Chapter 5: Switching Commands 371
show dot1q-tunnel Use this command without the optional parameters to display all interfaces
enabled for Double VLAN Tunneling. Use the optional parameters to display
detailed information about Double VLAN Tunneling for the specified interface
or all interfaces.
show dvlan-tunnel Use this command without the optional parameters to display all interfaces
enabled for Double VLAN Tunneling. Use the optional parameters to display
detailed information about Double VLAN Tunneling for the specified interface
or all interfaces.
Format
show dot1q-tunnel [interface {slot/port | all}]
Mode ◆ Privileged EXEC
◆ User EXEC
Term Definition
Interface slot/port
Mode The administrative mode through which Double
VLAN Tunneling can be enabled or disabled. The
default value for this field is disabled.
EtherType A 2-byte hex EtherType to be used as the first 16 bits
of the DVLAN tunnel. There are three different
EtherType tags. The first is 802.1Q, which
represents the commonly 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,
representing any value in the range of 1 to 65535.
Format
show dvlan-tunnel [interface {slot/port|all|lag lag-
intf-num}]
Mode ◆ Privileged EXEC
◆ User EXEC