[collectd] ASA VPN tunnel monitoring

Sjoerd de Vries SdeVries at globecomm-europe.com
Wed Feb 26 18:24:26 CET 2014

Hi Bill

The entity mib doesn't offer any specific information, only general capabilites. 

I did found a text based OID containing the IP in another table. (the phase one table). But that one is also on a dynamic index, it is however referenced by (that is .2 of the table of interest)

[sdevries at graph1 ~]$ snmpwalk -v 1 -c public
SNMPv2-SMI::enterprises. = INTEGER: 5328896
SNMPv2-SMI::enterprises. = INTEGER: 6373376
[sdevries at graph1 ~]$ snmpwalk -v 1 -c public
SNMPv2-SMI::enterprises. = STRING: "<IP address of interest>"
SNMPv2-SMI::enterprises. = STRING: "<IP address of interest>"
So I tried to use in collectd as the Instance, but I guess the instance has to come from the same table as this is not working.

Kind Regards,

From: Bill Schwanitz <bilsch at gmail.com>
Sent: Wednesday, February 26, 2014 2:34 PM
To: Sjoerd de Vries
Cc: collectd at verplant.org
Subject: Re: [collectd] ASA VPN tunnel monitoring

On Feb 26, 2014, at 6:44 AM, Sjoerd de Vries <SdeVries at globecomm-europe.com> wrote:

> The data is in a table ( but the index is a new int for every tunnel. In other words a tunnel goes down, comes back up and has a new index.
> In collectd I put the Index on the remote address ( however this is an IP in hex format. Pushing the data to graphite then results in some strange label values (direct HEX to ASCII).


Is there a lookup table which has the connection name instead of the ip address?

Just a guess, but look at https://supportforums.cisco.com/docs/DOC-1295#ENTITYMIB - the entity mib. I would imagine the vpn tunnels would show up in the entLogicalTable - hopefully there is a translation to a string/name in there or something


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