Dell EMC recommended switch configuration
8 Huawei CloudEngine 6850 Switch Configuration Guide for Dell EMC SC Series SANs | SCG3464
2.7 Disable link flapping protection
The Huawei CE6850 switch has an inbuilt link flap protection, which by default turns off an interface if five link
flapping events occur within an interval of ten seconds. The default values might cause interfaces on certain
edge-devices to be turned off. To avoid this, change the settings for link flapping protection or disable it
completely. Refer support.huawei.com for further information.
To disable link flapping protection, set the threshold value to 0.
[*HUAWEI] interface range 10GE 1/0/1 to 10GE 1/0/48
[*HUAWEI-port-group] port link-flap threshold 0
[*HUAWEI-port-group] quit
2.8 Save configuration
[*HUAWEI] commit
[~HUAWEI] quit
<HUAWEI> save
Warning: The current configuration will be written to the device. Continue?
[Y/N]: y
Info: Please input the file name(*.cfg, *.zip, *.dat)[vrpcfg.zip]: <ENTER>
Now saving the current configuration to the slot 1 ..
Info: Save the configuration successfully.
<HUAWEI>
2.9 Configure breakout ports
Perform this step if using the QSFP 40GbE ports as 4 x 10GbE breakout ports. The following command splits
the 40GbE port 1/0/3. The same action can be performed for each of the 40GbE QSFP ports on the switch.
<HUAWEI> system-view
Enter system view, return user view with return command.
[~HUAWEI] port split dimension interface 40GE 1/0/3 split-type 4*10GE
Warning: This operation will delete current port(s) and create new port(s). New
port(s) will be offline before the board of slot 1 is reset. Continue? [Y/N]: y
Info: Operating, please wait for a moment...done.
[*HUAWEI] commit
[~HUAWEI] quit
<HUAWEI> reboot
Warning: The current configuration will be saved to the next startup saved-
configuration file. Continue? [Y/N]: Y
Warning: The system will reboot. Continue? [Y/N]: Y
Repeat the steps in section 2.9 to configure the breakout ports as needed. Reboot the switch to bring the
breakout ports into effect. The breakout ports will be listed as 40GE 1/0/3:1 to 40GE 1/0/3:4. To configure
these ports, repeat the steps in sections 2.6 to 2.8.
2.10 Configure additional switch
Repeat the commands from sections 2.1 through 2.9 to configure the second switch.
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