Server/Router with more than 1 interface

[Hugo van der Kooij]

On Tue, 19 Dec 2006, Herman (ISTD) wrote:

> I have some servers and routers that have more than 1 interface, and
> each interface has IP Address. I would like define a host is alive if
> all of its interface ip address are available via check_ping.
>
> So I define as following, but if I shut down the interface with ip
> 10.254.8.2. Nagios still think the host as alive, since Nagios just
> detect the IP 10.16.20.120 as the indicator of the host. Any workaround
> to make Nagios aware of both IP Addresses/IP Address ? Any suggestion
> will be highly appreciated.

This is one of those rare cases where host dependencies may come into 
play.

But I would add the interfaces as PING service to the host or use SNMP to 
check the real interface status. Something like:

# 'check_snmp_int' command definition define command{
         command_name    check_snmp_int
         command_line    $USER1$/check_snmp_int.pl -H $HOSTADDRESS$ -C $ARG1$ -n $ARG2$
         }

Getting the proper interface names can be a daunting task with some 
routers.

Hugo.

-- 
 	hvdkooij at vanderkooij.org	http://hvdkooij.xs4all.nl/
 	    This message is using 100% recycled electrons.

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