actually i have a problem with GLC-T on my Nexus and Catalyst switches
here is my scenario:
my n2k-2348-upq connect to my servers via GLC-T with cat6 copper cable, once i put the port in admin shutdown state, the server port did not disconnect and still show connected, and port was up but only can ping its ip address not server or other ips in network. the port remain connected until in physically disconnect the cable from nexus switch and GLC-T
it seems that the SFP module still send signals on admin shutdown state (as i know if the port is in Admin shutdown state, all the behaviors must be shutdown)
i also check the GLC-T this with my laptop on cisco 2960x switch, but still the same. network interface of laptop was in Connected state even the switch port in shutdown state
i have to note that , i check with this two SFPs, GLC-T and GLC-TE
here is the export of command #show interface transceiver properties of second side when gig 1/0/51 on side one in admin shutdown state
Name : Gi1/0/35 Administrative Speed: auto Administrative Duplex: auto Administrative Auto-MDIX: on Administrative Power Inline: N/A Operational Speed: 1000 Operational Duplex: full Operational Auto-MDIX: on Media Type: 10/100/1000BaseTX
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