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Router/Switch Health

What is the best way to look at a router and/or switch to determine its health other than just reviewing the logs?

5 REPLIES
Hall of Fame Super Gold

Re: Router/Switch Health

Check show proc, show mem, show interfaces.

New Member

Re: Router/Switch Health

I should have added that I have 50 Switches and Routers to monitor. With that in mind what would be the best way?

Re: Router/Switch Health

You can use SNMP based products such as Nagios (open source) or Solarwinds NPM (commercial) for monitoring and long term trending of your network devices.

http://www.nagios.org/

http://www.solarwinds.com/products/orion/

Hope that helps

New Member

Re: Router/Switch Health

Using show proc, show mem, show interface what would be the threshold between having a problem and not having one?

Re: Router/Switch Health

You need to baseline your setup.

For some of my boxes 80% CPU load is pretty normal as they are doing heavy duty tasks.

However if I see it spiking to 85-90% I would know some recent changes have upset the box.

HTH

Sam

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