Update 12.1 -> 12.2 C3750 Weirdness

Unanswered Question
Oct 20th, 2009
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Hi!


Yesterday i upgraded (tried to) a C3750 Stack of 4 from

C3750 Software (C3750-I5-M), Version 12.1(14)EA1a,


to


c3750-ipservices-mz.122-52.SE



Before it was working fine (stackwise)


after the upgrade


t takes a long time until all switches were ready in sh switch


then i see every few seconds

%STACKMGR-6-STACK_LINK_CHANGE

and

Stack Port Status Neighbors

Switch# Port 1 Port 2 Port 1 Port 2

--------------------------------------------------------

1 Ok Ok 2 4

2 Ok Ok 3 1

3 Ok Ok 4 2

4 Ok Ok 1 3

show down and ok changing on all ports randomly


switch was not reachable, system was not working


i dodnt change the config manually, just let it upgrade.


:-(

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