CLI (Command Line Interface)

DNS Commands (Cont.)

Command

Function

 

 

 

 

 

 

 

 

 

show dns cache

Command Mode: Privileged Exec

 

 

This command displays

Example:

 

 

 

 

 

entries in the DNS cache.

Console#show dns cache

 

 

 

 

NO

FLAG

TYPE

IP

TTL

DOMAIN

 

0

4

CNAME

10.2.44.96

893

pttch_pc.accton.com.tw

 

1

4

CNAME

10.2.44.3

898

ahten.accton.com.tw

 

2

4

CNAME

66.218.71.84

298

www.yahoo.akadns.net

 

3

4

CNAME

66.218.71.83

298

www.yahoo.akadns.net

 

4

4

CNAME

66.218.71.81

298

www.yahoo.akadns.net

 

5

4

CNAME

66.218.71.80

298

www.yahoo.akadns.net

 

6

4

CNAME

66.218.71.89

298

www.yahoo.akadns.net

 

7

4

CNAME

66.218.71.86

298

www.yahoo.akadns.net

 

8

4

ALIAS

POINTER TO:7

298

www.yahoo.com

 

Console#

 

 

 

 

 

NO: The entry number for each resource record.

FLAG: The flag is always “4” indicating a cache entry and therefore unreliable.

TYPE: This field includes CNAME which specifies the canonical or primary name for the owner, and ALIAS which specifies multiple domain names which are mapped to the same IP address as an existing entry.

IP: The IP address associated with this record.

TTL: The time to live reported by the name server.

DOMAIN: The domain name associated with this record.

clear dns cache

Command Mode: Privileged Exec

 

 

This command clears all

Example:

 

 

 

 

 

entries in the DNS cache.

Console#clear dns cache

 

 

 

 

Console#show dns cache

 

 

 

 

NO

FLAG

TYPE

IP

TTL

DOMAIN

 

Console#

 

 

 

 

 

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AMX NXA-ENET24 manual Command Function Show dns cache, Entries in the DNS cache, Clear dns cache

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.