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show mld interface

date_range 17-Sep-24

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Syntax

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show mld interface 
<brief | detail>
<interface-name>
<logical-system (all | logical-system-name)>

show mld interface (User Plane output for ACX7100)

Displays the following output in the user-plane for customer premise equipment (CPE).

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user@UP1> show mld interface
Interface: pp0.3221225483
    Querier: fe80::5668:adff:fec0:2ec4
    State:         Up Timeout:    1000 Version:  2 Groups:      2
    Group threshold:   0
    Group log-interval:  10000
    Immediate leave: On
    Promiscuous mode: Off
    Passive: Off
Interface: demux0.2147483653
    Querier: fe80::5668:adff:fec0:2ec4
    State:         Up Timeout:    None Version:  2 Groups:      2
    Immediate leave: On
    Promiscuous mode: Off
    Passive: Off

Configured Parameters:
MLD Query Interval: 125.0
MLD Query Response Interval: 10.0
MLD Last Member Query Interval: 1.0
MLD Robustness Count: 2

Derived Parameters:
MLD Membership Timeout: 260.0
MLD Other Querier Present Timeout: 255.0

Description

Display information about multipoint Listener Discovery (MLD)-enabled interfaces.

(ACX7100 Routers as CPE) Displays monitoring information for multicast interfaces on customer premises equipments (CPE) with user-plane configuration.

Options

none	Display standard information about all MLD-enabled interfaces.
brief \| detail	(Optional) Display the specified level of output.
`interface-name`	(Optional) Display information about the specified interface.
logical-system (all \| `logical-system-name`)	(Optional) Perform this operation on all logical systems or on a particular logical system.

Required Privilege Level

view

Output Fields

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

Table 1: show mld interface Output Fields
Field Name	Field Description	Level of Output
`Interface`	Name of the interface.	All levels
Querier	Address of the router that has been elected to send membership queries.	All levels
State	State of the interface: Up or Down.	All levels
SSM Map Policy	Name of the source-specific multicast (SSM) map policy that has been applied to the interface.	All levels
SSM Map Policy	Name of the source-specific multicast (SSM) map policy at the MLD interface.	All levels
Timeout	How long until the MLD querier is declared to be unreachable, in seconds.	All levels
Version	MLD version being used on the interface: 1 or 2.	All levels
Groups	Number of groups on the interface.	All levels
Passive	State of the passive mode option: On—Indicates that the router can run IGMP or MLD on the interface but not send or receive control traffic such as IGMP or MLD reports, queries, and leaves. Off—Indicates that the router can run IGMP or MLD on the interface and send or receive control traffic such as IGMP or MLD reports, queries, and leaves. The `passive` statement enables you to selectively activate up to two out of a possible three available query or control traffic options. When enabled, the following options appear after the on state declaration: send-general-query—The interface sends general queries. send-group-query—The interface sends group-specific and group-source-specific queries. allow-receive—The interface receives control traffic	All levels
OIF map	Name of the OIF map associated to the interface.	All levels
SSM map	Name of the source-specific multicast (SSM) map used on the interface, if configured.	All levels
Group limit	Maximum number of groups allowed on the interface. Any memberships requested after the limit is reached are rejected.	All levels
Group threshold	Configured threshold at which a warning message is generated. This threshold is based on a percentage of groups received on the interface. If the number of groups received reaches the configured threshold, the device generates a warning message.	All levels
Group log-interval	Time (in seconds) between consecutive log messages.	All levels
Immediate Leave	State of the immediate leave option: On—Indicates that the router removes a host from the multicast group as soon as the router receives a multicast listener done message from a host associated with the interface. Off—Indicates that after receiving a multicast listener done message, instead of removing a host from the multicast group immediately, the router sends a group query to determine if another receiver responds.	All levels
Distributed	State of MLD, which, by default, takes place on the Routing Engine for MX Series routers but can be distributed to the Packet Forwarding Engine to provide faster processing of join and leave events. On—distributed MLD is enabled.	All levels
Configured Parameters	Information configured by the user. MLD Query Interval (.1 secs)—Interval at which this router sends membership queries when it is the querier. MLD Query Response Interval (.1 secs)—Time that the router waits for a report in response to a general query. MLD Last Member Query Interval (.1 secs)—Time that the router waits for a report in response to a group-specific query. MLD Robustness Count—Number of times the router retries a query.	All levels
Derived Parameters	Derived information. MLD Membership Timeout (.1 secs)—Timeout period for group membership. If no report is received for these groups before the timeout expires, the group membership will be removed. MLD Other Querier Present Timeout (.1 secs)—Time that the router waits for the IGMP querier to send a query.	All levels

show mld interface

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user@host> show mld interface  
Interface: fe-0/0/0
    Querier: None
    State: Up         Timeout:       0    Version:  1    Groups:      0
    SSM Map Policy: ssm-policy-A
Interface: at-0/3/1.0
    Querier:  8038::c0a8:c345
    State: Up         Timeout:    None    Version:  1    Groups:      0
    SSM Map Policy: ssm-policy-B
Interface: fe-1/0/1.0
    Querier:  ::192.168.195.73
    State: Up         Timeout:    None    Version:  1    Groups:      3
    SSM Map Policy: ssm-policy-C
    SSM map: ipv6map1
Immediate Leave: On

Promiscuous Mode: Off
Passive: Off
Distributed: OnConfigured Parameters:

Configured Parameters:
MLD Query Interval (.1 secs): 1250
MLD Query Response Interval (.1 secs): 100
MLD Last Member Query Interval (.1 secs): 10
MLD Robustness Count: 2

Derived Parameters:
MLD Membership Timeout (.1secs): 2600
MLD Other Querier Present Timeout (.1 secs): 2550

show mld interface brief

The output for the show mld interface brief command is identical to that for the show mld interface command. For sample output, see show mld interface.

show mld interface detail

The output for the show mld interface detail command is identical to that for the show mld interface command. For sample output, see show mld interface.

show mld interface <interface-name>

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user@host# show mld interface ge-3/2/0.0
Interface: ge-3/2/0.0
  Querier: 203.0.113.111 
  State: Up Timeout:    None Version:  3 Groups:      1 
  Group limit: 8   
  Group threshold: 60
  Group log-interval: 10   
  Immediate leave:  Off 
  Promiscuous mode:  Off   Distributed: On

Release Information

Command introduced before Junos OS Release 7.4.

Command updated in Junos OS Release 24.4R1 to include multicast support monitoring for ACX7100 router interfaces.

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Junos CLI Reference

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show mld interface

Syntax

show mld interface (User Plane output for ACX7100)

Description

Options

Required Privilege Level

Output Fields

Sample Output

show mld interface

show mld interface brief

show mld interface detail

show mld interface <interface-name>

Release Information

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Junos CLI Reference

ON THIS PAGE

show mld interface

Syntax

show mld interface (User Plane output for ACX7100)

Description

Options

Required Privilege Level

Output Fields

Sample Output

show mld interface

show mld interface brief

show mld interface detail

show mld interface <interface-name>

Release Information

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