Chapter 6 Troubleshooting

Troubleshooting Network Interfaces

The test trunk drop-insertprivileged EXEC command is used to enable or disable drop-insert mode on a T3 controller. When the system initially boots up, the drop-insert mode is disabled on all T3 controllers.

To drop a particular T1 line to the test port, follow these steps:

Step 1 Enable drop-insert mode by entering the test trunk drop-insert on privileged EXEC command as follows:

Router# test trunk drop-insert on t1port

Note The t1 port is the particular T1 line that you wish to drop. T1 port numbers range from 1 to 28.

Step 2 Disable drop-insert mode after testing the T1 lines. We recommend that you disable drop-insert mode to prevent accidental use of the push button on the CT3 board.

To disable drop-insert mode, enter the test trunk drop-insert off privileged EXEC command as follows:

Router> test trunk drop-insert off t1 port

Troubleshooting Network Interfaces

For information about isolating problems with the network connections to your universal gateway, refer to the publication Internetwork Troubleshooting Guide available on the web and on the Cisco Documentation CD-ROM that shipped with your universal gateway.

Getting Help

For information about technical support, onsite service, and exchange and repair services, refer to the “Obtaining Technical Assistance” section on page -xiiin the “Preface.”

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Cisco Systems AS5400 manual Troubleshooting Network Interfaces, Getting Help
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AS5400 specifications

Cisco Systems has long been a leader in the networking and telecommunications field, and its AS5800 series of routers exemplify this tradition. The AS5800, along with the AS5850, AS5350, AS5400, and AS5300, provides robust solutions for service providers and enterprise-level networking applications. Each of these models has distinct features and characteristics that cater to the evolving demands of internet traffic and data processing.

The Cisco AS5800 is designed for high-capacity routing and optimized for broadband services. It supports a wide range of services, including voice, data, and video applications, making it a versatile option for service providers looking to deliver integrated solutions. It is equipped with advanced quality of service (QoS) features that ensure bandwidth is allocated effectively, holding strong even under heavy traffic conditions.

In comparison, the AS5850 offers superior processing capabilities and is typically utilized in larger-scale implementations. This model supports high-density interfaces, allowing numerous connections without compromising performance. Its architecture includes enhanced MPLS (Multiprotocol Label Switching) support, enabling more efficient traffic management and better utilization of network resources.

The AS5350 is known for its scalability and energy efficiency, ideal for voice-over-IP (VoIP) and media gateway applications. It supports various telephony features, such as protocol interworking and transcoding, making it a preferred choice for organizations focusing on digital voice technologies. The AS5300, while slightly older, continues to be a valuable asset for less demanding networks, offering reliable performance with VoIP capabilities and basic data applications.

The AS5400 bridges the gap between high-performance routing and operational efficiency. It incorporates Cisco's proprietary technologies to ensure seamless connectivity and robust failover systems. This model is highly regarded for its security features, protecting network integrity and providing peace of mind for businesses relying on sensitive data transfer.

Overall, Cisco’s AS5800 series showcases a progressive evolution of routing capabilities with enhanced features tailored for resilience, scalability, and performance. These routers not only address the technical needs of modern networks but also strategically position organizations for future growth in an increasingly digital world. Each model, with its unique attributes, continues to support the varied demands of global communication infrastructures.
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