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Setting plink_action for 802.11s neighbours #421
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I've tried this with two N2M Loco to no avail. What I've tried:
They're happily showing off their Node A
Node B
|
In what why are they not "acting" accordingly? What would you expect? |
I'd expect them to stop meshing, not providing L2 connectivity any more. |
Well, the plink action is BLOCKED (or OPN_SNT) and not ACTIVE so they're not meshing. |
Indeed, I was confused by the status page maybe. |
Hey I have implemented a mesh backhaul on 5 Dlink routers with 802.11s mesh protocol and everything work out perfect however the throughput measurements performed with iperf tool indicates much lower throuhput (maximum around 18 Mbps) between routers on mesh setup in comparison with that of normal access point client scenario (non mesh setup around 90 Mbps) . can ayone explain this difference? in the mesh setup when the "iw dev mesh-interface station" is executed the expected throughput is around 26 Mbps but in iperf its around 18Mbps. can anyone also clarify why this is the case and which throuput is the real throughput ? Any guide and explanation would be greatly appreciated |
@RaminnimaR In case you have "mesh plink: BLOCKED", you shoud expect a throughput of 0, since packets are blocked hopefully. |
Thanks for your response Actually the mesh plink is shown as established (ESTAB), I just cant get better throughput than 18 Mbps. As I am writing a report in which the throughput results shall be included now I wanna know if should document the results of the expected throughput in the "iw" command or the throughput results of the iperf tool . As you may know they are never the same and I dont understand why. |
i am not sure what the iw response for blocked plinks is, but if you can cat any iperf "above 0" it is definitly a bug and the "block" does not work. BTW: Please make sure that the packets for your iperf testing really go via this link of the mesh and not "via different hops", since this is NOT about blocking nodes from the batman mesh. |
To use the blocking feature in the latest stable release the package |
As far as I understand the reason you want to support it is to block sub-optimal links, don't you? Has anyone tested whether it makes a difference? I don't expect a big improvement. We don't use HWMP which might make bad routing decisions. E.g. Batman decides on which link to use and if a specific link is sub-optimal the only traffic it sees are OGMs, doesn't it? And in case the optimal link's node goes offline, we don't want the mesh to break (that's why we use mesh after all). |
When using 802.11s it is possible to block specific neighbours using
iw
.Gluon may maintain a blacklist of neighbour MACs (maybe in uci wireless) for easy access to this feature.
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