Chapter 3 Configuring General Router Features

Managing Configuration Sessions

F I N A L D R A F T — C i s c o C o n f i d e n t i a l

Viewing Configuration Error Messages and Descriptions

Configuration changes are automatically verified during the commit operation, and a message appears if one or more configuration entries fail. To display an error message and description for a failed configuration, type the show configuration failed command.

Note You can view configuration errors only during the current configuration session. If you exit configuration mode after the commit operation, the configuration error information is lost.

In the following example, an error is introduced in global configuration mode and the error information appears after the commit operation fails:

RP/0/RSP0/CPU0:router# configure

RP/0/RSP0/CPU0:router(config)# taskgroup alr

RP/0/RSP0/CPU0:router(config-tg)#description this is a test of an invalid taskgroup

RP/0/RSP0/CPU0:router(config-tg)# commit

%Failed to commit one or more configuration items. Please use 'show configuration failed' to view the errors

RP/0/RSP0/CPU0:router(config-tg)# show configuration failed

!!CONFIGURATION FAILED DUE TO SEMANTIC ERRORS taskgroup alr

!!% Usergroup/Taskgroup names cannot be taskid names

Viewing Configuration Error Messages Without Descriptions

Configuration changes are automatically verified during the commit operation, and a message appears if one or more configuration entries fail. To display only the error message (without a description) for a failed configuration, type the show configuration failed noerror command, as shown in the following example:

RP/0/RSP0/CPU0:router(config-tg)# show configuration failed noerror

!!CONFIGURATION FAILED DUE TO SEMANTIC ERRORS taskgroup alr

!

Note You can view configuration errors only during the current configuration session. If you exit configuration mode after the commit operation, the configuration error information is lost.

Viewing Configuration Error Messages Produced While Loading a Configuration

To display any syntax errors found in a configuration loaded with the load command, type the show configuration failed load command.

Saving the Target Configuration to a File

Target configurations can be saved to a separate file without committing them to the running configuration. Target configuration files can then be loaded at a later time and further modified or committed.

 

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Cisco Systems A9KMOD80TR Saving the Target Configuration to a File, Viewing Configuration Error Messages and Descriptions
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A9KMOD80TR, A9K24X10GETR, ASR 9000 specifications

Cisco Systems has long been a leader in networking technology, providing cutting-edge solutions for service providers and enterprise organizations alike. Among their standout products is the Cisco ASR 9000 Series Aggregation Services Routers, notably the A9K24X10GETR and the A9KMOD80TR models. These routers are engineered to deliver unmatched performance, scalability, and versatility for networks that require high bandwidth and low latency.

The Cisco ASR 9000 Series is built for the needs of today's complex service provider and enterprise networks. A significant feature of the A9K24X10GETR is its 24-port 10-Gigabit Ethernet module. This functionality allows for high-density connectivity, making it ideal for aggregating numerous connections to different parts of a network while maintaining optimal performance. Whether used for Internet service providers delivering high-speed connectivity or for enterprises looking to connect multiple branches, the A9K24X10GETR provides robust and reliable data transmission.

Further enhancing the capabilities of the ASR 9000 is the A9KMOD80TR module, which supports an extensive range of services. This module is designed to run a variety of technologies, including Layer 2 and Layer 3 services, MPLS (Multiprotocol Label Switching), and IPv6. Its ability to integrate seamlessly into existing infrastructures while providing the advanced features customers demand makes it an invaluable asset for network engineering teams.

Another cutting-edge technology present in the ASR 9000 Series is its support for eBGP (External Border Gateway Protocol), which plays a critical role in managing traffic across multiple networks. The routers are equipped with advanced telemetry features, empowering operators with real-time insights into network performance and health. Additionally, they come with integrated security features that protect against DDoS threats and other vulnerabilities.

In summary, Cisco's ASR 9000 Series, particularly the A9K24X10GETR and A9KMOD80TR, combines high-density connections, extensive service support, and advanced security and telemetry capabilities. These routers are perfect for demanding environments where reliable performance and adaptability are crucial. With their focus on innovation and performance, Cisco continues to shape the future of networking technology.
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