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Persistent connections are permanent connections made between the vSLM 2 software and an Ethernet device (e.g., an SLC or RPM/SLP device) that include connection capability for up to five simultaneous users.

Note: The number of concurrent users may be increased up to a maximum of 25 users. Please contact Lantronix Sales at 800-422-7055 for additional information.

Some users may have read-only access and may only view all traffic on the connection. Other users may have read/write access and can type into the connection from the vSLM 2 side. Should a persistent connection fail (e.g., inadvertently closed by user or a network problem), the vSLM 2 software will detect this condition and attempt to reestablish the connection. All traffic on the connection may be logged to the vSLM 2 software.

To list existing persistent connections to a device:

1. On a specific device page, click the PerCons tab. A list of existing persistent connections display.

Note: You may view all Persistent Connections to which you have rights by performing a search.

Figure 9-17 Device Page - PerCons Search

To view a specific persistent connection to a device:

1. On a specific device page, click the PerCons tab (see Figure 9-17).

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Figure 9-18 Device Page - Persistent Connection

To add a persistent connection to a device:

1. On the PerCons list page, click the Add New Persistent Connection button. The Add Persistent Connection page displays.

Figure 9-19 Add Persistent Connection

9: Ethernet Device Management

Table 9-20 Add Persistent Connection - Configure Tab

3. Click the Submit button. A confirmation message displays, and the persistent connection displays below the list of the Ethernet device's ports on the menu tree.

Persistent

Connection Setting

Description

Name (required) Name that identifies the persistent connection.

Protocol From the drop-down list, select the protocol used to make the persistent connection. The options available depend on the type of Ethernet device.

 Secure Channel: SLC, SLB, Spider, and SLM units only

 SSH

 Telnet

 TN3270: A special Telnet program that connects to mainframes. It is only available if the Ethernet Device is of type Non-Lantronix. No Lantronix devices use this protocol.

Logging Enabled Select to enable the vSLM 2 software to log the persistent connection.

Connection Enabled Clear this box to define the persistent connection, but not to initiate it. Later, when you want to activate the connection, return and select this box.

Login If specified, this is the account the vSLM 2 secure management software will use for logins when establishing the persistent connection. If you select the Use Parent Login box, this Login field is disabled. If this field is left empty and the Use Parent Login box is not checked, the user will be prompted for the login name when the connection is first established.

Prompt Prompt that displays on the CLI when you log into the connection.

Escape Sequence A series of one to ten characters that cause the user to exit the connection. A suggested value is Esc+C (escape key followed by an uppercase "C"), specified as \x1BC (default).

Status (view only) Indicates whether the connection is active.

Parent Ethernet Device (view only)

Name of the Ethernet device to which the persistent connection is made.

Last Established (view only)

Indicates when the persistent connection was made.

Managed Device Available

If the parent Ethernet device of this persistent connection is being managed as part of a managed device, then users with access to that managed device will also be able to connect into this persistent connection.

Use Parent Login If selected, you can log in using the userid and password for the Ethernet device. The Login and Password fields become inactive.

Password Password for logging into the Ethernet device. (Inactive if you select Use Parent Login.)

Application When the connection is made, the application will start automatically and keep running as long as the connection is active.

An example is a program that monitors a system function such as throughput and sends unusual values to the screen. The application is available to anyone who attaches to the persistent connection and can be logged.

Reconnect Delay (min)

If the connection drops by mistake, the number of minutes to wait between attempts to reconnect.

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To update a persistent connection to a device:

1. On the PersCon tab, click the Edit icon to the left of the desired connection, OR

On the menu tree, click the name of the desired connection (below the list of ports for a device). The PersCon page displays.

Figure 9-21 Edit Persistent Connection

2. Add or update the information as desired. 3. Click the Submit button.

To delete a persistent connection to a device:

1. On the PersCon tab, click the Edit icon the left of the desired connection, OR

On the menu tree, click the name of the desired connection (at the end of the list of ports for a device). The PersCon page displays.

9: Ethernet Device Management

Polling

Only administrators with Allow Device Management set on their account page can access the global polling page. Any administrator or Ethernet device user with rights to an Ethernet device can change the "poll flag" for the device. This poll flag enables and disables polling on a device-by- device basis. The poll flag of a device is enabled by default, but if not selected, even if polling is turned on, that device will not be polled.

To poll Ethernet devices on the network:

1. On the menu, click Ethernet Devices. The All Ethernet Devices page opens. 2. Click the Polling tab. The following page opens.

Figure 9-22 All Ethernet Devices - Polling Tab

3. Enter the following information:

Table 9-23 Poll Settings

Ethernet Device Setting

Description

Periodically poll Select to have the vSLM 2 software poll Ethernet devices on the network at regular intervals. Disabled by default.

If you select this option, then any Ethernet device that has its "poll" flag set but fails to respond to Auto Connection Fail Count consecutive polling attempts displays with a vertical red stripe in its icon on the menu tree.

Note:You can disable polling on a per device basis by clearing the poll flag on an individual device's page.

Poll interval (minutes)

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4. To save, click the Update button. A confirmation message displays. Auto Connection

Fail Count

The following conditions are required for the vSLM 2 secure management software to automatically connect to the SLC console manager through a modem:

 Ethernet device polling is enabled.

 The SLC device has polling enabled for itself.

 The SLC console manager has a modem connection and phone number configured.

 The SLC module has reached the maximum polling failure count (see below).

 There is an available modem on the vSLM 2 software.

Enter the number of consecutive times the system must fail to reach the SLC console manager before the vSLM 2 software will connect through a modem. Enter 0 (zero) to disable this feature.

Once the connection is established, it will remain connected until after either a successful Ethernet poll or a manual disconnect of the modem by an vSLM 2 user.

Last poll (view only) Time the last poll was performed.

Ethernet Device Setting

9: Ethernet Device Management