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7 switchport trunk native vlan, 8 vlan ingress disable – Accton Technology ES4710BD User Manual

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ES4710BD 10 Slots L2/L3/L4 Chassis Switch

Command: switchport trunk allowed vlan {<vlan-list>|all}

no switchport trunk allowed vlan

Function: Sets trunk port to allow VLAN traffic; the “no switchport trunk allowed vlan

command restores the default setting.

Parameters: <vlan-list> is the list of VLANs allowed to pass through in the specified Trunk port;

keyword “all” allows all VLAN traffic on the Trunk port.

Command mode: Interface Mode

Default: Default is Trunk port allowing all VLAN traffic

Usage Guide: The user can use this command to allow VLAN traffic to pass though the trunk port;

traffic of VLANs not included are prohibited.

Example: Setting the Trunk port to allow traffic of VLAN1, 3, 5-20.

Switch(Config)#interface ethernet 1/5

Switch(Config-ethernet1/5)#switchport mode trunk

Switch(Config-ethernet1/5)#switchport trunk allowed vlan 1;3;5-20

Switch(Config-ethernet1/5)#exit

9.2.2.7 switchport trunk native vlan

Command: switchport trunk native vlan <vlan-id>

no switchport trunk native vlan

Function: Sets the PVID for Trunk port; the “no switchport trunk native vlan” command restores

the default setting.

Parameters: <vlan-id> is the PVID for Trunk port.

Command mode: Interface Mode

Default: The default PVID of Trunk port is 1.

Usage Guide: PVID concept is defined in IEEE 802.1Q. PVID of Trunk ports are used to tag

untagged frames. When a untagged frame enters a Trunk port, the port will tag the untagged frame

with the native PVID set with this command for VLAN forwarding.

Example: Setting the native vlan for a Trunk port to 100.

Switch(Config)#interface ethernet 1/5

Switch(Config-ethernet1/5)#switchport mode trunk

Switch(Config-ethernet1/5)#switchport trunk native vlan 100

Switch(Config-ethernet1/5)#exit

9.2.2.8 vlan ingress disable

Command: vlan ingress disable

no vlan ingress disable

Function: Disables the VLAN ingress rule for a port; the “no vlan ingress disable” command

enables the ingress rule.