KSwitch D10 MMT Managed Time Sensitive Ethernet Switch - Preliminary User Guide, Rev. 0.99
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9.7.2.3.
Switchport Trunk VLAN Tag Native
Description- Port in Trunk mode may control the tagging of frames on egress. Options are default Untag Port VLAN
(frames classified to the Port VLAN are transmitted untagged and all other frames are transmitted with the
relevant tag) and Tag all (all frames transmitted with a tag).
switchport trunk vlan tag native
no switchport trunk vlan tag native
Parameter
Description
Parameter
N.A
N.A
Default
Frames classified to the Port VLAN (Native VLAN) do not get tagged on egress.
Mode
Port List Interface Mode
Usage
Set the trunk port egress tagging to all. Use the no version of the command to revert to default
(untag native VLAN)
Examples
Example#1 (configure port 3 as trunk with PVID 4 and set egress tagging to tag all)
# configure terminal
(config)# interface GigabitEthernet 1/3
(config-if)# switchport mode trunk
(config-if)# switchport trunk native vlan 4
(config-if)# switchport trunk vlan tag native
9.7.2.4.
Switchport Trunk Allowed VLAN
Description- Ports in Trunk mode may control which VLANs they are allowed to become members of. By default,
Trunk port will become a member of all VLANs (1-4095):
switchport trunk allowed vlan
{ all | none | [ add | remove | except ] <vlan_list> }
no switchport trunk allowed vlan
Parameter
Description
Parameter
all
All VLANs are allowed (1-4095)
none
Port will not become member of any VLAN
add
Add VLANs to the current list
remove
Remove VLANs from the current list
except
All VLANs except the following (VLAN ID or list)
<vlan_list>
VLAN IDs of the allowed VLANs. Individual elements are separated
by commas and ranges are specified with a dash.
Default
All VLANs are allowed (1-4095)
Mode
Port List Interface Mode
Usage
Configure allowed VLANs for a trunk port. Use the no version of the command to revert to
default.
Examples
Example#1 (configure port 3 as trunk and exclude VLAN 10 and 30,31,32 from allowed VLANs)
# configure terminal
(config)# interface GigabitEthernet 1/3
(config-if)# switchport mode trunk
(config-if)# switchport trunk allowed vlan except 10,30-32