[mrtg] MRTG and Gigabit and 10GB
lyle at lcrcomputer.net
Thu Nov 8 21:05:19 CET 2007
You are correct but wrong. The OP asked the wrong question, but you gave
him the right answer concerning the speed<GRIN>.
He meant to ask if 1Gb is reported as 125MB/sec.
Switch ports and NIC's are advertised as bits/sec, not Bytes/sec. In
abreviations, b means bits and B means Bytes. And if you do the math indeed:
1Gb/sec equals 125MB/sec
Daniel J McDonald wrote:
> On Thu, 2007-11-08 at 09:39 +0000, John Cushnie wrote:
>> I have a similar configuration with 1GB and 10GB port cards on a Unix
>> Do I just need to add 64 bit counters to get the correct metrics?
>> Also where do the Max speeds reported for the interface come from?
> from ifSpeed, which has a maximum of about 4Gb/s. For higher-speed
> interfaces, the value is supposed to be in ifHighSpeed
>> 1GB is reporting 125.0 MB/sec
>> 10GB is reporting 536.9MB/sec
> I can imagine it is reporting that. I guess I had best go write a patch
> for that....
> But I don't have any 10G interfaces yet - they are on order, but I'm not
> expecting to be able to install them before the middle of January. If I
> write a patch, can I ask you to test it?
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