Re: [Nagios-users] Server/Router with more than 1 interface

2006-12-20 Thread Hugo van der Kooij 
On Wed, 20 Dec 2006, Herman (ISTD) wrote:

 Hi Hugo, thank you very much for your suggestion.

 Currently, I do the same thing with :

 define command{
command_namecheck_interface
command_line$USER1$/check_snmp_cisco_ifstatus -H
 $HOSTADDRESS$ -C $ARG1$ -i $ARG2$
}

 However, is it possible to change HOST status in Status Map to DOWN if
 one of the ip address could not be contacted ?

Be creative. Make dummy hosts using snmp as host check and base your 
topology (parent) on that.


Nagios -- router -- link -- router -- host

To which router interface you need to assign this dummy link host is left 
as an exercise for the reader.

Hugo.

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[Nagios-users] Server/Router with more than 1 interface

2006-12-19 Thread Herman (ISTD) 
Dear all,

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.

Thank you.

define host{
use generic-host; Name of host
template to use

host_name   NAS-TMMIN-HO
alias   FTP Server
address 10.16.20.120,10.254.8.2
parents HO_Core_SW
max_check_attempts  2
check_command   check-host-alive
contact_groups  admins
notification_interval   120
notification_optionsd,u,r
notification_period 24x7
flap_detection_enabled  1
}

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Re: [Nagios-users] Server/Router with more than 1 interface

2006-12-19 Thread 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_namecheck_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.

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Re: [Nagios-users] Server/Router with more than 1 interface

2006-12-19 Thread Herman (ISTD) 
Hi Hugo, thank you very much for your suggestion.

Currently, I do the same thing with :

define command{
command_namecheck_interface
command_line$USER1$/check_snmp_cisco_ifstatus -H
$HOSTADDRESS$ -C $ARG1$ -i $ARG2$
}

However, is it possible to change HOST status in Status Map to DOWN if
one of the ip address could not be contacted ?

Best Regards,

Herman


 -Original Message-
 From: [EMAIL PROTECTED] [mailto:nagios-users-
 [EMAIL PROTECTED] On Behalf Of Hugo van der Kooij
 Sent: Tuesday, December 19, 2006 9:01 PM
 To: Nagios Users mailinglist
 Subject: Re: [Nagios-users] Server/Router with more than 1 interface
 
 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_namecheck_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.
 
 --
   [EMAIL PROTECTED]   http://hvdkooij.xs4all.nl/
   This message is using 100% recycled electrons.
 


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