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Today's Topics:
1. Re: auto-discovery bumps (Nick Nauwelaerts)
--- Begin Message ---
sure,
in the web interface go to to admin -> snmp connect failures. take any device
ip you see there and then run a discovery of that device on the commandline:
netdisco-do discover -DI -d __device_ip__
that should give you a hint why discovery is failing. if it's not something
obvious you see there then please send the output of that command to the
mailing list so we can have a closer look;
good luck.
// nick
From: Stuart Kendrick [mailto:[email protected]]
Sent: Saturday, September 7, 2019 15:11
To: [email protected]
Subject: [Netdisco] auto-discovery bumps
BRIEF
- I have a new NetDisco installation ... but the Inventory is empty
- How might I trouble-shoot the connection between data gathering
(bulkwalks) and insertion into the postgres/netdisco database?
DETAIL
I have a brand-new Netdisco installation:
App::Netdisco 2.42.10
SNMP::Info 3.68
DB Schema 58
PostgreSQL 9.2.24
Perl 5.20.1
Guru% bin/netdisco-backend status
Netdisco Backend [Running]
Guru%
I can bring up the Web interface and log in ...
The host is running lots of Netdisco-related processes ...
guru% ps -ef | grep netdisco
netdisco 1365 1 0 09:29 ? 00:00:00 perl
/home/netdisco/bin/netdisc-web start
netdisco 1370 1365 0 09:29 ? 00:00:00 starman master
--disable-keepalive --user 5001 --group 5000
/home/netdisco/perl5/bin/netdisco-web-fg
netdisco 1385 1 0 09:29 ? 00:00:00 netdisco-backend
netdisco 1389 1385 0 09:29 ? 00:00:00 nd2: master
netdisco 1431 1370 1 09:29 ? 00:00:00 starman worker
--disable-keepalive --user 5001 --group 5000
/home/netdisco/perl5/bin/netdisco-web-fg
netdisco 1432 1370 0 09:29 ? 00:00:00 starman worker
--disable-keepalive --user 5001 --group 5000
/home/netdisco/perl5/bin/netdisco-web-fg
netdisco 1433 1370 0 09:29 ? 00:00:00 starman worker
--disable-keepalive --user 5001 --group 5000
/home/netdisco/perl5/bin/netdisco-web-fg
netdisco 1434 1370 0 09:29 ? 00:00:00 starman worker
--disable-keepalive --user 5001 --group 5000
/home/netdisco/perl5/bin/netdisco-web-fg
netdisco 1435 1370 0 09:29 ? 00:00:00 starman worker
--disable-keepalive --user 5001 --group 5000
/home/netdisco/perl5/bin/netdisco-web-fg
netdisco 1564 1389 0 09:29 ? 00:00:00 nd2: #1 sched: idle
netdisco 1565 1389 0 09:29 ? 00:00:00 nd2: #2 mgr: idle
netdisco 1566 1389 0 09:29 ? 00:00:00 nd2: #3 poll: idle
netdisco 1567 1389 0 09:29 ? 00:00:00 nd2: #4 poll: idle
netdisco 1568 1389 0 09:29 ? 00:00:00 nd2: #5 poll: idle
netdisco 1569 1389 0 09:29 ? 00:00:00 nd2: #6 poll: idle
postgres 1608 1296 0 09:29 ? 00:00:00 postgres: netdisco netdisco
127.0.0.1(35800) idle
postgres 1609 1296 0 09:29 ? 00:00:00 postgres: netdisco netdisco
127.0.0.1(35802) idle
postgres 1611 1296 0 09:29 ? 00:00:00 postgres: netdisco netdisco
127.0.0.1(35804) idle
postgres 1612 1296 0 09:29 ? 00:00:00 postgres: netdisco netdisco
127.0.0.1(35806) idle
postgres 1614 1296 0 09:29 ? 00:00:00 postgres: netdisco netdisco
127.0.0.1(35808) idle
postgres 1616 1296 0 09:29 ? 00:00:00 postgres: netdisco netdisco
127.0.0.1(35810) idle
But the Inventory 'System Information' screen is blank, i.e. the GUI tells me
things like:
0 devices with 0 IPs
0 interfaces of which 0 are up
[...]
The CLI confirms this:
Guru% bin/netdisco-do psql -e 'SELECT ip, dns FROM device'
[3187] 2019-09-06 17:18:50 info App::Netdisco version 2.042010 loaded.
[3187] 2019-09-06 17:18:50 info psql: started at Fri Sep 6 10:18:50 2019
ip | dns
----+-----
(0 rows)
[3187] 2019-09-06 17:18:50 info psql: finished at Fri Sep 6 10:18:50 2019
[3187] 2019-09-06 17:18:50 info psql: status done: psql session closed.
Guru%
Grabbing a pcap, I can see tens of thousands of SNMP bulkwalks against IP
addresses I recognize (mgmt. agents on my Ethernet switches, for example) ...
along with the suitable replies from my gear.
Suggestions for the next trouble-shooting step?
--sk
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--- End Message ---
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