- 77 -
None
Command Mode
Global Config

7.2.4 Double VLAN commands

7.2.4.1 show dvlan-tunnel/ dot1q-tunnel

This command is used without the optional param eters to display all interfaces enabled for Double VLAN
Tunneling. Use the optional parameters to display detailed information about Do uble VLAN Tunneling for
the specified interface or all interfaces.
Syntax
show {dot1q-tunnel|dvlan-tunnel} [interface {<slot/port>|all}]
Default Setting
None
Command Mode
Privileged Exec
Display Message
Interfaces Enabled for DVLAN Tunneling: Valid interface(s) support(s) DVLA N Tunneling.
When using ‘show {dot1q-tunnel|dvlan-tunnel} interface’:
Interface: Valid slot and port number separated by forward slashes.
Mode: This field specifie s the administrative mode through which Double VLAN Tunneling can be
enabled or disabled. The d efault value for this field is disabled.
EtherType This field represent s a 2-byte hex EtherT ype to be use d as the first 16 bits of the DVLAN
tunnel. There are three different EtherType tags. The first is 80 2.1Q, which represents the com monly
used value of 0x8100. The second is vMAN, which represents the commonly used value of 0x88A8. If
EtherType is not one of these two values, then it is a custom tunnel value, representinga ny value in
the range of 0 to 65535.

7.2.4.2 switchport dvlan-tunnel/ dot1q-tunnel ethertype

This command configure s the ether-type for specific interface. The ether-type may have the values of
802.1Q, vMAN, or custom. If the ether-type has a valu e of custom, the optional value of the custom ether
type must be set to a value from 0 to 65535.
Syntax
switchport {dvlan-tunnel | dot1q-tunnel } ethertype {802.1Q|custom <0-65535>|vman}