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P2P communication

Hi,

I've been experiencing strange issue with client to client communication.

I'm preparing new WLAN proof of concept for car repair shop. They use:

- tester: diagnostic unit connected in car

- muxer: hardened tablet PC based on Microsoft Windows XP

Both devices connect to same WLAN, have assigned IP addresses from same IP subnet.

I've installed WLC2504 (sw 7.5) with 4 LAP1041 and disabled radios on all APs they're currently using.

I used same WLAN settings as they've been using so far: same SSID, WPA, encryption, PSK.

P2P blocking action: disable.

I've successfully connected with all devices - 8 different types. I've successfully connected both tester and muxer. Both devices received IP address assigned from DHCP server. I can ping tester from muxer. But I can't pair both devices together anymore.

I've connected laptop to same WLAN and ran nmap - I can't find any connectivity problem: nmap shows open tcp and udp ports on both devices. I can establish connection from laptop to SMB share on muxer for example.

But anyway: what could possible be wrong? It seems there's discovery problem. I don't know how both devices communicate exactly and I'm waiting for this information from manufacturer.

How could I troubleshoot this issue?

They've been using APs for home use so far (Asus) - and they haven't experienced this kind of issue. If I disable WLAN on Cisco and re-enable it on Asus APs, everything works perfectly again without any additional intervention.

  • Getting Started with Wireless
1 ACCEPTED SOLUTION

Accepted Solutions

Re: P2P communication

Make sure you have broadcast forwarding enabled.

Steve

Sent from Cisco Technical Support iPhone App

HTH, Steve ------------------------------------------------------------------------------------------------ Please remember to rate useful posts, and mark questions as answered
2 REPLIES

Re: P2P communication

Make sure you have broadcast forwarding enabled.

Steve

Sent from Cisco Technical Support iPhone App

HTH, Steve ------------------------------------------------------------------------------------------------ Please remember to rate useful posts, and mark questions as answered

Re: P2P communication

Thank you - this was it.

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