Cisco Aironet 2600 Access Point and conection problem

[Piotr Kowalczyk]

Hi,

I have problem with Cisco Aironet 2600 Access Point and just wander if somebody could point me how to troubleshoot issue like that. Basically two weeks ago some users sometimes started to have problems with connectivity to servers (couple of) located in the same network with firewall and access point (SMB, RDP, ICMP). However they are getting access to internet through ASA firewall. User have to disconnect and connect over cable to get it working.

Cable connection works ok all the time. Any idea what it could be? No firewall or router between AP and the network.

Thank you.

[Scott Fella]

Well, that is a tough issue, because it seems like a client side issue because you mentioned that other resources externally work.  If your clients are on the same subnet as the resources, then it's layer 2 and nothing has to hit the FW for connectivity.  If the clients are on a different subnet as the resource, then the FW can be the issue as traffic needs to be routed from the FW.  Make sure that the client drives are up to date with the latest from the laptop manufactures recommended firmware.

Thanks,

Scott

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[Piotr Kowalczyk]

Scott,

Thank you for you reply. Unfortuntely for sure this is not client issue as we have atound 30 different latops, with different WiFi adapters and drivers. I know this is tough issue and recently just wander if Access Point is not faulty.

[craig.beck]

Is the AP running Proxy-ARP?

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[Piotr Kowalczyk]

Craig.beck,

Thank you for your reply.

I haven't enabed it unless it is enabled by default. Could you tell me what should I do with this and what is it?