How To create the sub-interface on Huawei6720 ..!

 To create the sub-interface in the Huawei 6720 model, Make sure you have disabled the switch port command on the port. Because a subinterface can be created on the L3 port so you have to disable the switch port by using the command "port switch"

use the below command to disable the switch port.

#

interface XGigabitEthernet0/0/4

 undo portswitch

#

Now let's verify it .

<Jumtara>display interface XGigabitEthernet 0/0/4

XGigabitEthernet0/0/4 current state : DOWN

Line protocol current state : DOWN

Description:

Route Port,The Maximum Frame Length is 9216

Internet protocol processing : disabled

IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 00c4-06c0-7395

Last physical up time   : 2024-04-29 12:26:49

Last physical down time : 2024-04-29 12:44:00

Current system time: 2024-04-29 13:18:08

Port Mode: COMMON FIBER, Transceiver: 1000_BASE_LX_SFP

Speed : 1000,   Loopback: NONE

Duplex: FULL,   Negotiation: ENABLE

Mdi   : -,      Flow-control: DISABLE

Now let's create the subinterface.

[Jumtara]interface XGigabitEthernet 0/0/4.393

[Jumtara-XGigabitEthernet0/0/4.393]