Cannot find the ifHCInOctets in snmp_exporter

[Jack Chew]

Hi team,

I recently checked the data collected by prometheus and found that ifHCInOctets is missing,but snmp config and snmp yml can find the ifHCInOctets OID.My SNMP_EXPORTER version is 0.018.1.

Thanks 

Jack

[Brian Candler]

SNMPv1 devices don't support ifHCInOctets, only ifInOctets.

So if you are talking to an SNMPv1 device - or you are making an SNMPv1 query to an SNMPv2c/v3 capable device - then you won't get ifHCInOctets.

You can check with tcpdump -nnv -s0 udp port 161

[Ben Kochie]

I don't think this is a v1 vs v2 protocol issue. I've seen devices with SNMPv2 not support HC counters. Example, some old netgear web-managed switches I have. :-)

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[Jack Chew]

Thank Ben, I will try another device

在 2020年2月12日星期三 UTC+8下午8:54:26，Ben Kochie写道：

I don't think this is a v1 vs v2 protocol issue. I've seen devices with SNMPv2 not support HC counters. Example, some old netgear web-managed switches I have. :-)

On Wed, Feb 12, 2020 at 1:25 PM Brian Candler <b.ca...@pobox.com> wrote:

SNMPv1 devices don't support ifHCInOctets, only ifInOctets.

So if you are talking to an SNMPv1 device - or you are making an SNMPv1 query to an SNMPv2c/v3 capable device - then you won't get ifHCInOctets.

You can check with tcpdump -nnv -s0 udp port 161

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