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Today's Topics:
1. Re: Trying to fetch arp entries from ArubaOSCX, again
(Oliver Gorwits)
--- Begin Message ---
That’s correct, at present you can have either but not both. However we
have a ticket for this feature so it should come along soon. Ish.
Oliver.
On Wed, 29 Oct 2025 at 18:33, Mackie, Paul <[email protected]> wrote:
> Hi Jethro / all
>
> I implemented the SSH collector for AOS-CX, and arpnip is now working for
> these devices. Thanks for your work on this.
>
> However, I see that this also causes macsuck to fail for the same devices,
> because it is being attempted by SSH also.
>
> Am I missing something in my configuration, or do I need to choose between
> having arpnip or macsuck working for Aruba AOS-CX devices? It seems I can
> have either but not both at present?
>
>
>
> Best regards,
>
> *Paul Mackie*
>
>
> GEA INTERNAL
> From: Muris <[email protected]>
> *Sent:* 24 September 2025 10:08
> *To:* Jethro Binks <[email protected]>; Nick Nauwelaerts <
> [email protected]>; Oliver Gorwits <[email protected]>
> *Cc:* Cuttler, Brian R via netdisco-users (HEALTH) <
> [email protected]>
> *Subject:* Re: [Netdisco] Trying to fetch arp entries from ArubaOSCX,
> again
>
>
>
> Hi JR Binks, thanks for contributing this addon for ArubaOS-CX, there is 1
> problem with it is that it doesnt work in environments with multiple vrfs
>
> Can i make a suggestion to change this line -
>
> *$expect->send("show arp\n");*
>
> to
>
> *$expect->send("show arp all-vrfs\n");*
>
> This way it works accross all VRFs present on the switch.
>
> I did test it modifying to this and it does work correctly in mutiple
> VRF's and grabbing the arps.
>
>
>
> Regards,
>
> Muris
>
>
>
> *From: *Jethro Binks <[email protected]>
> *Date: *Monday, 25 August 2025 at 04:15
> *To: *Nick Nauwelaerts <[email protected]>, Oliver Gorwits <
> [email protected]>
> *Cc: *"Cuttler, Brian R (HEALTH) via netdisco-users" <
> [email protected]>
> *Subject: *Re: [Netdisco] Trying to fetch arp entries from ArubaOSCX,
> again
>
>
>
> 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 <[email protected]>
> *Sent:* 24 August 2025 1:34 PM
> *To:* Jethro Binks <[email protected]>; Oliver Gorwits <
> [email protected]>
> *Cc:* Cuttler, Brian R (HEALTH) via netdisco-users <
> [email protected]>
> *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 <[email protected]>
> *Sent:* Sunday, August 24, 2025 12:39
> *To:* Oliver Gorwits <[email protected]>
> *Cc:* Cuttler, Brian R (HEALTH) via netdisco-users <
> [email protected]>
> *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 <[email protected]>
> *Sent:* 22 August 2025 10:02 PM
> *To:* Jethro Binks <[email protected]>
> *Cc:* Cuttler, Brian R (HEALTH) via netdisco-users <
> [email protected]>
> *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 <[email protected]>
> 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 <[email protected]>
> *Sent:* 22 August 2025 12:54 AM
> *To:* Jethro Binks <[email protected]>; Cuttler, Brian R (HEALTH)
> via netdisco-users <[email protected]>
> *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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