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Syntax
Description
Options
Required Privilege Level
Output Fields
Sample Output
Release Information

show amt tunnel

Syntax

Description

Display information about the Automatic Multicast Tunneling (AMT) dynamic tunnels.

Options

none	Display summary information about all AMT protocol instances.
brief \| detail	(Optional) Display the specified level of detail.
gateway-address `gateway-ip-address` port `port-number`	(Optional) Display information for the specified AMT gateway only. If no port is specified, display information for all AMT gateways with the given IP address.
instance `instance-name`	(Optional) Display information for the specified instance only.
logical-system (all \| `logical-system-name`)	(Optional) Perform this operation on all logical systems or on a particular logical system.
tunnel-interface `interface-name`	(Optional) Display information for the specified AMT tunnel interface only.

Required Privilege Level

view

Output Fields

Table 1 describes the output fields for the show amt tunnel command. Output fields are listed in the approximate order in which they appear.

Table 1: show amt tunnel Output Fields
Field Name	Field Description	Level of Output
AMT gateway address	Address of the AMT gateway that is being connected by the AMT tunnel.	All levels
port	Client port used by the AMT tunnel.	All levels
AMT tunnel interface	Dynamically created AMT logical interfaces used by the AMT tunnel in the format ud-FPC/PIC/Port.unit.	All levels
AMT tunnel state	State of the AMT tunnel. The state is normally Active. Active—The tunnel is active. Pending—The tunnel creation is pending. This is a transient state. Down—The tunnel is in the down state. Graceful restart pending—Graceful restart is in progress. Reviving—The routing protocol daemon or Routing Engine was restarted (not gracefully). The tunnel remains in the reviving state until the AMT gateway sends a control message. When the message is received the tunnel is moved to the Active state. If no message is received before the AMT tunnel inactivity timer expires, the tunnel is deleted.	All levels
AMT tunnel inactivity timeout	Number of seconds since the most recent control message was received from an AMT gateway. If no message is received before the AMT tunnel inactivity timer expires, the tunnel is deleted.	All levels
Number of groups	Number of multicast groups using the tunnel.	All levels
Group	Multicast group address or addresses using the tunnel.	detail
Include Source	Multicast source address for each IGMPv3 group using the tunnel.	detail
AMT message count	Statistics for AMT messages: AMT Request—Number of AMT relay tunnel request messages received. AMT membership update—Number of AMT membership update messages received.	All levels

Sample Output

show amt tunnel
show amt tunnel detail
show amt tunnel tunnel-interface
show amt tunnel gateway-address
show amt tunnel gateway-address detail

show amt tunnel

show amt tunnel detail

show amt tunnel tunnel-interface

show amt tunnel gateway-address

show amt tunnel gateway-address detail

Release Information

Command introduced in Junos OS Release 10.2.