We are trying to upgrade the IOS on the switch 6507 , which has supervisor engine SUP720. We have connected the switch to another switch 3750 but the link status shows amber..Any idea what would have gone wrong?
On STAT mode on c3750 if the port LED stay amber, that means that Spanning Tree is blocking your port and no traffic is flowing through there. How did you configure this connection between 6507 and 3750?
Cheers,
Calin
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