doc: mention that SNMP is required for Akvorado to work

This commit is contained in:
Vincent Bernat
2022-07-18 09:25:22 +02:00
parent 096972ba45
commit 2e6ede700b
2 changed files with 6 additions and 5 deletions

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@@ -26,12 +26,12 @@ stop akvorado-exporter{1,2,3,4}`).
Take a look at the `docker-compose.yml` file if you want to setup the Take a look at the `docker-compose.yml` file if you want to setup the
GeoIP database. It requires two environment variables to fetch them GeoIP database. It requires two environment variables to fetch them
from from [MaxMind](https://dev.maxmind.com/geoip/geolite2-free-geolocation-data).
[MaxMind](https://dev.maxmind.com/geoip/geolite2-free-geolocation-data).
Be sure to flush the conntrack table after starting. See the Be sure to flush the conntrack table after starting. See the
[troubleshooting section](05-troubleshooting.md#no-packets-received) [troubleshooting section](05-troubleshooting.md#no-packets-received)
for more details. for more details. You also need to configure SNMP on your exporters to
accept requests from Akvorado.
## Big picture ## Big picture

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@@ -69,8 +69,9 @@ Here is a list of generic errors you may find:
- `SNMP cache miss` means the information about an interface is not - `SNMP cache miss` means the information about an interface is not
found in the SNMP cache. This is expected when Akvorado starts but found in the SNMP cache. This is expected when Akvorado starts but
it should not increase. If this is the case, it may be because the it should not increase. If this is the case, it is likely because
index provided in the flow is not available through SNMP. the exporter is not configured to accept SNMP requests or the
community configured for SNMP is incorrect.
- `sampling rate missing` means the sampling rate information is not - `sampling rate missing` means the sampling rate information is not
present. This is also expected when Akvorado starts but it should present. This is also expected when Akvorado starts but it should
not increase. With NetFlow, the sampling rate is sent in an options not increase. With NetFlow, the sampling rate is sent in an options