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Type:
Problem report
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Resolution: Won't fix
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Priority:
Major
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None
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Affects Version/s: 3.4.9
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Component/s: Frontend (F), Server (S)
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None
Steps to reproduce:
- Two Zabbix Servers are behind HAProxy Servers in Active/Passive mode. Part of haproxy.cfg from one of the HAProxy server.
frontend ha-monit-app bind :10051 mode tcp default_backend monit-app backend monit-app server monit-app-01 10.164.0.10:10051 check server monit-app-02 10.156.0.10:10051 check backup
There are two HAProxy** servers with the same configuration are switched using failover ip 172.31.255.254
I've checked with nmap & ping is the failover ip available from other nodes, specially from zabbix web server and there those results:
PING 172.31.255.254 (172.31.255.254) 56(84) bytes of data. 64 bytes from 172.31.255.254: icmp_seq=1 ttl=64 time=1.43 ms 64 bytes from 172.31.255.254: icmp_seq=2 ttl=64 time=0.284 ms 64 bytes from 172.31.255.254: icmp_seq=3 ttl=64 time=0.326 ms 64 bytes from 172.31.255.254: icmp_seq=4 ttl=64 time=0.306 ms 64 bytes from 172.31.255.254: icmp_seq=5 ttl=64 time=0.277 ms --- 172.31.255.254 ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4054ms rtt min/avg/max/mdev = 0.277/0.525/1.433/0.454 ms
And rest
nmap -Pn -p 10051 172.31.255.254 Starting Nmap 7.40 ( https://nmap.org ) at 2018-06-15 00:59 CEST Nmap scan report for 172.31.255.254 Host is up (0.0012s latency). PORT STATE SERVICE 10051/tcp open zabbix-trapper Nmap done: 1 IP address (1 host up) scanned in 0.29 seconds telnet 172.31.255.254 10051 Trying 172.31.255.254... Connected to 172.31.255.254. Escape character is '^]'. ^CConnection closed by foreign host.
So everything looks good. That's why on frontend server in zabbix.conf.php I've set following values:
$ZBX_SERVER = '172.31.255.254'; $ZBX_SERVER_PORT = '10051'; $ZBX_SERVER_NAME = 'Zabbix GCP HAProxy';
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**Result:**
I attached some screen to show you that this doesn't work on front.
This is directly from frontend
It doesn't really make sense. I'm afraid I will have the same problem with zabbix proxy servers when they will want to connect to those servers behind HAProxy.
...