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Re: [RARE-users] FREERTR/rare switches - SNMP


Chronological Thread 
  • From: Frederic LOUI <>
  • To: "Bhat, Preeti P." <>
  • Cc: mc36 <>, Alexander Gall <>, ,
  • Subject: Re: [RARE-users] FREERTR/rare switches - SNMP
  • Date: Sat, 11 Feb 2023 11:17:48 +0100

Hi Preeti !

If SNMP as it is supported on Wedge is not complete enough for you and you
still plan to use LibreNMS,
there is an effort to enable Prometheus as datasource to LibreNMS.

As you might also already know, Prometheus is used a lot in environment such
as K8s for cluster/pod reachability monitoring


It is not surprising to see network monitoring tools that were used to use
SNMP to consider alternative datasource.
https://docs.librenms.org/Extensions/metrics/Prometheus/#sample-prometheus-scrape-config-for-scraping-the-push-gateway

These datasource can be Prometheus, Telemetry but also Netflow/IPFIX the
common point is that they can be saved in RRD database or InfluxDB.

In turns, one can use Grafana or other fancy visualisation tools.
If you have RRD you can use legacy tools such as MRTG/CRICKETR/RANCID ...

All the best
Frederic

> Le 10 févr. 2023 à 23:49, mc36 <> a écrit :
>
> hi all!
>
> so the thing is that, back in the antic time, far before we even had the
> first real configurable exporting framework (sensors and checks)
> i had a bad decision when i had to outsource this exporting activity...
> back in that time, my idea was to re-use the preexisting internal
> tlc interpreter to solve the issue... you still can find traces of this in
> https://github.com/rare-freertr/freeRtr/tree/master/misc/snmp
> it still believed to be usable and it satisfies all the requirements to be
> auto-discovered in an nms system....
> on the other hand, since we got the performance-measurements for sr-te
> flexalgo128.255 properly which shortly evolved the two named framework...
> now i have an idea if someone is willing to deal with the integration from
> the nms side, im open to renew this very ancient part of freerouter
> together to use the sensors framework somehow.... by that, in theory, you
> you'll have all the shows in snmp even in some-seconds polling interval...
> if you haven't seen that already, both carmen and frederic are doing so, as
> far as i know...
> bhat? deal? :)
> br,
> cs
>
> On 2/10/23 13:49, Alexander Gall wrote:
>> On Fri, 10 Feb 2023 13:43:06 +0100, Alexander Gall <> said:
>>> Hi Preeti
>>> On Fri, 10 Feb 2023 11:38:42 +0000, "Bhat, Preeti P."
>>> <> said:
>>>> I want to include FREERTR/rare switches in Librenms to monitor its
>>>> performance. This requires the SNMP to be enabled and also it needs to
>>>> be queried from the NMS node.
>>>> Could you please let me know if there is any option/plugins to include
>>>> these FREERTR/rare switches in the Librenms? If not, when can we expect
>>>> this feature at the earliest?
>>> If this is about Tofino-based systems using the Nix-based RARE
>>> packages, SNMP is already enabled for monitoring of interfaces
>>> (ifTable/ifXTable MIBs). By default, access is only enabled on
>>> 127.0.0.1/::1 with community "public". To make it accessible to your
>>> monitoring systems, simply add a community and ACL in
>>> /etc/snmp/snmpd.conf.
>> Forgot to mention that you need to execute "systemctl reload snmpd"
>> afterwards :)




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