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Beginner

Wireless LAN Controller not pingable when plugged into trunk port?

I have a Cisco Wireless LAN Controller WCL2112 model. It's currently plugged into an HP Procurve switch on a trunk port. That HP switch is plugged into my Cisco stack on a trunk port. I can reach the WCL just fine through the LAN. But when I plug the WCL directly into the Cisco stack on a trunk port, I can't reach the WCL at all, unless I connect to it over wireless. The interface shows it's conneccted and up/up. But no communications are sent across the line. I did a wireshark and can see only ARP request from the WCL.

The trunk port on the stack is set to:

                 

interface GigabitEthernet1/0/1

switchport trunk encapsulation dot1q

switchport mode trunk

The WCL has 3 VLAN's on it and the SSID of VLAN 1 is our office wireless. If that matters. .

The Cisco Stack is 4 switches. cisco WS-C3750X-48P

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Advisor

Wireless LAN Controller not pingable when plugged into trunk por

  Most likely differences in the way HP and cisco implement the trunking function, can't help there have no HP gear in our  net.  Maybe the way the HP handles the native vlan??

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Beginner

Wireless LAN Controller not pingable when plugged into trunk por

I'm trying to take the HP out of the mix and plug the WCL directly into the Cisco stack. I want the HP gone.

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Beginner

Wireless LAN Controller not pingable when plugged into trunk por

I found a wireless subforum and cross posted my issue there. https://supportforums.cisco.com/thread/2167957

So, this thread can probably be closed.

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