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Today's Topics:
1. Re: [EXTERNAL] Re: VyOS reports no MAC (Eric W. Bates (he))
--- Begin Message ---
Thanks. That's plenty to dig into.
On 8/17/23 06:30, Oliver Gorwits wrote:
This email originated outside of WHOI. Please use caution if clicking on links
or opening attachments.
Dear Eric
Netdisco can discover a device either via LLDP (or CDP or other neighbor
protocols) or you can manually ask for discovery. So I imagine the Vyatta that
is a node is either not running LLDP/CDP, or is not running SNMP agent, or
there is an ACL on SNMP agent so it doesn't respond. I know that VyOS sometimes
needs additional config locally to get SNMP working (e.g.
https://github.com/netdisco/netdisco/wiki/Vendor-Tips#linux-snmp-service-agent)
Missing MAC address can be caused by the vendor putting the MAC address
somewhere unusual and SNMP::Info needs to know where to look. For example the
Layer3 class (which is used by VyOS class) goes to look at the first entry in
the device physical address (interface MAC address) table, as here:
https://github.com/netdisco/snmp-info/blob/master/lib/SNMP/Info/Layer3.pm#L87.
You can try "~/bin/netdisco-do show -DI -e mac" or "~/bin/netdisco-do show -DI
-e ifPhysAddress"
Hope this helps
Oliver.
On Wed, 16 Aug 2023 at 23:43, Eric W. Bates (he)
<eba...@whoi.edu<mailto:eba...@whoi.edu>> wrote:
We have used VyOS to run wireguard tunnels to two remote locations; so
we have 3 copies of VyOS altogether.
The remote locations each have their own copy of NetDisco and we have
one here at the mother ship.
The two remote copies of VyOS became devices on their copy of NetDisco;
but the one here shows up only as a Node.
The Node version has a MAC address displayed.
The two Device versions do not display a MAC address (missing in the
database and via the API).
So I think I have 2 issues:
- Why didn't all 3 enter NetDisco as Devices? (and how do I fix the one)
- Why is there no MAC displayed?
I'd like to help debug this; but I'm not completely sure where to start.
I'd like to copy the OID used by NetDisco to query for the MAC and
confirm (or not) that the VyOS is actually supplying the info correctly.
Presumably that's buried somewhere in SNMP::Info::Layer3::VyOS?
Thank you for your time.
--
Clark 159a
508/289-3112
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