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Today's Topics:
1. Re: Trying to fetch arp entries from ArubaOSCX, again
(Jethro Binks)
--- Begin Message ---
Mmm yes indeed, the "arpnip::nodes" comes from the Configuration documentation
("The action key allows you to restrict credentials to certain actions or even
stages of actions on the remote device, such as ARP table gathering
(arpnip::nodes)", but I've tried with action: arpnip and no action at all and
the effect is the same.
In fact if I introduce a deliberate syntax error into ArubaCX.pm, or
alternatively set a nonsense platform: ArubaCXXX, it makes no difference
either, so it's like this is never properly trying. It does use SNMP to gather
Arpnip::Subnets (correctly).
I have to run an older version (2.076005) because of other issues just now, so
it's entirely possibly I'm hitting an issue already resolved, although I've
been through the notes and a code diff and can't spot anything too relevant.
Aha!
I moved my cli driver section from the bottom of the device_auth credentials to
the top, and it now hits the syntax error I introduced.
So now I have:
[54908] 2025-08-24 15:03:43 debug 130.159.1.52 54908 arpnip()
[54908] 2025-08-24 15:03:47 debug ⬅ (done) Gathered arp caches from 130.159.1.52
[54908] 2025-08-24 15:03:47 debug ⮕ worker Arpnip::Nodes p100
[54908] 2025-08-24 15:03:47 debug ⬅ (info) skip: namespace passed at higher
priority
[54908] 2025-08-24 15:03:47 debug ⮕ worker Arpnip::Subnets p100
Although it didn't actually get any:
[54908] 2025-08-24 15:03:48 debug resolving 0 ARP entries with max 50
outstanding requests
But that allowed me to finally check and fix the script which literally took 2
mins to fix the regexp, and now it all works.
I have added to the discussion:
https://github.com/netdisco/netdisco/discussions/869
And also made some references between the various other Aruba-related issues
that touch on naming problems in various respects.
Jethro.
. . . . . . . . . . . . . . . . . . . . . . . . .
Jethro R Binks, Network Manager,
Information Services Directorate, University Of Strathclyde, Glasgow, UK
The University of Strathclyde is a charitable body, registered in Scotland,
number SC015263.
________________________________
From: Nick Nauwelaerts <nick.nauwelae...@aquafin.be>
Sent: 24 August 2025 1:34 PM
To: Jethro Binks <jethro.bi...@strath.ac.uk>; Oliver Gorwits <oli...@cpan.org>
Cc: Cuttler, Brian R (HEALTH) via netdisco-users
<netdisco-users@lists.sourceforge.net>
Subject: Re: [Netdisco] Trying to fetch arp entries from ArubaOSCX, again
all the examples i see just use arpnip instead of arpnip::nodes
perhaps change your config action to plain "arpnip" & make sure there's an
arpnip function in your ssh module
________________________________
From: Jethro Binks <jethro.bi...@strath.ac.uk>
Sent: Sunday, August 24, 2025 12:39
To: Oliver Gorwits <oli...@cpan.org>
Cc: Cuttler, Brian R (HEALTH) via netdisco-users
<netdisco-users@lists.sourceforge.net>
Subject: Re: [Netdisco] Trying to fetch arp entries from ArubaOSCX, again
Thanks Oliver.
Any thoughts on why I can't get the SSHCollector script to trigger though
("(info) skip: driver or action not applicable"), ND2_LOG_PLUGINS=1 providing
no further clues.
While I potentially have a workaround now using that -p option, that's still
going to need work and is still < SSHCollector ( < SNMP::Info
ipNetToPhysicalTable). It must be something simple but I can't see it.
Jethro.
. . . . . . . . . . . . . . . . . . . . . . . . .
Jethro R Binks, Network Manager,
Information Services Directorate, University Of Strathclyde, Glasgow, UK
The University of Strathclyde is a charitable body, registered in Scotland,
number SC015263.
________________________________
From: Oliver Gorwits <oli...@cpan.org>
Sent: 22 August 2025 10:02 PM
To: Jethro Binks <jethro.bi...@strath.ac.uk>
Cc: Cuttler, Brian R (HEALTH) via netdisco-users
<netdisco-users@lists.sourceforge.net>
Subject: Re: [Netdisco] Trying to fetch arp entries from ArubaOSCX, again
Hi Jethro,
Ah you're right the API wiki page has Perl syntax (not JSON) because the
mojolicious library will convert it. The netdisco-do man page is misleading.
It actually means to refer to the API spec itself which is here:
https://netdisco2-demo.herokuapp.com/swagger-ui/?url=/swagger.json#/Objects/put_api_v1_object_device__ip__arps
I'll see if we can make netdisco-do doc clearer.
By the way, glad to see -p option being used. In the next major version this is
changed to be "-e '@/path/to/file'" or you can pipe it in with "-e '@-'". Just
to make it a bit cleaner across different commands.
regards
oliver.
On Fri, 22 Aug 2025 at 13:32, Jethro Binks
<jethro.bi...@strath.ac.uk<mailto:jethro.bi...@strath.ac.uk>> wrote:
Hey,
I've tried it with and without the action:.
Adding env ND2_LOG_PLUGINS=1 provided no additional output here:
[35351] 2025-08-22 10:42:36 debug ⬅ (done) arpnip is able to run
[35351] 2025-08-22 10:42:36 debug //// EARLY \\\\ phase
[35351] 2025-08-22 10:42:36 debug ⮕ worker Arpnip::Nodes p0 "prepare common
data"
[35351] 2025-08-22 10:42:36 debug //// MAIN \\\\ phase
[35351] 2025-08-22 10:42:36 debug ⮕ worker Arpnip::Nodes p1000000
[35351] 2025-08-22 10:42:36 debug ⬅ (info) skip: arp table data supplied by
other source
[35351] 2025-08-22 10:42:36 debug ⮕ worker Arpnip::Nodes p200
[35351] 2025-08-22 10:42:36 debug ⬅ (info) skip: driver or action not applicable
[35351] 2025-08-22 10:42:36 debug ⮕ worker Arpnip::Nodes p100
[35351] 2025-08-22 10:42:36 debug snmp reader cache warm: [ipaddress]
But I didn't know about that, so I will remember it in future thanks.
Failing progress here, I took a look at doing it out-of-band, and then using:
Submit arpnip results directly to Netdisco by putting the JSON data in a
file and using the "-p" option (see API web docs for data format
example):
~/bin/netdisco-do arpnip -d 192.0.2.1 -p /tmp/arp-table.json
Which also seems a more recent addition I'd not noticed before. But while the
API docs suggest the format for the JSON should be:
[
{ mac => "aa:bb:cc:dd:ee:ff", ip => "A.B.C.D" }
]
I had to write it such:
[
{ mac: "aa:bb:cc:dd:ee:ff", ip: "A.B.C.D" }
]
But it did work! So that's another interim workaround perhaps. Still icky.
J.
. . . . . . . . . . . . . . . . . . . . . . . . .
Jethro R Binks, Network Manager,
Information Services Directorate, University Of Strathclyde, Glasgow, UK
The University of Strathclyde is a charitable body, registered in Scotland,
number SC015263.
________________________________
From: Christian Ramseyer <ramse...@netnea.com<mailto:ramse...@netnea.com>>
Sent: 22 August 2025 12:54 AM
To: Jethro Binks <jethro.bi...@strath.ac.uk<mailto:jethro.bi...@strath.ac.uk>>;
Cuttler, Brian R (HEALTH) via netdisco-users
<netdisco-users@lists.sourceforge.net<mailto:netdisco-users@lists.sourceforge.net>>
Subject: Re: [Netdisco] Trying to fetch arp entries from ArubaOSCX, again
Hi!
On 21.08.2025 21:31, Jethro Binks wrote:
> action: arpnip::nodes
Your config looks fine at a first glance except for I have never seen
action: used in device_auth... just as a wild guess maybe try without it?
You can also try ND2_LOG_PLUGINS=1 as env var to get some more output
from plugin and worker selection, maybe that helps.
Cheers
Christian
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