[c-nsp] Graphing more than 114Mbps with mrtg

[Michael Markstaller]

you don't have to change OID's in targets manually, mrtg supports using
HC-counters since almost ever.. 
using "--snmp-options=:::::2" with cfgmaker makes cfg's using the
ifHCxxOctets even easier, as it falls back to V1-counters when
HC-counters are not available.
this will result in targets like this:
Target[host_1]: 1:COMM at HOST:::::2

but there are many older IOS-versions without (proper) HC-counters,
fortunately summed up here:
http://www.cisco.com/warp/public/477/SNMP/faq-snmpcounter.shtml

Michael

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net 
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Mark Taylor
> Sent: Friday, October 29, 2004 10:25 AM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] Graphing more than 114Mbps with mrtg
> 
> 
> Without meaning to turn the list into an mrtg forum :)
> 
> I don't seem to be able to graph interface transfer rates 
> above 114Mbps with 
> mrtg. I think this is because the cisco counter 
> interfaces.ifTable.ifEntry.ifInOctets.x wraps back to the 
> start within the 5 
> minute collector period at rates above this. Does anybody 
> know how to solve 
> this?
> 
> Temporarily I'm collecting the data more often before the 
> counters wrap. Is 
> there a different OID that I need to use? Or do I need to configure 
> something within the snmp-server on the cisco to use a bigger 
> counter size?
> 
> I have the same issue on Cisco IOS routers/switches and also 
> CatOS switches.
> 
> Any suggestions greatly appreciated,
> Thanks,
> Mark. 
> 
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