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DXS-3600 Series 10GbE Layer 2/3 Switch CLI Reference Guide
646
VLAN Tunnel Commands
71-1 switchport mode dot1q-tunnel
This command is used to specify the port as a dot1q-tunnel port. Use the no command to reset the VLAN mode to
default setting.
switchport mode dot1q-tunnel
no switchport mode
Parameters
None.
Default
By default, the switch port is operated as an access port.
Command Mode
Interface Configuration Mode.
Command Default Level
Level: 12
Usage Guideline
This command is available for physical ports or link aggregation groups that are no
trunk mode.
An 802.1q tunnel port behaves as an UNI port on the provider edge bridge. Setting
an interface to 802.1q tunnel mode will lead to the GVRP disable on it. A service
VLAN will be added for packets which ingress from the 802.1q tunnel port. The
service VLAN assignment method can be flow-based, C-VLAN based or port-based.
If the content (include DA, SA, DIP, SIP etc) of the incoming packet matches a flow-
based VLAN mapping rule that is configured on this 802.1q tunnel port, the service
VLAN will be assigned according the flow-based VLAN mapping rule.
If the C-VLAN tag of the incoming packet matches a C-VLAN based VLAN mapping
rule that is configured on this port, the service VLAN will be assigned according the
C-VLAN based VLAN mapping rule.
The service VLAN will be assigned according to the port-based VLAN of this port. If
the inner-priority-trust is enabled on this port, the L2 priority in the C-VLAN tag will be
copied to the service VLAN. Otherwise, the priority in the service VLAN tag is the
default priority of this port.
When the service VLAN tagged packets are transmitted out from the 802.1q tunnel
port, the service VLAN tag will be stripped.
If you configured layer 2 protocol tunneling on the 802.1q tunnel port, the layer 2
protocol packets will be tunneled to remote PE. Otherwise, the layer 2 protocol
packets received on this port will be discarded.
Layer 3 routing protocols cannot be running on the 802.1q tunnel port. Other layer 3
application packets maybe tunneled to remote PE.
Management of a Provider Edge Bridge is directly under the control of the service
provider. Provider network customers shall not have access to managed objects
related to elements of Provider Bridges within the provider network [IEEE 802.1ad --
16.6].
Example
This example shows how to set an interface port 1 as a dot1q tunnel port.
DXS-3600-32S#configure terminal
DXS-3600-32S(config)#interface tenGigabitEthernet 1/0/1
DXS-3600-32S(config-if)#switchport mode dot1q-tunnel
DXS-3600-32S(config-if)#
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