SNMP monitoring of a Dell switch: snmpwalk succeds but check_snmp fails.

[Rahul Nabar]

I was trying to monitor my Dell Power Connect Switch via nagios. I used the
default templates and have this check_command in my switch.cfg:
check_command           check_snmp!-C public -o ifOperStatus.1 -r 1 -m
RFC1213-MIB

Unfortunately the web-interface shows: "SNMP CRITICAL - *down(2)* "

Now I tried a naked SNMP query on this switch:

snmpwalk -v1 -c public switch3 -m ALL.1 > /tmp/switch3.snmp.log

The switch does respond with reams of output! But I am not really sure what
I should be looking for in there. I tried grepping on " ifOperStatus.1" but
that is not to be found.

Any other suggestions how to monitor this recalcitrant Dell switch?

-- 
Rahul
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