CLI (Command Line Interface)

Spanning Tree Commands (Cont.)

Command

Function

 

 

spanning-tree cost

Syntax:

This command configures the

spanning-tree cost cost

spanning tree path cost for the

no spanning-tree cost

• cost - The path cost for the port. (Range: 1-200,000,000))

specified interface.

The recommended range is:

Use the no form to restore the

Ethernet: 200,000-20,000,000

default.

 

Fast Ethernet: 20,000-2,000,000

 

Gigabit Ethernet: 2,000-200,000

 

Default Settings:

 

• Ethernet – half duplex: 2,000,000; full duplex: 1,000,000; trunk: 500,000

 

• Fast Ethernet – half duplex: 200,000; full duplex: 100,000; trunk: 50,000

 

• Gigabit Ethernet – full duplex: 10,000; trunk: 5,000

 

Command Mode: Interface Configuration (Ethernet, Port Channel)

 

Command Usage: This command is used by the Spanning Tree Algorithm

 

to determine the best path between devices. Therefore, lower values

 

should be assigned to ports attached to faster media, and higher values

 

assigned to ports with slower media.

 

Note: Path cost takes precedence over port priority.

 

When the spanning-tree pathcost method (page 4-141) is set to short, the

 

maximum value for path cost is 65,535.

 

Example:

 

Console(config)#interface ethernet 1/5

 

Console(config-if)#spanning-tree cost 5000

 

Console(config-if)#

 

 

spanning-tree port-priority

Syntax:

This command configures the

spanning-tree port-priority priority

priority for the specified

no spanning-tree port-priority

• priority - The priority for a port. (Range: 0-240, in steps of 16)

interface.

Default Setting: 128

Use the no form to restore the

default.

Command Mode: Interface Configuration (Ethernet, Port Channel)

 

Command Usage: This command defines the priority for the use of a port

 

in the Spanning Tree Algorithm. If the path cost for all ports on a switch are

 

the same, the port with the highest priority (that is, lowest value) will be con-

 

figured as an active link in the spanning tree.

 

Where more than one port is assigned the highest priority, the port with the

 

lowest numeric identifier will be enabled.

 

Example:

 

Console(config)#interface ethernet 1/5

 

Console(config-if)#spanning-tree port-priority 128

 

 

NXA-ENET24 - Software Management Guide

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AMX NXA-ENET24 manual Command Function Spanning-tree cost Syntax, Spanning-tree port-priority Syntax
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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.
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