Nagios Support Forum

I want to check number of mac address in memory of network device(Router).
which plugins will help on this i have used check_snmp_arp.pl but this wrong plugin so please helo on this.

SNMP was the first thing that came to mind. What is wrong about that plugin? Can you post the output you receive?

please tell me how we can have this through SNMP.

In most cases, it is easier to use a plugin, written for the functionality you need, then to set up a check from a scratch.

What is wrong about that plugin? Can you post the output you receive?

HI,

plase find the attached screen shot with below plugin it's working fine but it displayed all IP address of a routers but i need only count of LAN Ip.Please suggest the solution and if any pluging is there with this requirement please specify name also.

This appears to give you the data you want on the bottom line. What component is missing?

Do you need to set warning and/or critical thresholds? To do so the plugin will have to be slightly modified or you'll have to write a wrapper. Either way this appears to give the data you asked for, you'll just have to manipulate it to suit your needs.

Now all are working fine but in frontend it is giving me error like that which is posted as an attachment.

There are around 3500 routers/switches are monitoring thorugh nagios via snmp. But now we have added one more service ARP which intension is to count not LAN ip address in ARP table of each routers. For this i used check_snmp_arp.pl plugin which is working properly in backend.

Can you please find that service in the Core Config Manager and click the diskette icon to the far right? That will show us the configuration information, please post it here (sanitize anything you need to).