[mrtg] Re: Graph suddenly drops to zero for Gigabit Ethernet Interfaces if it exceeds 110Mbps

[Pavel Ruzicka]

Hi,

> Hi all,
>  I am using MRTG-2.12.2 version.
>
> I am monitoring traffic for Gigabit Ethernet interfaces  in 7206 Cisco
> router .In the graph if the traffic is  more than 110Mbps. It suddenly

You must enable 64bit OID support. (ifHCInOctets, ifHCOutOctets), because
32bit gauge overflows about 114Mbps in a 5 minute interval.

This can be done with --snmp-options=:::::2 if you use cfgmaker for config
generating. This enables SNMPv2 support and 64bit gauges.

Look at MRTG documentation chapter SNMPv2c:
http://people.ee.ethz.ch/~oetiker/webtools/mrtg/doc/mrtg-reference.en.html

Best regards,

Pavel Ruzicka

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