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Forum Discussion

JoeReid's avatar
JoeReid
Icon for Nimbostratus rankNimbostratus
Sep 20, 2019

Does a firmware upgrade reset the MTU/MSS settings on vlans?

Will a firmware upgrade to 12.1.2 have possibly reset the MTU/MSS settings on configured vlans? Customer is adamant that these were not at the default setting.
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JoeReid's avatar
JoeReid
Icon for Nimbostratus rankNimbostratus
Sep 25, 2019

To be honest, I don't know. (currently running 12.1.2 on a 3600 chassis) I don't believe that the MTU/MSS settings would change on a firmware update, but the customer is absolutely adamant that this is the case, even though they can provide no documentation to support this view.