That sounds like it would be very useful in developing a centrally managed
system (similar to what many of the 'enterprise' AP systems do).
David Lang
On Wed, 20 Mar 2013, Ben West wrote:
Date: Wed, 20 Mar 2013 16:28:08 -0500
From: Ben West <[email protected]>
To: OpenWrt User List <[email protected]>
Cc: David Lang <[email protected]>
Subject: Re: [OpenWrt-Users] SNMP Agent for openwrt
I realize this runs a bit parallel to the SNMP-based implementation being
discussed here, but you might be interested to know that Henning Rogge, one
of the primary developers behind OLSR.org, has a draft/proposal RFC for
sharing hardware level radio metrics with a layer-3 router:
https://tools.ietf.org/html/draft-rogge-stateless-rfc5444-dlep-00
"Stateless RFC5444-based Dynamic Link Exchange Protocol (DLEP)", Henning
Rogge, 4-Nov-12, <draft-rogge-stateless-rfc5444-dlep-00.txt>
This document provides material for the discussion in the MANET WG
about the Dynamic Link Exchange Protocol (DLEP). This document
reflects the authors' thoughts about how a stateless DLEP protocol
compliant with RFC5444 could look like.
...
Dynamic Link Exchange Protocol (DLEP, as defined in [dlep02
<https://tools.ietf.org/html/draft-rogge-stateless-rfc5444-dlep-00#ref-dlep02>])
is a
proposal for a cross-layer protocol between a layer-2 entity like a
radio and a layer-3 router to transport layer-2 metric, statistic and
status data from the radio to the router. In addition, it allows the
router to control and configure aspects of the radio, such as radio
status, channel or link speed.
On Wed, Mar 20, 2013 at 2:09 PM, Jack Bates <[email protected]> wrote:
On 19/03/13 02:58 PM, David Lang wrote:
# of clients connected to the SSID (associations)
information on each connection
signal strength
MAC
Radio airtime info
how much time was spend recieving (unable to transmit)
how much recieved traffic was corrupted by interference
how much good recieved traffic was there
how much time was spent transmitting
how much idle airtime was there (time that transmissions could have
occured)
going beyond the simple metrics that I want to graph into overall
network management issues
some method (ideal something better than trying to sniff packets and
correlate them in userspace) to try and figure out how much airtime a
given station is eating up (especially something that can do this even
if the station gets trompted on and so the transmitted packet cannot be
fully received)
some method of being able to figure out what other SSIDs are
broadcasting on the frequency that I'm currently tuned to and how much
airtime each SSID is eating up (including ones that don't send beacons)
Thanks David, I am interested in implementing this. If you already know
how to get some of this data manually, can you please send me what you
know? For example, do you have any thoughts on options for accessing the
MAC address and signal strength for each connection (from such as
mini_snmpd)?
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