What Switch Metric Are You Monitoring

[Claudio Kuenzler]

The same checks as the others mentioned:
CPU utilization, environment (Power Supplies, FAN), child-parent
relationship and uptime.

Additionally to that, depending on the switch, I also check the Cisco Stack
status, the memory usage and either a single port or several port ranges for
their operational status.

On Fri, Aug 13, 2010 at 1:25 PM, Jim Avery <jim at jimavery.me.uk> wrote:

> On 13 August 2010 10:20, Robert Jackson <rab at walkermartyn.co.uk> wrote:
> > I’m currently on Nagios Core 3.2.1 and I’m just starting to setup
> monitoring
> > of our network switches. Can someone share what switch metrics they are
> > recording (and find most useful). Just now, I’m only registering PING and
> > Uptime (through SMNP). Also how are you handling parent/child
> relationships
> > for the switches/ports etc? Basically if a switch is down, then I would
> only
> > want to receive and alert regarding this and not anything else related to
> > the port or device connected to the port.
>
> I configure the switch to send traps to the Nagios server (received
> using snmptrapd and processed using snmptt), and configure the switch
> so that traps are sent if switch-switch links go up/down but not
> ordinary switch ports with servers and PCs on.
>
> Other than that, I monitor link bandwidth where it really interests
> me, for example on the ports serving our most busy systems and one or
> two which link main data centres together.
>
> The usual rule with Nagios parent relationships is that the parent is
> the device closer to the Nagios server than the child.  Don't forget
> you can have more than one parent if that's how your network is.
>
> hth,
>
> Jim
>
>
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