plugin for collisions on host

[Marc Powell]

On Jul 23, 2009, at 4:05 AM, Tom Brown wrote:

> any way we can monitor for collisions and errors on host interfaces
> rather than doing this on the switch?

Errors, I would say yes; collisions, maybe.

ifInErrors and ifOutErrors is pretty standard SNMP. If you install an  
snmp daemon on the hosts, you should be able to query those with the  
same plugin you're using for the routers. Here's an example of a few  
snmp walks --

$ snmpwalk -v2c -c <community> prodlnx01 ifdescr
IF-MIB::ifDescr.1 = STRING: lo
IF-MIB::ifDescr.2 = STRING: eth0
IF-MIB::ifDescr.3 = STRING: eth1

$ snmpwalk -v2c -c <community> prodlnx01 ifinerrors
IF-MIB::ifInErrors.1 = Counter32: 0
IF-MIB::ifInErrors.2 = Counter32: 0
IF-MIB::ifInErrors.3 = Counter32: 0

$ snmpwalk -v2c -c <community> prodlnx01 ifouterrors
IF-MIB::ifOutErrors.1 = Counter32: 0
IF-MIB::ifOutErrors.2 = Counter32: 0
IF-MIB::ifOutErrors.3 = Counter32: 0

As far as collisions, a quick grep of snmpwalk output of the entire  
tree doesn't show anything that looks like collisions being reported.  
It might use a different name so all I can really say on that on is  
TAFO.

--
Marc


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