NetVault 12.4 - Administration Guide for Managed Service Providers

Adding multiple clients

When adding clients to NetVault Backup Server, only an MSP administrator can use the following procedure to add multiple MSP clients at the same time.


	NOTE: A NetVault Backup Server can only support clients of the same version as itself or older. The NetVault Backup Client software version cannot be higher than the NetVault Backup Server software version.

To add multiple clients to NetVault Backup Server:

In the Navigation pane, click Guided Configuration, and then on the NetVault Configuration Wizard page, select the Install Software/Add Clients option.

On the Machines to Be Added as Clients page, , next to Machines, click the add (+) icon, and select a method for adding the deployment targets.

In the Add Machines window, on the Machine Details tab, enter the following details based on your method selection.

Method

Description

By FQDN or IP

To manually add the deployment targets, select this method.

On the Machine Details tab, specify the FQDN or IP address of the client.

Click Next.

From Active Directory

To select machines from an Active Directory Domain, select this method.

On the AD Details tab, provide the following details:

•

AD Server Address: Type the host name or IP address of the Active Directory Server.

•

User Name: Specify a Domain Account that is in the local Administrators group of all target machines.

The user name must be specified in the following format:

— or —

— or —

•

Password: Specify the password for the user account.

Optionally, if you want NetVault Backup to remember the password for this user name, select Save Credential.

NOTE: Saved credentials are visible only to the user who saved them. They are not available to any other users.

Click Connect.

In the list of Active Directory Objects, select the target machines, and click Next.

From a file

To import the target list from a file, select this method.

In the Add machines from file dialog box, click Select a file. After selecting the file in the browse window, click OK to upload the file.

For more information about the file format, see File format for specifying deployment targets.

Configure the applicable parameters.

Option

Description

Installation Settings

On the Installation Settings tab, provide the NetVault Backup password.

If no NetVault Backup password is set for the client, specify the administrator password for the machine.

Click Next.

Client Settings

On the Client Settings tab, provide the following details:

•

Client Description: Type a descriptive text for the client.

Client description can help you determine the location of the client or the role of the machine.

•

Client Group: To add the client to one or more client groups, select the corresponding check boxes.

The client groups that are configured to contain all clients are selected by default. You cannot change these selections.

Click Next.

Firewall Settings

If the client resides on a network that is outside the firewall, select the Client is Outside Firewall check box on the Firewall Settings tab, and provide the TCP/IP port specifications. For more information about these settings, see About firewall settings.

To save the client details, click OK.

Before submitting the task, do the following:

•

Click Verify to check connectivity to the clients. If any errors are reported, click Edit, and modify the applicable installation parameters.

•

If you want to assign a user-defined task name, type the name in the Task Name box.

To submit the task, click Add Clients.

You can monitor the progress and status of the task from the Deployment Task Status page. For more information, see Monitoring deployment tasks.

About firewall settings

Firewall settings are required to communicate with NetVault Backup Clients that reside outside the firewall. MSP administrator and tenant administrator can use these settings to specify the TCP/IP ports for establishing data transfer channels, message channels, and broadcast channels through the firewall.

MSP administrator and tenant administrator can configure the firewall settings when deploying or adding a client, or update these settings from the Change Settings page. MSP administrator and tenant administrator can also use the NetVault Backup WebUI to configure the firewall settings for new or existing clients.


	NOTE: NetVault Backup does not support firewalls using NAT (Network Address Translation)/IP Masquerading. Common firewall ports must used by all the tenant administrators, where same settings must be made for all the client machines.

The following table provides a brief description of the firewall settings.

Table 18. Firewall settings
Option	Description
Listen ports for devices	Ports to listen on for device requests. Configure this option on the NetVault Backup machines that have a locally attached device (for example, NetVault Backup Server or NetVault Backup Clients with SmartClient licenses). Requirement: Two ports per drive.
Connect ports for devices	Ports that plug-ins use to connect to remote storage devices. Configure this option on clients that connect to remote devices. Requirement: Two ports per drive.
Listen ports for NetVault Backup message channels	Ports for receiving messages during data transfers. Configure this option on both the NetVault Backup Server and the Client. NetVault Backup requires a two-way connection between the Server and the Client for message channels. Requirement: Three ports per client. To run two or more plug-ins simultaneously on a client, configure two ports per plug-in and an extra port per client. For example, to run two plug-ins simultaneously, configure (2 * 2) + 1 = 5 ports for a client.
Connect ports for NetVault Backup message channels	Ports for sending messages during data transfers. Configure this option on both the NetVault Backup Server and the Client. NetVault Backup requires a two-way connection between the Server and the Client for message channels. Requirement: Three ports per client. To run two or more plug-ins simultaneously on a client, configure two ports per plug-in and an extra port per client. For example, to run two plug-ins simultaneously, configure (2 * 2) + 1 = 5 ports for a client.
Connect ports for NDMP control channels	Ports for sending NDMP messages (NDMP control channels). Configure this option on the NetVault Backup Server (on which the plug-in is installed) when a firewall separates an NDMP filer and the NetVault Backup Server. By default, NetVault Backup uses port number 10000. You can change it, if necessary.
Listen ports for NDMP data channels	Ports to listen on for NetVault Backup devices operating as NDMP movers. Configure this option on the NetVault Backup Server or Client to which the device is attached. These ports are used for data transfers between the NDMP filer and storage device when a firewall separates the two networks.
Connect ports for inter-machine setup	Ports for establishing initial contact (broadcast channels) while adding a NetVault Backup Client, and later to ascertain its availability. Requirement: Two ports per client.

You can use the following formats to specify the ports or port ranges for data channels, message channels, and broadcast channels:

•

A comma-separated list (example: 20000, 20050)

•

A port-range separated by a dash (example: 20000-20100)

•

A combination of comma-separated list and port-range (example: 20000-20100, 20200)


	NOTE: You must configure the same port-range for data, message, and broadcast channels across all NetVault Backup machines.

IMPORTANT:

•

NetVault Backup does not support firewalls using NAT (Network Address Translation)/IP Masquerading.

•

NetVault Backup uses port number 20031 for TCP and UDP messaging. Make sure that this port is open on the firewall.

For more information, see the following sections:

•

Firewall filtering rules

•

Firewall configuration example

Firewall filtering rules

When creating firewall rules on the server and client machines, make sure that you open the following ports to send and receive traffic from NetVault Backup.


	IMPORTANT: MSP administrator can create Server to Client firewall rules and Tenant administrator can create Client to Server firewall rules.

Table 19. Firewall filtering rules
From	To	TCP/UDP	Source port	Destination port
Server	Client	TCP	Connect ports for inter-machine connection setup specified on the NetVault Backup Server	20031
Client	Server	TCP	Connect ports for inter-machine connection setup specified on the NetVault Backup Clients	20031
Server	Client	TCP	Connect ports for message channels specified on NetVault Backup Server	Listen Ports for Message Channels specified on the NetVault Backup Clients
Client	Server	TCP	Listen ports for message channels specified on the NetVault Backup Clients	Connect Ports for Message Channels specified on the NetVault Backup Server
Server	Client	UDP	20031	20031
Client	Server	UDP	20031	20031
Server	Client	TCP	Listen ports for devices specified on the NetVault Backup Server and Clients	Connect ports for devices specified on the NetVault Backup Clients
Client	Server	TCP	Connect ports for devices specified on NetVault Backup Clients	Listen ports for devices specified on NetVault Backup Server and Clients

Firewall configuration example

This example illustrates the network port requirements for a NetVault Backup system with the following configuration:

•

Number of drives: 6

•

Number of clients with one plug-in: 10

•

Number of clients with two plug-ins: 2

Table 20. Example: Port requirement calculation
NetVault Backup machine	Port type	Requirement	Total ports	Example port range
Server (with locally attached storage device)	Connect ports for inter‑machine connection setup	Minimum two ports per client	24	50300-50323
	Connect ports for NetVault Backup message channels	Minimum three ports per client	40	50200-50239
	Listen ports for devices	Minimum two ports per drive	12	50100-50111
Client	Connect ports for inter‑machine connection setup	Minimum two ports per client (These ports can be the same as the ports specified on the server side.)	24	50300-50323
	Listen ports for NetVault Backup message channels	Minimum three ports per client	40	50500-50539
	Connect ports for devices	Minimum two ports per drive	12	50400-50411

The following table illustrates the firewall filtering rules for this system.

Table 21. Example: Firewall filtering rules
From	To	TCP/UDP	Source port	Destination port
Server	Client	TCP	50300-50323	20031
Client	Server	TCP	50300-50323	20031
Server	Client	TCP	50200-50237	50500-50537
Client	Server	TCP	50500-50537	50200-50237
Server	Client	UDP	20031	20031
Client	Server	UDP	20031	20031
Server	Client	TCP	50100-50111	50400-50411
Client	Server	TCP	50400-50411	50100-50111

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NetVault 12.4 - Administration Guide for Managed Service Providers

Adding multiple clients

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