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Today's Topics:
1. Re: App::Netdisco 2.032005 Not showing device DNS names (only
showing IP's) (Oliver Gorwits)
2. Re: Question re: NetDisco2 & IPv6 (Bill Fenner)
3. Search Failed error message (Andy Sainsbury)
4. Re: Search Failed error message (Joseph Bernard)
5. BNT Layer 2/3 Copper Gigabit Ethernet Switch (Botka Istvan)
6. Exporting data from Netdisco 2 for Icinga (Zachary McGibbon)
--- Begin Message ---
On 2015-06-17 15:08, Bill Richardson wrote:
I needed to add this to me config:
reverse_sysname: true
Now the dns field in device table is being updated and I see hostname
instead of IP's
Surprised no one else has asked this before? I must be a little slow
J
Perhaps not you - there were some changes to this area of Netdisco a
couple of releases ago - we could have introduced a bug.
I'll look into it and report back, but I'm glad you have a workaround.
regards,
oliver.
FROM: Bill Richardson
SENT: Wednesday, June 17, 2015 8:46 AM
TO: '[email protected]'
SUBJECT: RE: App::Netdisco 2.032005 Not showing device DNS names
(only showing IP's)
One more update:
If I add manually add a dns name to the device table dns field it
works. So how do I get the DNS fields to update automatically in the
device table?
FROM: Bill Richardson
SENT: Wednesday, June 17, 2015 8:19 AM
TO: '[email protected]'
SUBJECT: RE: App::Netdisco 2.032005 Not showing device DNS names
(only showing IP's)
So just to be clear
table "device" the dns field has no data
table "device_ip" does have data in the dns field
Looking at the debug output of a discovery it looks like it only
updates the device_ip table:
INSERT INTO device_ip( alias, dns, ip, port, subnet )
VALUES( ?, ?, ?, ?, ? ) : '__BULK_INSERT__'
Ok so is this dns data only in the device_ip table? If so what do I
need to do to show that in the neighbor maps?
FROM: Bill Richardson
SENT: Wednesday, June 17, 2015 7:52 AM
TO: '[email protected]'
SUBJECT: App::Netdisco 2.032005 Not showing device DNS names (only
showing IP's)
I have looked thru the doc's and have searched this list but can't
seem to determine why I'm not seeing my device hostnames showup?
Nodes
all seem to resolve but none of the devices have anything data in the
DNS table. Looking at the neighbor maps all devices show IP's no
names.
My config has this entry:
dns:
max_outstanding: 50
Doing a discovery and looking at the debug output as so:
"netdisco-do discover -d switch-name -D" I see that its resolving:
"debug resolving 7 aliases with max 50 outstanding requests"
Doing a tcpdump and looking at port 53 (while running a discovery) I
see the proper DNS requests and responses
Any thoughts on why this is not working?
Thank you.. Bill
--- End Message ---
--- Begin Message ---
Some of these features simply make no sense for the size of IPv6 subnets.
E.g., "List IPs never seen" -- there are 18446744073709551616 addresses in
a /64, and even if you have tens of thousands of hosts, it makes no sense
to try to enumerate those never seen. Similarly, on the topic of
utilization, if you are trying to determine what percentage
of 18446744073709551616 you're using, is 0.000000000000005% a useful value?
I agree that the subnet inventory would be useful and sensible to have work.
Bill
On Tue, Jun 9, 2015 at 9:02 PM, Chris Moody <[email protected]> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA512
>
> My apologies - I spoke too soon and I am seeing some v6 info when I,
> say, dig into individual host details.
>
> Where I'm perhaps overlooking something is in things like IP reporting.
>
> IP Inventory and IP Subnet utilization won't accept a /64 in their
> CIDR search boxes (no results ever show) and other fields such as
> 'List IPs Never Seen' show the following attached message. Yet the
> top general searchbar does accept IPv6 addresses.
>
> I suppose I should have phrased my question "when is IPv6 going to be
> fully supported" as it feels as if it is in a somewhat half-baked-in
> state. By no means a complaint - just wondering where things stand.
>
> Cheers,
> - -Chris
>
>
> On 5/29/15 3:47 PM, Joseph Bernard wrote:
> > We have an IPv6 network, and Netdisco works at giving us IPv6 info.
> > What's not working for you?
> >
> > Thank, Joseph B.
> >
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>
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>
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--- End Message ---
--- Begin Message ---
Hi there,
I'm finding that a couple of devices in my environment are causing the
"Ports" search to fail with the message "Search failed! Please contact your
site administrator.", and was wondering if anybody else has encountered
that problem?
I've run pgtune on my VM, and have plenty of free resources but can't
figure out what is causing the time out and subsequent error.
Any starting points would be great.
Regards,
Andy Sainsbury
-Network Engineer
-Melbourne University
PS Love the ap, its making my life so much easier!
--- End Message ---
--- Begin Message ---
I ran into this problem recently, but it coincided with my VM host running out
of space. I did a VACUUM ANALYZE of the database as a troubleshooting step,
and the search returned to normal the same day. I can't be sure if that had an
affect though.
Thanks,
Joseph B.
Sent from my iPhone
On Jun 25, 2015, at 9:26 PM, Andy Sainsbury
<[email protected]<mailto:[email protected]>> wrote:
Hi there,
I'm finding that a couple of devices in my environment are causing the "Ports"
search to fail with the message "Search failed! Please contact your site
administrator.", and was wondering if anybody else has encountered that problem?
I've run pgtune on my VM, and have plenty of free resources but can't figure
out what is causing the time out and subsequent error.
Any starting points would be great.
Regards,
Andy Sainsbury
-Network Engineer
-Melbourne University
PS Love the ap, its making my life so much easier!
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--- End Message ---
--- Begin Message ---
Hello,
I would to like include BNT Layer 2/3 Copper Gigabit Ethernet Switches
in my Netdisco2 environment. These kind of switches are developed for
blade servers as interconnect modules by the formerly Blade Network
Technologies (IBM has acquired it on September, 2010.) (I have saw this
kind of switch in some HP c-Class Blade chassis also).
I got the MIB file from a firmware upgrade pack the I put it to
~/netdisco-mibs/ibm/GbESM-1G-L2L3.mib.
I patched the ~/netdisco-mibs/mib_index.txt
--- mib_index.txt.orig 2015-07-02 12:56:42.644316549 +0200
+++ mib_index.txt 2015-07-01 16:21:33.358526796 +0200
@@ -2567,6 +2567,7 @@
./ibm/.index
IBM-GbTOR-10G-L2L3-MIB GbTOR-10G-L2L3.mib
+BNT-GbESM-1G-L2L3-MIB GbESM-1G-L2L3.mib
./juniper/.index
I've set snmp community, syslocation, syscontact on the switch.
And finally I've get an error at discovery phase:
[netdisco@noc ~]$ ~/bin/netdisco-do discover -d 10.2.80.4
[5805] 2015-07-02 11:08:56 info discover: started at Thu Jul 2
13:08:56 2015
[5805] 2015-07-02 11:08:57 info discover: finished at Thu Jul 2
13:08:57 2015
[5805] 2015-07-02 11:08:57 info discover: status error: error running
job: DBIx::Class::Storage::DBI::_dbh_execute_for_fetch():
execute_for_fetch() aborted with 'ERROR: invalid byte sequence for
encoding "UTF8": 0xff' at populate slice:
{
description => "\177\377\200\0\0\0\0\0",
ip => "10.2.80.4",
last_discover => \"now()",
vlan => 4095
} at /home/netdisco/perl5/lib/perl5/App/Netdisco/Core/Discover.pm line 464
I've tried netdisco-do discover -d 10.2.80.4 -D -I
It seems to me that the switch says LATIN1 (or LATIN2) strings but
netdisco wanted UTF8 strings.
Is there any option in the deployment.yml to specify character encoding
to specific snmp devices or converting on-the-fly to UTF8 before
inserting into SQL?
Cheers,
Istvan Botka
--- End Message ---
--- Begin Message ---
Hi, I'm a new user to netdisco and we are looking at using it here at my
work to map out our network. I looked at netdisco as we needed a better
way to figure out the parent/child relationships between our switches and
routers as we have a fairly large campus network.
What I'm trying to figure out now is the best way to extract data from the
CLI using a perl script, either by polling the database directly or by
using the netdisco modules but I'm not sure what is the best way to start.
Does anyone have any suggestions or sample scripts that I could use?
Thanks!
- Zachary
--- End Message ---
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