lost the configuration "system mtu 9000” after upgrade

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Apr 20th, 2010
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Dear all,

Last week I did an upgrade IOS on a WS-C3750G-24TS-1U. The problem is that after the upgrade the switch has lost the configuration "system mtu 9000”, we created bigs problems with traffic.

I'd like to know if this is a bug (or feature) known at Cisco, in my research I found nothing. For information, I upgraded from ipservices-C3750-mz.122-C3750-25.SEB4 to ipservicesk9-mz.122-53.SE1.bin.

A show-tech switch in question is attached (after the upgrade and the addition of the command system mtu 9000 "and a second reload)

Please can tell me if this problem is know by Cisco?

Thank you in advance,


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