we use the non negotiate mode on all our trunks...we dont consider it a work around.. have you checked your g-bics at both ends ?
Larry Letterman Network Engineer Cisco Systems ----- Original Message ----- From: "Luca Ciasca" To: Sent: Thursday, February 13, 2003 4:37 AM Subject: flapping of trunk ports (trunk non-trunk) [7:62951] > Hi all, > > Is there anyone who have suggestion for this problem: > > in my catalyst 6500 I have a lot of message like this, even 60 for day: > > Switch_1> (enable) 04/21/1998,03:15:40:DTP-5:Port 1/1 has become non-trunk > > Switch_1> (enable) 04/21/1998,03:15:41:DTP-5:Port 1/1 has become trunk > > I specify that: > > 1) both of the ends of this link are in "trunk on" mode (no auto, no > desirable) > 2) The fiber seems OK, indeed I have actived the UDLD in aggressive mode for > this link and the stase is still: "bidirectional" > 3) both of the ends of this link have "dot1q" encapsulation > > I have read that a valid workaroud is to migrate from the "on" mode to > "nonegotiate" mode, but I don't want that this just hide the problem, > without solving it. > > Any suggestion? > > Thanks > > Luca [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=62982&t=62951 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
