Monitoring traffic on switch port viaNagios/Nagiosgrapher

[Rachel Steffen]

Hi,

>> How can you distinguish between the different ports?

With the switch -r you have to give the exact port Name (just use a
mibbrowser).
E.g with the switch:
define command{
 command_name           check_snmp_netint_load
 command_line           $USER1$/check_snmp_netint.pl -H $HOSTADDRESS$ -C
public -n $ARG1$ -f -r -Y -M -k -d 70 -w $ARG2$ -c $ARG3$
}

define service{
        host_name               Swith 1
        service_description     Port 1 
        use                     check_net
        check_command           check_snmp_netint_load!"RMON Port 01 on
unit 1"!750000000,750000000!900000000,900000000
}

You have to configure the exact Port name.

E.g without the switch:

define command{
 command_name           check_snmp_netint_load_2
 command_line           $USER1$/check_snmp_netint.pl -H $HOSTADDRESS$ -C
public -n $ARG1$ -f -Y -M -k -d 70 -w $ARG2$ -c $ARG3$
}

define service{
        host_name               Swith 1
        service_description     Port 1 
        use                     check_net
        check_command           check_snmp_netint_load!"RMON
Port"!750000000,750000000!900000000,900000000
}

Now you will get all results from ports who contain "REMON Port" in the
Portname.

>> What kind of switch(es) do you monitor (manufacturer/model)?

3Com Switch, Watchguard Firewall, HP Server, Dell Server etc...
You can monitor everything that collect ethernet traffic with SNMP

Regards
Steffen

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