Hello,
Here is the set up. I am using a Proxim point-to-point link to connect a RAP to the network. The Proxim base unit is connected directly to the Cisco switch. The Cisco 1522 is connected to the LAN port of the Proxim remote unit's POE injector. I couldn't get the ethernet port up on the 1522 until I fixed the Proxim's ethernet port to 100/full.
The Proxim link is stable but I am getting interuptions in the connection of the 1522 to the network. After further investigation, I see the Gigabit ethernet port of the 1522 is operating at 100/half. (Makes sense because it's port is set to auto while the Proxim is fixed on 100/full). However if I set the Proxim port to auto the ethernet port goes down completely.
Here are the messages I am getting from the 1522:
Dec 28 15:09:05.215: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on GigabitEthernet0 (not full duplex), with sw1 FastEthernet2/0/5 (full duplex).
This shows a mismatch between the 1522 and the switch.
My guess is that the 1522 and the Proxim unit cannot auto-negotiate speed/duplex.
Should I disable CDP on the 1522?
Thanks for your help.
