RE: [NV-L] Monitoring devices through VPN tunnels

How I did it was to add an entry into my netmon seed file for that device. That way, it’ll get into the map no matter what (as long as it’s a unique IP, that is). I also kept all my devices in my /etc/hosts too, but that shouldn’t be necessary as long as your DNS is pretty quick/responsive.

Peace,

Blane Robertson

Capgemini / Dallas

Enterprise Systems Management/ Capgemini Energy

Office: +1 214 879 1666/ www.us.capgemini.com

Whether you think you can, or you think you can’t, you’re right! – Henry Ford

From: nv-l-bounces AT lists.ca.ibm DOT com [mailto:nv-l-bounces AT lists.ca.ibm DOT com] On Behalf Of Mario Behring
Sent: Thursday, March 01, 2007 7:03 AM
To: NetView List
Subject: [NV-L] Monitoring devices through VPN tunnels

Hi all,

Any advises on the above subject? I have several devices behind VPN tunnels that I have to monitor for availability as well as configuring events based on MIB variables thresholds......

I am having some difficulties like:

some devices (routers mostly) are not being discovered by NV, but they answer ping and snmpwalk commands issued at the command line at the NV server.
different clients connected through VPN tunnels have similar IP ranges, so the addresses the NV server actually see are NAT addresses.

How can I work around these isues? Do I have to use CNAT? Is there any special configuration for NV to deal correctly with devices behind VPN tunnels?

Most tunnels are configured through PIX/ASA Cisco devices, and some through routers.

I am running NV 7.1.5 on a Red Hat 4 server.

Thanks in advance.

Best regards,

Mario Behring

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