Displays system tunnel information for a specified tunnel or for all tunnels.
| tunnel_name | Specifies an IPv6-in-IPv4 or IPv6-to-IPv4 tunnel name. | 
N/A.
The tunnel keyword is optional only when you specify a valid IPv6-in-IPv4 or IPv6-to-IPv4 tunnel name. The Total tunnels count in the display represents all tunnels on the switch.
The following example displays system tunnel information for all tunnels:
Switch.1 # show tunnel
Name                             Type                                    Flags
tunfour                          6in4 10.20.30.40 => 10.10.10.10         U
mytun                            GRE 1.1.1.2 => 1.1.1.1                  Utunfive2                         6to4 10.20.30.40 => *.*.*.*             D
Total tunnels: 3
Flags: (U) Up / (D) Down / (a) Administratively Disabled
       (S) System Disabled (incompatible hardware)
      The following example displays system tunnel information for tunnel "tunfour":
Switch.3 # show "tunfour" Name Type Flags tunfour 6in4 10.20.30.40 => 10.10.10.10 U Total tunnels: 2 Flags: (U) Up / (D) Down
This command was first available in ExtremeXOS 11.2.
This command is available on the platforms listed for the IPv6 interworking feature in the ExtremeXOS 30.7 Feature License Requirements document.