Question

SNMP and the UTM-1 Edge Boxes

Asked by: HarkinsIT

Hello there. I am using Cacti to monitor several devices on my network and when we decided to install an Edge box at each of our remote sites to establish site-to-site VPNs, I thought I would also look into monitoring those in cacti as well. I'm able to monitor interface traffic, CPU usage and uptime on the Edge devices using standard templates that come with Cacti. I was also interested in monitoring the number of used nodes vs the number of allowed nodes on each box so I used snmputil to walk the OIDs on the box. I discovered that the .1.3.6.1.4.1.6983.1.3.4 OID shows the number of used nodes so I set up the required things in Cacti to graph it. When I was done, I created the graphs for each of our 28 Edge boxes. Oddly enough, all of them worked except for 2. When I used snmputil to query the OID on those two boxes, I discovered that it did not even exist in these 2 boxes. In fact, the entire .1.3.6.1.4.1.6983 tree was not even there. I ensured that all of my devices were running the latest version of the firmware and also that SNMP was configured identically in each one.

To make matters even crazier, after setting up these "node monitor" graphs on all of my Edge boxes in Cacti, I noticed that some of them stopped graphing.  All other graphs for the affected boxes are working fine, it's just the monitored nodes one that decides to stop working.  When I use snmputil to again query the OID, .1.3.6.1.4.1.6983 was gone!  

I guess I don't understand enough about SNMP to know why an OID would vanish. Has anyone ever seen anything like this?

I appreciate any insight.

-Chris

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Asked On
2009-05-21 at 09:41:09ID24428423
Tags

checkpoint vpn edge cacti snmp oid mib

Topics

Network Management

,

Checkpoint Firewall

,

Virtual Private Networking (VPN)

Participating Experts
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Answers

 

by: uetian1707Posted on 2009-05-21 at 22:08:14ID: 24447871

Hi,

I think you are using the Checkpoint UTM? You need to download the MIB tree of checkpoint into your NMS (Cacti).

http://www.oidview.com/mibs/2620/CHECKPOINT-MIB.html
http://support.ipmonitor.com/mibs/CHECKPOINT-MIB/info.aspx

 

by: HarkinsITPosted on 2009-05-22 at 04:43:48ID: 24449756

Yeah, the boxes are UTM-Edge VPN Boxes.

I didn't think the issue had anything to do with Cati since I can't even query the .1.3.6.1.4.1.6983 tree with my snmputil on the problem boxes.  I am able to do so with most of my Edge boxes, it's just a few that don't work.

Am I misunderstanding things here?

Thanks for the response!
-Chris

 

by: uetian1707Posted on 2009-05-25 at 02:27:58ID: 24465384

If you know the particular OID then what is the issue with it? Simply query it and it will come back with the response.

 

by: HarkinsITPosted on 2009-05-25 at 06:26:13ID: 24466533

That's my problem.  I query the OID on one of our Edge boxes and it returns a successful response.  I query the same OID on another Edge box and it says that the tree doesn't even exist.  I get successful responses from most of the Edge boxes but there are 4 or 5 that do not respond to any of the 1.3.6.1.4.1.6983 tree.  

Sorry, I thought I explained that in my original question.

 

by: uetian1707Posted on 2009-05-25 at 20:48:31ID: 24470140

hmmm... Is the IOS/firmware same on each edge boxes?

 

by: HarkinsITPosted on 2009-05-26 at 06:21:21ID: 24472916

Yup, all of my boxes are running the same firmware version.

 

by: uetian1707Posted on 2009-05-26 at 06:49:15ID: 24473215

Seems really strange issue. Have you checked with Checkpoint support ?

 

by: HarkinsITPosted on 2009-05-26 at 06:50:39ID: 24473232

I have not.  I do not have a support agreement with them for these boxes.  I have posted something on their support forums, but those are pretty useless.  No one has responded, as usual.

Thanks.

 

by: uetian1707Posted on 2009-05-26 at 06:54:55ID: 24473288

What is the exact negative response?

 

by: HarkinsITPosted on 2009-05-26 at 06:59:11ID: 24473341

This is from a box that does not work:

C:\>snmputil walk 192.168.48.1 snmpstring .1.3.6.1.4.6983.1.3.4
End of MIB subtree.

This is from a box that does:

C:\>snmputil walk 192.168.20.1 snmpstring .1.3.6.1.4.1.6983.1.3.4
Variable = .iso.org.dod.internet.private.enterprises.6983.1.3.4.0
Value    = Integer32 2


 

by: HarkinsITPosted on 2009-05-26 at 07:02:36ID: 24473380

Also from a box that does not work:

C:\>snmputil walk 192.168.48.1 snmpstring .1.3.6.1.4.6983.
End of MIB subtree.

 

by: uetian1707Posted on 2009-05-26 at 08:05:38ID: 24474021

Can you save the configuration on the troubled box and then reset it with fresh firmware?

 

by: HarkinsITPosted on 2009-05-26 at 09:22:46ID: 24474774

Hmm.  I guess I could.  Not something I really wanna do though.  I'd have to travel out to the remote site to do this.  I guess if it's the only option.....

 

by: uetian1707Posted on 2009-05-26 at 09:33:29ID: 24474880

I leave for someone else who can come up with a better solution

 

by: HarkinsITPosted on 2009-06-25 at 08:36:18ID: 24712506

Request to close this question so I can avoid receiving the annoying e-mail reminders that it's still open.

Thanks
:-)

20120131-EE-VQP-002

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