Hi tik gurus! How're you guys?!
A customer of mine got a very strange problem in a particular installation that is formed by three independent separated point to point NV2 links (build with WDS) bounded together by other twos routerboards that do the layer 2 bonding (round robin bonding) of the three physical ethernet interfaces that connect to the APs at every point. After this, the logical interface "bonding1" is also inserted in the list of the ports of the bridge at every point. I mean all the equipments of this "diagram" work at layer 2 and 1, there's no ip routing.
The global real layer 4 throughput is very satisfactory, we can reach without any problem 500mbps TCP.
The problem is that ONLY when there's no heavy activity on the link latency and jitter are a little bit high (not very high, pings from the to directly connected test PC are like 20 or 30 ms changing its values very frequently). When we've build the ptp we've tested that latency was the same on all of them and we choose very separated frequency for every ptp and we install every couple of antenna in a reasonable distance from the other couple.
But when the customer do some heavy traffic load on the network, like migrate virtual machine generating ~100mbps, latency and jitter simply go VERY WELL (3 o 4 ms).
In this video you can see the demonstration of this absurd problem. Anyone have got a clear explanation of this behaviour?!