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,
René