# OS: CentOS 6.4 x86_64 with minimal installation.

# Enable EPEL

rpm -ivh http://mirror.pnl.gov/epel/6/i386/epel-release-6-8.noarch.rpm

# Install necessary packages

yum install -y boost-thread.x86_64 boost-system.x86_64 boost-regex.x86_64 boost-serialization.x86_64 log4cxx apr-util apr perl-IO-Socket-INET6 perl-libwww-perl perl-Time-HiRes perl-Socket6 net-snmp-libs

# Copy the sample configuration

cp /etc/ha.d/conf/l7directord.cf.sample /etc/ha.d/conf/l7directord.cf

# make necessary change, basically we don’t need change too much

[[email protected]1 ~]# diff /etc/ha.d/conf/l7directord.cf.sample /etc/ha.d/conf/l7directord.cf

32,34c32,34

< virtual = 192.168.0.50:80 < real = 192.168.0.51:80 masq 1 < real = 192.168.0.52:80 masq 1 -– > virtual = 192.168.1.50:80

real = 192.168.1.91:80 masq 1

real = 192.168.1.93:80 masq 1

# Setup VIP

ifconfig eth0:0 192.168.1.50 up

# Start L7

/etc/init.d/l7vsd start

/etc/init.d/l7directord start

tail -f /var/log/l7vs/l7directord.log &

# check healthy

[[email protected] ~]# l7vsadm

Layer-7 Virtual Server version 3.0.4

Prot LocalAddress:Port ProtoMod Scheduler

-> RemoteAddress:Port Forward Weight ActiveConn InactConn

TCP 192.168.1.50:http sessionless rr

-> 192.168.1.91:http Masq 1 0 0

-> mgm01.linuxdict.com:http Masq 1 0 0

# Debug

/var/log/l7vs/

# default LB use sessionless, you can change the module to ip make it session sense LB