Friday, July 17, 2020

2910al Setup - Interesting issue

Okay, we have a 2910al on our LAN (it is in an MDF that is going to be ready to route to other IDFs). We have plugged a computer into one of the ports after setting it up and it gets Internet, DHCP, etc. From any of our other LANs we cannot SSH into it UNLESS a laptop (or any other device) is plugged into any of the other ports.

So, uplink port is plugged in THEN:

Nothing else plugged in, can't ssh into it

ANYTHING else plugged into any other port, can ssh into it from any of our LANs

What would cause this? I've never had this issue with any of our other switches. We've always been able to SSH or telnet in and make changes and continue setup with only the uplink plugged in and no other devices.



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