From: Cisco Cruzzer (ciscocruzzer@gmail.com)
Date: Tue Jul 15 2008 - 17:33:35 ART
On a 3750 12s running IOS 12.2.44 we are seeing two gigabit interfaces,
1/0/1 and 1/0/6, flapping down and up repeatedly for a total duration
of 3 seconds.
Gigabit 1/0/1 was half of a redundant link to our dual 6500 core and
when it flapped
caused packet loss so we went ahead and shut down 1/0/1 but 1/0/6
still is showing the
issue. Logs from the 3560-48 connected to 1/0/6 do not show a port
flap when the 3750
reports the flap. We have reloaded the switch and changed out the
gbics on both sides of
the connection to gigabit 1/0/1 but the problem still occurs.
why is that? is there a walk-around?
Thanks group
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