Hi all, We have a 6 node mesh setup, with one node acting as a mesh portal. All the nodes are in direct range of each other, so every node has 5 peer links. The node that acts as a mesh portal has another laptop connected to it via an Ethernet cable which runs an iperf TCP server. Every mesh node runs an iperf TCP client where the transmit data rate is limited to about 500Kbps.
When we run the iperf client on all the mesh nodes while using compat-wireless from 18th Jan, 2011, things seem to work fine. There is rarely a connection loss. However, the peak data rate at the laptop which is connected to the mesh portal (via Ethernet) goes much higher than the expected 3Mbps (6*500Kbps). When we use compat-wireless from 28th March, 2011, and repeat the above experiment again, the results we get are quite disappointing. The TCP connections from all 6 nodes constantly break. Also, if only one mesh node is communicating with the laptop connected to the mesh portal, the connection does not break. If using the same compat-wireless, we force the max plinks to 1 (one) at each node, the TCP connections do not break. Everything works fine. If we use compat-wireless from 31st march, 2011, the mesh nodes are not even able to establish plinks with each other. "iw dev mesh station dump" returns nothing. Switching to compat-wireless from 14th April, 2011 results in plinks alternating between LISTEN and OPN_SNT states. The displayed beacon signal strength (in station dump) is very low (close to -80dbm). Infrastructure mode works fine. Can anyone please elaborate on what could be happening here? Thanks, -Qasim
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