Host down /UNREACHABLE

[Andy Shellam (Mailing Lists)]

Does the host have the same parent in both Nagios installations?

It looks like on one Nagios server, the host goes through a parent which 
is down, and on the other there is no parent relationship (or it's 
parent is OK.)

Note: UNREACHABLE is not in terms of the network packets not reaching 
the host, it means that the parent host of a child host in Nagios is down.

Andy.

Riahi Taieb wrote:
> thanks for the replay
> I'm using the check_host_alive for hosts and check_ping as service, 
> but the problem is that both of the 2 machines go through the same 
> routers.
>
> Robert Wolfe a écrit :
>>
>> Are you using a PING plugin to check this?  If so, one of the routes 
>> may have a firewall or router that blocks ICMP pings.
>>
>>  
>>
>>  
>>
>> *From:* nagios-users-bounces at lists.sourceforge.net 
>> [mailto:nagios-users-bounces at lists.sourceforge.net] *On Behalf Of 
>> *Riahi Taieb
>> *Sent:* Friday, February 16, 2007 4:26 AM
>> *To:* nagios-users at lists.sourceforge.net
>> *Subject:* [Nagios-users] Host down /UNREACHABLE
>>
>>  
>>
>> Hi list,
>>
>> I have Nagios running on 2 machines on 2 sites that monitor the same 
>> route to one host. Although they have the same route, one gives me 
>> host down and the other host unreachable!
>> 1:
>>
>> Host Status:
>>
>> 	
>>
>>   DOWN    
>>
>> Status Information:
>>
>> 	
>>
>> CRITICAL - Plugin timed out after 10 seconds
>>
>>
>> 2:
>>
>> Host Status:
>>
>> 	
>>
>>   UNREACHABLE    
>>
>> Status Information:
>>
>> 	
>>
>> CRITICAL - Plugin timed out after 10 seconds
>>
>>
>> Do any one see this before ?
>>
>> Thx
>>
>
>
>
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-- 
Andy Shellam
NetServe Support Team

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