---- Original message ---- >Date: Tue, 28 Feb 2006 20:07:27 -0500 >From: "Chet Luther" <[EMAIL PROTECTED]> >Subject: Re: [Nagios-users] nagios on VPN gateway: ping trouble >To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> > >On 2/28/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: >> i have successfully installed nagios-2.0b4p0-chroot and its related packages, >> nagios-plugins-1.4.1 and nagios-web-2.0b4-chroot, on my home firewall/VPN >> gateway that's running openbsd-3.8 release. i'm starting simple and doing a >> check_ping on all my local machines (10.9.0/24 and 10.9.1/24 subnets), which >> is >> working great and i can see their status under the nagios web interface. now >> that i have check_ping working for my local machines, i want to do the same >> for >> hosts at my remote location (10.0.0/24 and 10.0.1./24 subnets) that are under >> the same VPN. >> >> however, i am not able to check_ping for 10.0.0.1, the remote VPN gateway, >> even >> though i'm able to ping it from my home VPN gateway. since my home VPN >> gateway >> has both a public IP, x.y.z.w, and a private IP, 10.9.0.1, i have to issue a >> "ping -I 10.9.0.1 10.0.0.1" to ping the remote VPN gateway via the VPN, >> otherwise the interface address transmitted falls outside my VPN subnet >> (10.9/16) and the ping doesn't get routed through the VPN. i changed the >> ping_syntax variable in cgi.cfg from "/bin/ping -n -c 5 $HOSTADDRESS$" to >> "/bin/ping -I 10.9.0.1 -n -c 5 $HOSTADDRESS$" to try to remedy the problem, >> but >> it hasn't done the trick. >> >> just to be clear, here is an text rendering of the situation: >> >> ######################### ############################# >> # home VPN gw # # work VPN gw # >> # pub. IP = x.y.z.w #--internet----# pub. IP = a.b.c.d # >> # priv. IP = 10.9.0.1 # # priv. IP = 10.0.0.1 # >> # VPN for 10.9/16 # # VPN for 10.0/16 # >> ######################### ############################# >> >> am i not supposed to run nagios on such a gateway? i could move it to another >> machine behind the gateway at home, but i would rather not for computing >> resource reasons. any suggestions on how to successfully check_ping in this >> situation would be appreciated. thx for reading. > >Jake, > >Just add a route for the 10.0/16 on your home VPN gateway to the >proper interface so that the source interface is correct by default. >
many thanks! issuing a "route add 10.0/16 10.9.0.1" on the home gateway did the trick. >-- >Chet Luther >[EMAIL PROTECTED] ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 _______________________________________________ Nagios-users mailing list Nagios-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null