Nortel Networks 4050 Manuel D’Utilisation

Chapter 15 Upgrading or reinstalling the software 759

Nortel Secure Network Access Switch 4050 User Guide

The set of installed Nortel SNAS 4050 devices you are running in a cluster 
cooperate to give you a single system view. Thus, to perform an upgrade, you only 
need to connect to the MIP of the cluster. The upgrade will automatically be 
executed on all the Nortel SNAS 4050 devices in operation at the time of the 
upgrade. All configuration data is retained.

You can access the MIP by a Telnet or an SSH connection. 

When you have gained access to the Nortel SNAS 4050, use one of the following 
methods to download the software upgrade package:

•

•

To download the software upgrade package using the CLI, perform the following 
steps:

Enter the following command at the Main menu prompt. Then select whether 
to download the software upgrade package from a TFTP/FTP/SCP/SFTP 
server.

For some TFTP servers, files larger than 16 MB may cause the upgrade to fail.

Enter the host name or IP address of the server.

Enter the file name of the software upgrade package to download.

Note: Telnet and SSH connections to the Nortel SNAS 4050 are 
disabled by default, after the initial setup has been performed. For more 
information about enabling Telnet and SSH connections, see 

.

>> Main# boot/software/download
Select protocol (tftp/ftp/scp/sftp) [tftp]:ftp

Enter hostname or IP address of server: <server host name or IP>