CLI (Command Line Interface)

IGMP Query Commands (Layer 2 - Cont.)

Command

Function

 

 

ip igmp snooping query-count

Syntax:

This command configures the query

ip igmp snooping query-count count

count.

no ip igmp snooping query-count

• count - The maximum number of queries issued for which there has

Use the no form to restore the

been no response before the switch takes action to drop a client from

default.

the multicast group. (Range: 2-10)

 

 

Default Setting: 2 times

 

Command Mode: Global Configuration

 

Command Usage: The query count defines how long the querier waits

 

for a response from a multicast client before taking action. If a querier

 

has sent a number of queries defined by this command, but a client has

 

not responded, a countdown timer is started using the time defined by ip

 

igmp snooping query-max- response-time. If the countdown finishes,

 

and the client still has not responded, then that client is considered to

 

have left the multicast group.

 

Example: The following shows how to configure the query count to 10:

 

Console(config)#ip igmp snooping query-count 10

 

Console(config)#

 

 

ip igmp snooping query-interval

Syntax:

This command configures the query

ip igmp snooping query-interval seconds

interval.

no ip igmp snooping query-interval

• seconds - The frequency at which the switch sends IGMP host-query

Use the no form to restore the

messages. (Range: 60-125)

default.

Default Setting: 125 seconds

 

 

Command Mode: Global Configuration

 

Example: The following shows how to configure the query interval to

 

100 seconds:

 

Console(config)#ip igmp snooping query-interval 100

 

Console(config)#

 

 

ip igmp snooping query-max-

Syntax:

response-time

ip igmp snooping query-max-response-time seconds

This command configures the query

no ip igmp snooping query-max-response-time

• seconds - The report delay advertised in IGMP queries. (Range: 5-25)

report delay.

Default Setting: 10 seconds

Use the no form to restore the

default.

Command Mode: Global Configuration

 

Command Usage: The switch must be using IGMPv2 for this command

 

to take effect.

 

This command defines the time after a query, during which a response

 

is expected from a multicast client. If a querier has sent a number of

 

queries defined by the ip igmp snooping query-count, but a client has

 

not responded, a countdown timer is started using an initial value set by

 

this command. If the countdown finishes, and the client still has not

 

responded, then that client is considered to have left the multicast

 

group.

 

Example: The following shows how to configure the maximum

 

response time to 20 seconds:

 

Console(config)#ip igmp snooping query-max-response-time 20

 

Console(config)#

 

 

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AMX NXA-ENET24 manual Igmp Query Commands Layer 2, Ip igmp snooping query-interval Syntax

NXA-ENET24 specifications

The AMX NXA-ENET24 is a versatile and powerful networked control interface designed to meet the growing demands of modern AV systems. This network switch offers an exceptional combination of reliability, performance, and scalability, making it an ideal choice for professional environments such as conference rooms, educational facilities, and control rooms.

One of the key features of the NXA-ENET24 is its 24-port configuration, allowing for extensive connectivity options. Each port supports 10/100/1000 Mbps speeds, ensuring that high bandwidth applications are handled with ease. Additionally, the switch incorporates advanced auto-negotiation technology, which automatically configures the optimal speed and duplex mode for connected devices. This ensures seamless connectivity and minimizes the risk of network disruptions.

The NXA-ENET24 is designed with advanced management capabilities, including support for VLANs, which helps to segment network traffic for enhanced security and performance. Network administrators can easily create virtual local area networks to optimize traffic flow and reduce congestion. This feature is particularly beneficial in environments where multiple AV systems operate concurrently.

Another significant characteristic of the NXA-ENET24 is its support for Power over Ethernet, or PoE. This feature enables the switch to deliver electrical power alongside data through the network cables. As a result, devices such as IP cameras, VoIP phones, and wireless access points can be powered directly from the switch, simplifying deployment and reducing the need for additional power sources.

Monitoring and management of the switch are made easier through a user-friendly interface. The NXA-ENET24 supports SNMP for network management, allowing users to monitor performance metrics, configure settings, and receive alerts in case of issues. This level of oversight is crucial for maintaining the stability of AV systems in mission-critical applications.

Durability is another hallmark of the NXA-ENET24 design. The switch features a robust chassis that is engineered to withstand the rigors of professional use. With cooling mechanisms in place and a fanless design, the NXA-ENET24 operates quietly and efficiently, making it suitable for environments where noise is a concern.

In conclusion, the AMX NXA-ENET24 is a powerful, reliable, and feature-rich network switch that effectively supports modern AV applications. With its extensive connectivity options, advanced management capabilities, PoE support, and durable design, it is an excellent choice for integrators and organizations looking to optimize their network infrastructure.