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 a Combined Target and Running Configuration

Although the target and running configurations remain separate until the target configuration is committed, you can preview the combined target and running configuration without committing the changes. The combined configuration shows what the new running configuration will look like after the changes from the target configuration are committed. It does not represent the actual running configuration.

You can preview the combined configuration in global configuration and administration configuration modes. You cannot preview the combined configuration in EXEC modes because the target configuration must be committed or abandoned before returning to EXEC or administration EXEC mode.

To display the combined target and running configuration, type the show configuration merge command in any configuration mode.

Note The merge option does not appear in command help until the target configuration contains at least one configuration change.

The following example shows how to display the active RSP configuration (show running-config), configure an interface, and display the “merged” configuration:

RP/0/RSP0/CPU0:router(config-if)# show configuration merge

Building configuration...

!!Last configuration change at Tue Dec 2 20:29:51 2008 by cisco

!

hostname router clock timezone PST 8

clock summer-time DST recurring 2 sunday march 02:00 first sunday november 02:00 logging console informational

telnet vrf default ipv4 server max-servers no-limit domain lookup disable

explicit-path name GE_Path_to_P19

index 1 next-address strict ipv4 unicast 10.114.4.44 index 2 next-address strict ipv4 unicast 10.114.4.11 index 3 next-address strict ipv4 unicast 10.119.4.11 index 4 next-address strict ipv4 unicast 10.119.4.19 index 5 next-address strict ipv4 unicast 10.19.19.19

!

explicit-path name 10GE_Path_to_P19

index 1 next-address strict ipv4 unicast 10.114.8.44 index 2 next-address strict ipv4 unicast 10.114.8.11 index 3 next-address strict ipv4 unicast 10.119.8.11 index 4 next-address strict ipv4 unicast 10.119.8.19 index 5 next-address strict ipv4 unicast 10.19.19.19

!

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Cisco Systems A9K24X10GETR, ASR 9000, A9KMOD80TR manual Viewing a Combined Target and Running Configuration
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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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