Re: "Show Inventory Raw" doesn't display serial numbers for GBIC
That command will come in handy, but it won't retrieve information from any of the (16) interfaces on that module.
ITN7_6509#show idprom module 2 IDPROM for module #2 (FRU is 'SFM-capable 16 port 1000mb GBIC') OEM String = 'Cisco Systems' Product Number = 'WS-X6516A-GBIC' Serial Number = 'STT1242029N' Manufacturing Assembly Number = '73-9052-06' Manufacturing Assembly Revision = 'A0' Hardware Revision = 4.6 Current supplied (+) or consumed (-) = -3.62A
ITN7_6509#show idprom interface gigabitEthernet 2/1 Unable to retrieve idprom information ITN7_6509#
Do you think this is a physical layer issue?
It' really strange as show inventory raw command, which retrieves information about all of the Cisco products installed in the networking device, even if the entities do not have a product ID (PID) value.
Chek out the below link for determining the serial numbers of component for switches,Hope to help
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