Thank you!!! You helped me fix the same issue you were having.
The funny thing is that I have a different switch (same model) that has the default GW (X.X.X.55) and the ip route vrf Mgmt-vrf 0.0.0.0 0.0.0.0 x.x.x.55 (same ip as the default GW) and it...
I too had that same issue, when I was trying to config an interface to use port-security.
Problem:
#switchport port-security
Command rejected: GigabitEthernet1/0/8 is a dynamic port.
Solution:
#switchport mode access
and then you can add the port-sec...
I had the same problem (no such device OR error opening usbflash0:/... OR Error: mount path could not be determined ).
-Format the drive to FAT16 and try again
-If that doesn't work try multiple usb thumb drives (formatted FAT16) -- It took me 4 trie...