Required Content Server Configuration

General

 The content server default gateway should be configured as normal. (Not via the ADC)

 The content server and the load balancer must be in the same subnet

Windows

 The content server needs to have a loopback or Alias configure

with the IP address of the Channel or VIP

o Network metric must be 254 to prevent response to ARP requests

o Add a loopback adapter in Windows Server 2012 – Click here

o Add a loopback adapter in Windows Server 2003/2008 – Click here

 Run the following in a command prompt for each network interface you have configured on the Windows Real Servers

netsh interface ipv4 set interface “Windows network interface name” weakhostreceive=enable

netsh interface ipv4 set interface “Windows loopback interface name” weakhostreceive=enable

netsh interface ipv4 set interface “Windows loopback interface name” weakhostsend=enable

Linux

 Add a permanent loopback interface

 Edit “/etc/sysconfig/network-scripts”

ifcfg-lo:1

DEVICE=lo:1

IPADDR=x.x.x.x

NETMASK=255.255.255.255

BROADCAST=x.x.x.x

ONBOOT=yes

 Edit “/etc/sysctl.conf”

net.ipv4.conf.all.arp_ignore = 1

net.ipv4.conf.eth0.arp_ignore = 1

net.ipv4.conf.eht1.arp_ignore = 1

net.ipv4.conf.all.arp_announce = 2

net.ipv4.conf.eth0.arp_announce = 2

net.ipv4.conf.eth1.arp_announce = 2

 Run “sysctl – p”