Question

A technician pushed a configuration change to a distribution switch that accidentally disabled all its management IP interfaces, and the device is now unreachable over SSH from the network. The switch is still powered and passing user traffic. What is the MOST appropriate way for the technician to regain administrative access to correct the mistake?

Accepted Answer

Connect a laptop directly to the switch's console port using a rollover/serial cable

Answer

Establish an RDP session to the switch from a jump box on the management VLAN

Answer

Initiate a new SSH session using the switch's link-local IPv6 address

Answer

Reboot the switch to reload the last saved configuration and restore management access