Error: "first network error, wait for 15 seconds"

[danims]

I am using Zabbix Server version 1.8.10 and discovered the following in the server log:

7233:20120217:113500.281 resuming Zabbix agent checks on host [MyServer]: connection restored
7230:20120217:113527.688 Zabbix agent item [net.tcp.service[ssh]] on host [MyServer] failed: first network error, wait for 15 seconds
7233:20120217:113545.292 Zabbix agent item [net.tcp.service[ssh]] on host [MyServer] failed: another network error, wait for 15 seconds
7233:20120217:113600.548 resuming Zabbix agent checks on host [MyServer]: connection restored
7228:20120217:113625.868 Zabbix agent item [net.tcp.service[ssh]] on host [MyServer] failed: first network error, wait for 15 seconds
7233:20120217:113643.562 Zabbix agent item [net.tcp.service[ssh]] on host [MyServer] failed: another network error, wait for 15 seconds

I was able to pinpoint the issue to Iptables: If I stop IPtables on the Linux client (MyServer), then I won't get those error messages in the server log. However, even with iptables on, I can connect to the client:

root@zabbixserver:~# telnet myserver.tld 10050
Trying xxx.xxx.xxx.xxx...
Connected to myserver.tld.
Escape character is '^]'.

ZBXDZBX_NOTSUPPORTEDConnection closed by foreign host.

Any ideas?

[danims]

anyone? .

[bouivgre]

Hello,

I have got the same problem (http://www.zabbix.com/forum/showthread.php?t=24802).

I have tried several modification to my config. Add more cache, add more poller, modification of the timeout option, the historytextcachesize ... without success.

I am looking for some tweak on my mysql database config, but I am not really sure if the problem is located there.

Could you be more explicit on your configuration ?
I am on debian squeeze, Zabbix 1.9.8 with mysql database.

[alp]

I heve a same issue =(
Here my post about it https://www.zabbix.com/forum/showpos...7&postcount=13