Reference Guide

NOTE: Administrator must add additional back end servers beyond the total number of client’s capacity to have
seamless failover.
5. Save the changes to the haproxy.cfg file by typing CTRL+O.
The following text is a sample HAProxy configuration file:
global
log /dev/log local0
log /dev/log local1 notice
chroot /var/lib/haproxy
daemon
#maxconn is maximum allowed connections
maxconn 60000
defaults
log global
mode tcp
timeout connect 5000ms
timeout client 50000ms
timeout server 50000ms
errorfile 400 /etc/haproxy/errors/400.http
errorfile 403 /etc/haproxy/errors/403.http
errorfile 408 /etc/haproxy/errors/408.http
errorfile 500 /etc/haproxy/errors/500.http
errorfile 502 /etc/haproxy/errors/502.http
errorfile 503 /etc/haproxy/errors/503.http
errorfile 504 /etc/haproxy/errors/504.http
frontend fe_teradici_5172
bind :5172
mode tcp
backlog 4096
maxconn 70000
default_backend be_teradici_5172
backend be_teradici_5172
mode tcp
option log-health-checks
option tcplog
balance leastconn
server emsdk1 :5172 check server emsdk2 5172 check : timeout queue 5s timeout
server 86400s
option srvtcpka
#frontend fe_teradici_5172
#replace IP with IP of your Linux proxy machine bind Eg: 10.150.105.119:5172
#default_backend servers
#backend servers
#Add your multiple back end windows machine ip with 5172 as port
# maxconn represents number of connection- replace 10 with limit #(below 20000)
# "server1" "server2" are just names and not keywords
#server server1 10.150.105.121:5172 maxconn 20000 check
#server server2 10.150.105.124:5172 maxconn 20000 check
6. Validate the HAProxy configuration by running the following command:
sudo haproxy –f /etc/haproxy/haproxy.cfg –c
If the confiration is valid, the message Configuration is Valid is displayed.
7. Restart HAProxy servce by running the following command:
Sudo service haproxy restart
8. Stop HAProxy by running the following command:
serviceSudo service haproxy stop
Achieve high availability for Teradici devices
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