Stack

Procedure

1. Choose Configuration > Advanced Services > Stack in the navigation tree to open the Stack page.

2. Click the data line below Configure Stack Members to configure Master switch, Standby switch, or Slave switch. Set parameters and click .
   NOTE:

   Standby switch or Slave switch is displayed only when the switch joins a stack.

3. Click Master switch, Standby switch, or Slave switch below Configure Stack Members to open the Configure Stack Ports (Slot ID) page, select the appropriate data line, and Manage appears.

4. Click Manage. In the displayed page, select stack member ports and click .
   NOTE:

   To withdraw a stack member port, click Manage and deselect this port on the displayed page, and click .

5. Specify the MAD mode under MAD Configuration to configure multi-active detection (MAD).

   Table 1 describes the parameters on the page.

   Table 1 Configuring MAD

   Configuration Item	Description
   MAD mode	Specifies a MAD mode. Direct mode: MAD in direct mode Relay mode: MAD in relay mode No MAD
   Selected ports	Configures the ports to be detected. Selected ports is configurable only when the MAD mode is set to Direct mode. CSS/Stack Eth-Trunk is configurable only when the MAD mode is set to Relay mode.
   CSS/Stack Eth-Trunk
   Reserved port	Specifies a reserved port, which is not disabled during subsequent MAD. This parameter is configurable only when the MAD mode is set to Direct mode or Relay mode.
   MAD recovery	Specifies whether to recover all the disabled ports of the device that enters the recovery state after stack splits. ON: Recover all the disabled ports of the device that enters the recovery state after stack splits. OFF: Recover no disabled ports of the device that enters the recovery state after stack splits. This parameter is configurable only when the MAD mode is set to Direct mode or Relay mode.

6. Click Apply. In the dialog box that is displayed, click OK. Check stack information below Display Information.