[mrtg] Help graphing MAC address count from Cisco switch
Alex van den Bogaerdt
alex at vandenbogaerdt.nl
Sat Mar 19 03:20:49 CET 2016
> I'm trying to create a graph showing the # of devices connected to a
> particular network. The simplest way I can think of to do so is to
> grab the # of MAC addresses in the CAM table for that particular VLAN
> from the L3 switch which is the default gateway for the network.
> I found this command online, and it returns an integer which
> represents the # of MAC addresses the switch knows about for the
> particular VLAN in question (VLAN 40 as shown below):
> snmpwalk -v 2c -c public at 30 10.0.1.2 .22.214.171.124.126.96.36.199.3.1.1 |wc -l
I found this while reading the documentation:
Counted SNMP Walk
You probably want to use that instead of the external monitoring script.
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