Installing Modules and Establishing Initial Management Access

Installing a Backup MSM

If you install a backup MSM, use the synchronize command to replicate all saved images and configurations from the primary MSM to the backup MSM.

You are not prompted to synchronize the images and the configurations from the primary to the backup. If not synchronized, the backup uses its image and the primary configuration. This image/ configuration mismatch will likely cause the switch to operate differently after failover.

CAUTION

Depending on the size and complexity of your network, you should install and configure a backup MSM when network disruption will be minimal. You may need to reboot your switch after you use the synchronize command.

Verifying the Module Installation

After you install a module, verify that it is working correctly by checking the LEDs on the front panel of the module. Table 18 shows normal LED operation for correctly installed MSMs and I/O modules.

Use the command line interface (CLI) show slot <slot number> command to display slot-specific information about the newly installed module.

Table 18: Module LED Activity for Normal Operation

 

MSM

I/O Module

 

 

 

 

LED

State/Meaning

LED

State/Meaning

 

 

 

 

SYS

Green blinking

STATUS

Green blinking

MSTR

Green: MSM is primary

DIAG

Off

 

Amber: MSM is backup

 

 

ENV

Green

Port status (per port)

Green

 

 

 

Amber blinking

Link/Activity

Green: Link is up.

 

 

 

Amber: Packet activity is occurring.

 

 

 

 

 

 

For more information about LED activity, see the module chapter for each switch series.

Displaying Slot Status Information

Assuming the module has no problems, the command show slot <slot> (where <slot> is the number of the slot where you installed the module) displays information about the module including: general information about the module (name, serial number, part number), the state of the module (power down, operational, mismatch between the slot configuration and the module in the slot), and the number of ports on the module.

For more information about slot status information, see the ExtremeXOS 12.1 Concepts Guide and the ExtremeXOS 12.1 Command Reference Guide.

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BlackDiamond 8800 Series Switches Hardware Installation Guide

 

 

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Extreme Networks 8800 Series manual Installing a Backup MSM, Verifying the Module Installation

8800 Series specifications

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