[smokeping-users] Using Smokeping to monitor large layer 1/2 networks (e.g. large WiFi mesh networks)

Rogelio scubacuda at gmail.com
Fri Dec 25 18:50:48 CET 2009

I'm looking for tools that help me determine the latency across large
wireless mesh networks, and I'm wondering if Smokeping is the answer.
I will have hundreds (and in some cases, possibly 1000+) wireless cell
sites, some of which are linked only with unlicensed backhaul (e.g.
802.11a on 5.8 GHz).  In network terms, this is pretty much one giant
layer 2 network.

I'd like to measure latency across all of these mesh links in the
hopes of finding when a link is "bad" (low RSSI [receive signal],
which lowers the data rate, means congestion, or a possibility a
combination between the two). Because of the way that this network is
setup (few ethernet egress points), having slave nodes out in the
field is not that easy.

Can Smokeping tell me the "hop" between each link (i.e. layer 1/2
link)?  When I see the demos, I see either (a) hops between layer
three networks (e.g. SmokeTrace), or (b) Smokeping results between
master / slave nodes.

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