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Today's Topics:
1. Re: Can't get neighbours from Juniper EX switches (James Dore)
--- Begin Message ---
Hi Joseph,
Yes, indeed it does - I've got three Juniper switches at home, and they all
report their LLDP neighbours correctly, for instance:
root@loft-switch<mailto:root@loft-switch>> show lldp neighbors
Local Interface Parent Interface Chassis Id Port info System Name
ge-0/0/0.0 - 2c:3a:fd:a7:df:7e LAN:4 fritz.box
ge-0/0/22.0 ae0.0 a8:d0:e5:be:6e:40 Loft uplink 1 workshop-switch
ge-0/0/23.0 ae0.0 a8:d0:e5:be:6e:40 Loft uplink 2 workshop-switch
ge-0/0/20.0 - ac:4b:c8:2f:f0:40 uplink to loft office-switch
{master:0}
root@loft-switch<mailto:root@loft-switch>>
- even getting an LLDP response from my router.
Cheers,
James
On Wed, 2021-01-13 at 14:50 +0000, Joseph Bernard wrote:
Does the Juniper show the HP as a neighbor when you do “show lldp neighbors”?
Thank,s
Joseph B.
From: James Dore <[email protected]>
Date: Wednesday, January 13, 2021 at 8:55 AM
To: "[email protected]"
<[email protected]>
Subject: [Netdisco] Can't get neighbours from Juniper EX switches
Hi All,
I'm testing netdisco at home for work purposes, and while it discovers the
neighbour links from my HP switch without issue, I have trouble with the
Juniper switches, which is what we have at work.
During discovery, I get
netdisco@home-netman<mailto:netdisco@home-netman>:~$ bin/netdisco-do discover
-d 192.168.1.248
[232048] 2021-01-12 17:09:41 info App::Netdisco version 2.047002 loaded.
[232048] 2021-01-12 17:09:42 info discover: [192.168.1.248] started at Tue Jan
12 17:09:42 2021
[232048] 2021-01-12 17:10:07 info [192.168.1.248] Entity 01000000 (Juniper
EX2200-24T-4G Ethernet Switch) has invalid parent 00000000 - attaching as root
entity instead
[232048] 2021-01-12 17:10:40 info discover: finished at Tue Jan 12 17:10:40 2021
[232048] 2021-01-12 17:10:40 info discover: status done: Ended discover for
192.168.1.248
and despite adding the suggested config to my Junipers' LLDP config as
described at
https://github.com/netdisco/netdisco/wiki/Vendor-Tips#neighbor-relations-on-juniper-ex
the links are not discovered. Is there something I'm missing?
The config on my Junipers looks thus:
root@workshop-switch<mailto:root@workshop-switch># show protocols
igmp-snooping {
vlan all;
}
rstp;
lldp {
management-address 192.168.1.248;
port-id-subtype interface-name;
interface all;
}
lldp-med {
interface all;
}
(is management-address the address of the management interface of the switch,
or the address of the netdisco server?)
Cheers,
James
--
James Dore
IT Technical Officer
New College, Oxford, OX1 3BN
01865 279252 / 01865 612345 out-of-hours
www.new.ox.ac.uk<http://www.new.ox.ac.uk>
[cid:[email protected]]
New College is registered with the Charity Commissioners.
New College Oxford is a registered trade mark - No. 2588652
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--
James Dore
IT Technical Officer
New College, Oxford, OX1 3BN
01865 279252 / 01865 612345 out-of-hours
www.new.ox.ac.uk<http://www.new.ox.ac.uk>
[cid:[email protected]]
New College is registered with the Charity Commissioners.
New College Oxford is a registered trade mark - No. 2588652
--- End Message ---
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