Technical Note: Modify Telnet and SSH port settings for device models

[cmaheu]

Description

By default, modeled devices are accessed via CLI using SSH port 22 and Telnet port 23.  Configure the appliance to use different ports for SSH and Telnet access. 

Scope
Version: 8.6.1 or greater
Solution

The are two methods of implementation:

• Global: Applies to all device models in Topology and persists through a product upgrade.  

CLI access is required for configuration.  Requires a system restart to apply changes.  Contact Support for assistance. 

Instructions

1.  Login to CLI and modify the following file:

/bsc/campusMgr/master_loader/.masterPropertyFile

Add the following content and save:

FILE_NAME=./properties_plugin/telnetServer.properties

{
com.bsc.plugin.telnet.TelnetServer.telnetPort=23
com.bsc.plugin.telnet.TelnetServer.sshPort=22
}

2.  Restart processes to apply changes.

shutdownCampusMgr

<wait 30 sec>

startupCampusMgr

• Per Model:  Applies to individual device models in Topology and persists through a product upgrade.  

CLI access is required for configuration.  Does not require a system restart to apply changes. Contact Support for assistance. 

Instructions
 

Login to CLI and run the following command:

Device -setAttr -ip <device IP> -name SSH_Port -value 4422

Does not require a system restart.