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floriann's avatar
floriann
Aspirant
Apr 27, 2014
Solved

Trek PR2000 DHCP-problems, keeps dropping connections, maybe workaround

Hi!

Some days ago I bought the new Netgear Trek PR2000 mobile wireless router. Purpose was to have an AP for all my devices while traveling and being able to connect them to a hotspot or hotel wifi.

Configuration was fine and I was able to connect to my home network in wireless client mode. My home router is a TP-Link TL-WR1043ND running OpenWrt 12.09 Attitude Adjustment, wifi with WPA2-AES, serving DHCP.

The Trek was able to connect and the whole system was running. Unfortunately I realized, that the Trek kept dropping connections every 3-5mins with the annoying Netgear genie popping up and trying to reestablish a connection. Sometimes it worked, later on the Trek failed to connect at all.

Since I read that OpenWrt Attitude Adjustment might be having problems with certain wifi connections, I upgraded my WR1043ND to Barrier Breaker. The connection drops continued, especially under OSX nearly every minute. The WR1043ND showed various DHCP- and wifi-failed-to-acknowledge-errors in its log.

After trying all possible setting changes in the Trek-config (and shortly before returning the Trek), I found something like a workaround. In the Trek-config I disabled the DHCP-Server for the LAN-zone and assigned static IPs to the connecting clients. Well at least until now this seems to be working fine. No more dropped connections, no more annoying genie popping up and trying to reconnect, the whole system seems to be working.

But at the moment I'm kinda confused about the reason. In my understanding, the Trek connects to a hotspot and gets an IP-address assigned by the hotspot-DHCP. Then the Trek uses NAT to connect the attached clients to the internet. Actually the DHCP-IP-addresses assigned by the Trek to the clients connected to the LAN-zone shouldn't affect the DHCP-settings of the hotspot-network at all. Normally the private IP and DNS-settings are just for the private client LAN, aren't they? If I'm not completely wrong with my assumption, there might be a bug in the DHCP-server of the Trek or the way how dynamic IPs of the client LAN are handled. Starting from the point where I changed to static IPs in the client LAN, there were no more error messages in the log of the WR1043ND.

Strange thing... Maybe someone could correct me if my assumptions are wrong? Btw, I'm using the Trek PR2000 stock firmware (which is something like 1.0.0.9) since there's no other available.

Thanks.
  • hksteve I would like to inform you that the fix is now available in our download page.

    Feel free to update your firmware and provide feedback.

     

    Thanks!

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