Saturday, November 30, 2019

Can't access admin interface on Cisco SG300-28 (remotely located).

I have a Cisco SG300-28 that's colocated a few hundred miles away. It seems to be working fine as a switch, but for the first time in years I need to login to it to make some changes, and I can't seem to access the admin interface.

I'm pretty sure I know the right IP address for the device, but going to that ip address via http or https using the normal ports gives me nothing. I've scanned the first few thousand ports, and it looks like nothing is open.

Is it possible the admin part just crashed? Should I have the switch remote power cycled and then see if I can get in?

If that doesn't work, what are my options? Can the isp where it's colocated get in via a serial console, and figure out the ip address and port?



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