Weird Problem!!

Unanswered Question
Oct 30th, 2007

Hi, I really dont know if this issue is applicable here but I am desperate for help now. We have a wireless project providing internet access in a very remote location. There are wireless mesh accesspoints connected back to back by wireless Point2MultiPoint Links (P2MP). I have 2 BSU (Base Station Units) each connected to 3 CPEs. The 2 BSU's are connected to zero configuratoin 2950 switch.Below is a brief on the technical scenario:-

1. Wired backhaul subnet



2. DHCP Relay


The problem is that when I connect both the BSU to the switch they perform well. But after 10-15 minutes the other BSU ( starts giving huge delays and finally times out. Disconnecting the stable BSU ( from the switch brings the other one up. The switch already has STP enabled.

Is there a loop in the network? Any problem with the BSUs? Are the Mesh Access Points broadcasting? How do I troubleshoot this? Your valuable comments, suggestions will definitely get me somehwere.

Attachments: network scenario, ping snapshots of the BSUs.



I have this problem too.
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ivillegas Mon, 11/05/2007 - 11:16

If number of clients connecting is too high it will definitely slow down the network. In that case solution would be segment them to two different vlans. You will need layer 3 device if you segment the WLAN.


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