[mrtg] Re: Add incoming and outgoing bits.

Alex van den Bogaerdt alex at slot.hollandcasino.nl
Sat Jan 20 00:44:58 MET 2001

Craig J Suchland wrote:

> Now, what I'd REALLY like to do is have, for example, one line equal "out" and
> the second equal "in+out" - but I haven't been able to figure out if it's
> possible, and if so, what the proper syntax would be.

If you can find an interface that does not carry any data but that is
visible in the snmp tree, you can use that:

Target[x]: ifInOctets.2&ifOutOctets.1:public at device \
         + ifOutOctets.1&ifInOctets.1:public at device

where interface 1 does carry data and interface 2 does not carry data.

Try the loopback interface for instance:

[alex at home ~/try]$ snmpget cisco public
interfaces.ifTable.ifEntry.ifInOctets.5 = 0
interfaces.ifTable.ifEntry.ifOutOctets.5 = 0
interfaces.ifTable.ifEntry.ifDescr.5 = "Loopback0"

You can SNMPwalk the interface table (snmpwalk x y .
to find such an interface.

 / alex at slot.hollandcasino.nl                  alex at ergens.op.het.net \
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