snmp load

[TSaliba]

hi
does any one know how can i get the load caused by nnm (snmp load) on routers or any devices.

[Steven E. Protter]

You can check your network load with the script I'm attaching. You are going to have to check with the router/switch manufacturer to check load on those devices.

SEP

[Michael Steele_2]

A) SNMP is a UDP protocol. It uses ports 161 and 8161 and others. You can monitor these ports and any others in use by SNMP with 'lsof'.

lsof -i UDP:161

B) Also check for dropped UDP packets and collisions:

netstat -p udp | grep -i -e drop -e collison

C) Many times network problems, like dropped packets, can be traced back to incorrect speeds and duplexes on NIC's between routers, servers, switches, etc. 'Auto-sense' is also a real complaint among many here in the forum because the variance in speeds and duplexes as well as the switching to other speeds and duplexes are a source of dropped packets and collisions. One solution is to hard configure all NIC's to the same speed and duplex, like 100 HD or 100 FD.