in your network and on this trunk using a sniffer. A bug was filed for this issue but was closed since it was due to oversubscription.

http://www.cisco.com/cgi-bin/bugtool/onebug.pl?bugid=CSCdy09531