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Today's Topics:
1. Re: Netdisco ARPNIP and Juniper devices (Jeroen van Ingen)
2. Re: Checkpoint VSX (Vidar Haugsv?r)
3. Re: Search failed! Please contact your site administrator.
(Steven Xu)
4. Re: snmpretries setting not working? (Steven Xu)
5. Re: snmpretries setting not working? (Joseph Bernard)
--- Begin Message ---
Hi Vlad,
Okay, so arpnipping your device 10.1.10.1 shows that we find 4 subnets
and 6 ARP entries (all for IPv6, no IPv6).
- Are those numbers what you'd expect?
- After you've run this arpnip, what happens when you search for these
six IPs in the web interface? For example, can you find 10.1.253.11?
Regarding LLDP on Juniper: we've had a few threads about tha in the
past, looks like this one had a working solution:
https://sourceforge.net/p/netdisco/mailman/message/34118835/
Regards,
Jeroen van Ingen
ICT Service Centre
University of Twente, P.O.Box 217, 7500 AE Enschede, The Netherlands
On 10/26/2015 04:11 PM, Vlad Kratsberg wrote:
I would like to add the following output.
[XXXXXX]$ ~netdisco/bin/netdisco-do show
-d 10.1.10.1 -e ipNetToMediaNetAddress
[24554] 2015-10-26 15:08:21 info show: started at Mon Oct 26 15:08:21 2015
\ {
535.10.1.255.1 "10.1.255.1",
535.10.1.255.2 "10.1.255.2",
536.10.1.253.1 "10.1.253.1",
536.10.1.253.11 "10.1.253.11",
534.108.60.138.41 "108.60.138.41",
534.108.60.138.42 "108.60.138.42"
}
[24554] 2015-10-26 15:08:27 info show: finished at Mon Oct 26 15:08:27 2015
[24554] 2015-10-26 15:08:27 info show: status done: Showed
ipNetToMediaNetAddress response from 10.1.10.1.
On Mon, Oct 26, 2015 at 10:49 AM, Vlad Kratsberg <[email protected]
<mailto:[email protected]>> wrote:
Hi,
I m having an issue with discovering arp table on juniper devices.
The problem is that it looks like netdisco does discover arp table
properly when in debug mode, but doesn't populate the database.
Netdisco gui doesn't display any arp entry for most of the juniper
devices.
It works very well for other vendors, like aruba, dell, etc.
[XXXXXX]$ ~netdisco/bin/netdisco-do arpnip -D -d 10.1.10.1
[1723] 2015-10-26 14:41:44 info arpnip: started at Mon Oct 26
14:41:44 2015
[1723] 2015-10-26 14:41:44 debug [10.1.10.1] try_connect with ver:
2, class: SNMP::Info::Layer3::Juniper, comm: <hidden>
[1723] 2015-10-26 14:41:47 debug resolving 6 ARP entries with max
50 outstanding requests
[1723] 2015-10-26 14:41:48 debug resolving 0 ARP entries with max
50 outstanding requests
[1723] 2015-10-26 14:41:48 debug [10.1.10.1] arpnip - found subnet
10.1.255.0/24 <http://10.1.255.0/24>
[1723] 2015-10-26 14:41:48 debug [10.1.10.1] arpnip - found subnet
108.60.138.40/29 <http://108.60.138.40/29>
[1723] 2015-10-26 14:41:48 debug [10.1.10.1] arpnip - found subnet
10.1.253.0/24 <http://10.1.253.0/24>
[1723] 2015-10-26 14:41:48 debug [10.1.10.1] arpnip - found subnet
10.255.5.0/24 <http://10.255.5.0/24>
[1723] 2015-10-26 14:41:48 debug [10.1.10.1] arpnip - processed 6
ARP Cache entries
[1723] 2015-10-26 14:41:48 debug [10.1.10.1] arpnip - processed 0
IPv6 Neighbor Cache entries
[1723] 2015-10-26 14:41:49 debug [10.1.10.1] arpnip - processed 4
Subnet entries
[1723] 2015-10-26 14:41:49 info arpnip: finished at Mon Oct 26
14:41:49 2015
[1723] 2015-10-26 14:41:49 info arpnip: status done: Ended arpnip
for 10.1.10.1
On a side note, Netdisco doesn't autodraw network topology for
juniper devices ( LLDP).
P.S: I didn't upgrade postgres. Should i ?
Any advice would be helpful.
Thank you
Vlad
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--- End Message ---
--- Begin Message ---
Have you got around this issue yet?
From
https://sc1.checkpoint.com/documents/R77/CP_R77_VSX_WebAdminGuide/6318.htm:
SNMP Monitoring
For more about using SNMP, see SNMP in the R77 Gaia Administration Guide.
VSX SNMP Modes
There are two modes of SNMP monitoring that you can use with VSX:
Default mode
VS mode
VS mode lets you monitor all of the Virtual Systems in the VSX Gateway.
Default mode only monitors VS0.

Note - When SNMP VS mode is enabled, traps from Virtual Systems are not
supported.
Querying a VSX Gateway or VSX Cluster
When you query a VSX Gateway or VSX cluster with SNMP v2 or v3, it is
necessary to send the query to the VSX Gateway (VS 0). For a VSX
cluster, make sure that you use the IP address for the cluster member.
The IP address that you use for the query depends on the configuration.
For a VSX Gateway that uses a DMI configuration, send the SNMP query to
the IP address of the DMI interface.
For a VSX cluster that uses a DMI configuration, send the SNMP query to
the IP address of the DMI interface for each cluster member.
For a VSX Gateway or cluster that uses a non-DMI configuration, send the
SNMP query to the IP address of the external interface on the VSX
Gateway. Do not use virtual IP addresses in the query.
For a Virtual Router with a VSX Gateway or cluster that uses a non-DMI
configuration, send the SNMP query to the IP address of the Management
interface. Do not use the IP address of the Virtual Router.
For more about querying VSX Gateways, see sk34054.
Supported SNMP Versions
The VS mode uses SNMP version 3 to query the Virtual Systems. You can
run remote SNMP queries on Virtual Systems in the VSX Gateway.
For systems that only support SNMP versions 1 and 2:
You cannot run remote SNMP queries for each Virtual System. You can only
run a remote SNMP query on VS0.
You can use the CLI to change the Virtual System context and then run a
local SNMP query on a Virtual System.
Enabling VS Mode
To enable VS mode on the VSX Gateway:
Create an SNMP v3 user.
Enable VS mode.
Start the SNMP agent.
Sample commands:
> add snmp usm user admin security-level authNoPriv auth-pass-phrase
abcd1234
> set snmp mode vs
> set snmp agent on
Note - If you run SNMP in the VS mode, you must run the snmpwalk command
and set the -n switch to ctxname_vsid<vsid>.
Example:
snmpwalk -n ctxname_vsid2 -v 3 -l authNoPriv -u admin -A abcd1234
192.2.2.2 ifDesc
Sample SNMP VS Mode Configuration
Sample remote query of interfaces for VS2:
> snmpwalk -n ctxname_vsid2 -v 3 -l authNoPriv -u admin -A abcd1234
<VSX_IP_Address> ifDescr
Sample local query of interfaces for VS2:
> vsenv 2
> snmpwalk -v 2c -c public localhost ifDescr

Note - You must enable VSX Resource Control Monitoring to see
information about CPU usage per Virtual System.
As I understand it should be possible to get relevant arp og ip
interface data with snmpv3 from each virtual system but not snmp v1 or
v2. I haven't got around testing it yet but I hope this is correct
- Vidar
On 22/05/14 12:01, Nuno wrote:
App::Netdisco 2.027004
Is there any news regarding Checkpoint VSX support on arpnip?
My problem : netdisco is able to discover checkpoint vsx but it only
arpnip
the master engine not Virtual systems.
Is there any development regarding this issue?
Thanks,
Nuno
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--- End Message ---
--- Begin Message ---
Hi Gary,
The current implementation of port search/device ports consumes too much memory, causing the search to fail. Removing columns will reduce the memory that Netdisco needs. Working on a fix.
Steven
-----Gary Lloyd <[email protected]> wrote: -----
To:
[email protected]From: Gary Lloyd <
[email protected]>
Date: 10/26/2015 06:21AM
Subject: Re: [Netdisco] Search failed! Please contact your site administrator.
Its fixed now. Oddly unchecking a couple of the boxes on the display column made the issue go away and not come back.
Cheers
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--- End Message ---
--- Begin Message ---
This is a bug. I submitted the code fix to the maintainer, hopefully it will be applied soon.
Steven
-----Joseph Bernard <[email protected]> wrote: -----
To: "
[email protected]" <
[email protected]>
From: Joseph Bernard <
[email protected]>
Date: 10/26/2015 12:43PM
Subject: [Netdisco] snmpretries setting not working?
I put the following in deployment.yml
snmpretries: 0
When I do the following, it still tries 3 times before failing:
~/bin/netdisco-do -D discover -d 10.0.0.1
Am I missing something?
Thanks,
Joseph B.
------------------------------------------------------------------------------
--- End Message ---
--- Begin Message ---
Thanks! I thought I was going crazy.
~Joseph B.
From: Steven Xu
Date: Tuesday, October 27, 2015 at 2:32 PM
To: Joseph Bernard
Cc:
"[email protected]<mailto:[email protected]>"
Subject: Re: [Netdisco] snmpretries setting not working?
This is a bug. I submitted the code fix to the maintainer, hopefully it will be
applied soon.
Steven
-----Joseph Bernard <[email protected]<mailto:[email protected]>> wrote: -----
To:
"[email protected]<mailto:[email protected]>"
<[email protected]<mailto:[email protected]>>
From: Joseph Bernard <[email protected]<mailto:[email protected]>>
Date: 10/26/2015 12:43PM
Subject: [Netdisco] snmpretries setting not working?
I put the following in deployment.yml
snmpretries: 0
When I do the following, it still tries 3 times before failing:
~/bin/netdisco-do -D discover -d 10.0.0.1
Am I missing something?
Thanks,
Joseph B.
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