Dual NIC support on NetScaler ADM

May 2, 2023

Contributed by:

S C

You can configure two NICs on an ADM agent. Using the Dual NIC architecture, ADM agent will be able to:

Establish communication between ADM agent and ADC instances - You can use the first NIC to isolate the traffic that is received and sent through the NetScaler ADM and also to communicate between NetScaler ADM and its managed NetScaler instances in another network.
Establish communication between ADM agent and ADM service - You can use the second NIC to manage the ADM service that is on a network and perform administrative tasks

Note

You cannot interchange the functionality and configuration of both the NICS.

Block Diagram of Dual NIC Infrastructure

In this scenario, as an administrator, you can:

Configure IP address for the traffic between NetScaler ADM and its managed NetScaler instances.
Configure IP address for managing the NetScaler ADM software to perform all administrative tasks in the software.

Note

It is not mandatory to configure Dual NICs for an ADM agent. It is optional and is required only when traffic between ADM agent, ADM Service and ADCs needs to be separated.

Prerequisites

Ensure you have deployed and configured NetScaler ADM agent on the hypervisor (Citrix Hypervisor, Microsoft Hyper-V, Linux KVM, or VMware ESXi).
Ensure you have added the second NIC on the hypervisor (Citrix Hypervisor, Microsoft Hyper-V, Linux KVM, or VMware ESXi).

To assign an IP address to a NIC on a Citrix Hypervisor and create a secondary interface, see Assign an IP Address to a NIC.

Modify the IPV4 NIC network addresses

Open an SSHconnection to the NetScaler ADM agent console by using an SSH client, such as PuTTY.
Log in using the nsrecover/nsroot credentials and switch to the shell prompt.
Run the command ifconfig. You can see the details of the two NICs that you have configured -
- NIC 1 – For communication between ADM Agent to ADC Communication
- NIC 2 – For communication between ADM Agent to ADM service
Run the command networkconfig. A menu appears which allows you to set or modify the IPV4 network addresses.

Note

Second NIC Network address can take multiple IP values.
Select a menu item to modify. Save and quit the settings.

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Dual NIC support on NetScaler ADM

May 2, 2023

Contributed by:

S C

May 2, 2023

Contributed by:

S C

Dual NIC support on NetScaler ADM

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