NetScaler Topologies Comparison

Source: Understanding Common Network Topolgies

Topology	Two-Arm (inline)
	Multiple Subnets	Transparent
Client/Server IP	on the different subnets	on the same subnet
VIP	public subnet	no VIP
SNIP	private subnet	n/a
NSIP	private subnet	public subnet
MIP	n/a	public subnet
Server IP	private subnet	public subnet, configure the default gateway as the MIP
Layer 2 Mode	n/a	must enable
Use SNIP Option	must enable	n/a
Others	the most commonly used topology	if the clients need to access the servers directly NetScaler is placed between the client and the server
Diagram
Task Overiew	Task overview: To deploy a NetScaler appliance in two-arm mode with multiple subnets 1. Configure the NSIP and default gateway, as described in "Configuring the NetScaler IP Address (NSIP)." 2. Configure the SNIP, as described in "Configuring Subnet IP Addresses." 3. Enable the USNIP option, as described in "To enable or disable USNIP mode." 4. Configure the virtual server and the services, as described in "Creating a Virtual Server" and "Configuring Services." 5. Connect one of the network interfaces to a private subnet and the other interface to a public subnet.	Task overview: To deploy a NetScaler in two-arm, transparent mode 1. Configure the NSIP, MIP, and default gateway, as described in "Configuring a NetScaler by Using the Command Line Interface." 2. Enable L2 mode, as described in "Enabling and Disabling Layer 2 Mode." 3. Configure the default gateway of the managed servers as the MIP. 4. Connect the network interfaces to the appropriate ports on the switch.

Topology	One-Arm
	Single Subnet	Multiple Subnets
Client/Server IP	on the same subnet	on the different subnets
VIP	on the NetScaler	on the NetScaler
SNIP	n/a	private subnet
NSIP	public subnet	private subnet
MIP	public subnet	n/a
Server IP	public subnet	private subnet
Layer 2 Mode	n/a	n/a
Use SNIP Option	n/a	must enable
Others	connect one of the NICs to switch	connect one of the NICs to switch
Diagram
Task Overiew	Task overview: To deploy a NetScaler in one-arm mode with a single subnet 1. Configure the NSIP, MIP, and the default gateway, as described in "Configuring the NetScaler IP Address (NSIP)". 2. Configure the virtual server and the services, as described in "Creating a Virtual Server" and "Configuring Services". 3. Connect one of the network interfaces to the switch.	Task overview: To deploy a NetScaler appliance in one-arm mode with multiple subnets 1. Configure the NSIP and the default gateway, as described in "Configuring the NetScaler IP Address (NSIP)". 2. Configure the SNIP and enable the USNIP option, as described in "Configuring Subnet IP Addresses". 3. Configure the virtual server and the services, as described in "Creating a Virtual Server" and "Configuring Services". 4. Connect one of the network interfaces to the switch.