Huawei MA5608T main boards MCUD or MCUD1 work as active/standby mode by default, if change to load-sharing mode, both of the active and standby control boards can processing data, link-aggregation or protect-group can be configured in 2 boards. Then how to configure link-aggregation?

Huawei MA5608T

PN: 02355495

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Configure commands as below

huawei(config)#system ex-mode

{ mode<E><backup, load-sharing> }:load-sharing

Command:

 system ex-mode load-sharing                                           

Info: You are switching the system exchange mode toload-sharing.

Load-sharing mode can offer more bandwidth and more up ports.

You should backup the service configuration because mode switching will delete the data.

Are you sure?(y/n)[n]:y

Mode switching will result system rebooting.

Are you sure?(y/n)[n]:y

Because the switch-mode operation will clear the configuration, we should consider whether the device exist configurations or not before doing mode switching. Here are the 2 scenario change method:

1. New device delivery scenario

change the mode directly with the command:

huawei(config)#system ex-mode

{ mode<E><backup,load-sharing> }:load-sharing

Command:

 system ex-mode load-sharing                                           

Info: You are switching the system exchange mode to load-sharing.

Load-sharing mode can offer more bandwidth and more up ports.

You should backup the service configuration because mode switching will delete the data.

Are you sure?(y/n)[n]:y

Mode switching will result system rebooting.

Are you sure?(y/n)[n]:y

Note: Please execute the save command to save the configuration after the system is a reboot.

2. Live network existing configurations scenario

a. Login to the MA5608T device, save the MA5608T configuration file.

in config mode, execute the command:

huawei(config)#save

be sure save execute successfully

b. In config mode, execute the command:

huawei(config)#backup configuration ftp x.x.x.x old.cfg

be sure the configuration file backed up successfully, the file old. cfg can be found in the FTP or SFTP directory.

c. Modify the configuration file with a notepad. modify the system working mode:

before modify: system ex-mode backup

after modify: system ex-mode load-sharing

d. Load the modified configuration file and activate the configuration file with the command:

huawei (config)#load configuration ftp x.x.x.x new.txt

huawei (config)#active configuration system

active configuration system will reboot automatically and recover the configurations (will take a long time), and the system will reboot once again while processing the configuration recovery (switch to load-sharing mode).

e. After the mainboards status become normal, check if any configuration not recovered in diagnose mode query if any configuration active failed, command as below:

huawei(diagnose)#display unresumed-configuration active

f. Check the service if working well.

Note: R17 version or later step c, d can instead by below command:

huawei(config)#system ex-mode

{ load-sharing<K>|mode<E><backup,load-sharing> }:load-sharing

{ <cr>|active-configuration<K> }:active-configuration

Command:

system ex-mode load-sharing active-configuration

Info: You are switching the system exchange mode to load-sharing.

Load-sharing mode can offer more bandwidth and more up ports.

You should save the configuration file and backup the service configuration because mode switching will auto-active configuration file.

Are you sure?(y/n)[n]:y

Mode switching will result from system rebooting.

Are you sure?(y/n)[n]:y

Note: Please execute the save command to save the configuration after the system is a reboot

After the change, the system working mode to load-sharing mode can configure the link-aggregation or protect-group in the 2 main boards.

Summary and Suggestion

1. When the MA5608T in load-sharing mode, the last port GE3 cannot be used as an uplink port, it will be used for 2 main boards’ communication.

2. MA5603T/MA5600T can use this method support 2 main board provide uplink ports also but do not suggest, Changing to the load sharing mode will reduce the reliability of the equipment. any of the two main control boards damage may affect the service.

3. When the control boards are in the load-sharing mode, it is recommended not to redirect packets based on the basic ACL, advanced ACL, or link-layer ACL by using the traffic-redirect command. Otherwise, the packet that matches the ACL fails to learn the MAC address will be forwarded incorrectly.

4. Mode switching resets the system, clears configuration data (including saved configuration data), and interrupts the in-band network management channel. Therefore, you are advised to determine the working mode of control boards before site deployment and avoid switching the working mode afterward.