WS-C2960X-48LPD-L all Ethernet ports went disabled and administratively down. Ports also not responding to any cofig change after reload. Initially changes in port vlan assignment, although reflecting at vlan br, but not functioning; that is why I have decided to reload the switch after saving the current running config. But after reload, all ethernet ports is no longer responsive, shows the error below.
Gi1/0/45 disabled 28 auto auto 10/100/1000BaseTX Gi1/0/46 disabled 28 auto auto 10/100/1000BaseTX Gi1/0/47 disabled 28 auto auto 10/100/1000BaseTX Gi1/0/48 disabled 28 auto auto 10/100/1000BaseTX
>>GigabitEthernet1/0/48 is administratively down, line protocol is down (disabled)
>>Switch Ports Model SW Version SW Image ------ ----- ----- ---------- ---------- * 1 52 WS-C2960X-48LPD-L 15.2(2)E3 C2960X-UNIVERSALK9-M
>>System image file is "flash:c2960x-universalk9-mz.152-2.E3.bin"
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