Chapter 5 Troubleshooting the Installation

Troubleshooting Overview

The MII EN LED comes on after the ENABLED LED and indicates that the Fast Ethernet port’s MII port is initialized and enabled for operation by the system, and configured for operation. This LED comes on during a successful router boot and after the MII port has been configured as the media type for the Fast Ethernet port (the RJ-45 port is the default media type for the Fast Ethernet port). This LED remains on during normal operation of the router.

If this LED remains off when you start the router, it is probably a problem with the Fast Ethernet port on the I/O controller. Proceed to the “Troubleshooting the I/O Controller” section on page 5-7.

The RJ-45 EN LED comes on after the ENABLED LED and indicates that the Fast Ethernet port’s RJ-45 port (the default media type for the Fast Ethernet port) is initialized and enabled for operation by the system. This LED comes on during a successful router boot and remains on during normal operation of the router.

If this LED remains off when you start the router, it is probably a problem with the Fast Ethernet port on the I/O controller. Proceed to the “Troubleshooting the I/O Controller” section on page 5-7.

The RJ-45 LINK LED comes on only when the Fast Ethernet RJ-45 port is receiving a carrier signal from the network. This LED remains off during normal operation of the router unless there is an incoming carrier signal, and does not indicate startup problems.

If this LED remains off when you start the router, it is probably a problem with the Fast Ethernet port on the I/O controller. Proceed to the “Troubleshooting the I/O Controller” section on page 5-7.

Note An MII link LED is not provided on the I/O controller because the LED is provided on external transceivers that are required for connecting to the MII port on the I/O controller. See the “Connecting to the I/O Controller Ethernet and Fast Ethernet Ports” section on page 3-30in Chapter 3, “Installing a Cisco 7200 VXR Router” for Fast Ethernet MII connection requirements.

The slot 1 and slot 2 LEDs only come on when either PC card or Flash Disk slot is being accessed by the system. These LEDs remain off during normal operation of the router and do not indicate startup problems.

NPE-G1 or NPE-G2 LEDs

These LEDs function on the NPE-G1 or NPE-G2 when no I/O controller is installed:

The POWER ON LED on the NPE-G1 or the PWK OK LED on the NPE-G2 comes on immediately—and stays on—and indicates that the NPE-G1 is receiving DC power from the router midplane. This LED comes on during a successful router boot and remains on during normal operation of the router.

If these LEDs remain off when you start the router, either there is a problem with the power supply (it is damaged or not connected to the router midplane) or the network processing engine is not connected to the router midplane. Proceed to the “Troubleshooting the I/O Controller” section on page 5-7.

The EN (enabled) LED comes on for the three Gigabit Ethernet interfaces only if the RJ-45 media are selected. The EN LED remains off, when operating, if the GBIC media are selected.

The LINK LED comes on only when any of the Gigabit Ethernet media in use are receiving a carrier signal from the network. This LED remains off during normal operation of the router unless there is an incoming carrier signal, and does not indicate startup problems.

The SLOT ACTIVE LED on the NPE-G2 comes on when the CompactFlash Disk slot is being used.

The SYS STAT LED is solid green when Cisco IOS has successfully booted.

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Cisco Systems 7200 VXR manual NPE-G1 or NPE-G2 LEDs

7200 VXR specifications

The Cisco Systems 7200 VXR Series is a robust and highly scalable modular router designed to meet the demands of service providers and enterprises seeking high-performance solutions for their network infrastructures. Launched as part of the Cisco 7200 series, the VXR (Virtual Extensible Routing) variant enhances capabilities while providing effective support for a wide range of applications, including Internet Protocol (IP) routing, Voice over IP (VoIP), and Virtual Private Network (VPN) configurations.

At the core of the 7200 VXR is its modular design, which enables network administrators to customize the router according to their specific needs. The router supports a variety of interface cards, processing engines, and power supply options, ensuring flexibility for diverse network environments. This modularity facilitates easy upgrades and expansions, making it ideal for growing enterprises and service providers looking to future-proof their networks.

One of the standout features of the Cisco 7200 VXR is its impressive routing performance. It can handle a high level of traffic with low latency, which is critical for bandwidth-intensive applications. The router supports a wide array of routing protocols, including Border Gateway Protocol (BGP), Open Shortest Path First (OSPF), and Integrated Intermediate System-to-Intermediate System (IS-IS), providing versatility for various network topologies.

The 7200 VXR also incorporates advanced features for enhanced security and reliability. With support for IPsec VPNs, it enables secure data transmission across untrusted networks. The router also includes features like Quality of Service (QoS) for prioritizing network traffic, ensuring critical applications receive the bandwidth they require even during peak loads.

In terms of scalability, the Cisco 7200 VXR can support hundreds of thousands of routes and MAC addresses, making it suitable for large metropolitan area networks (MANs) as well as enterprise backbone applications. It also provides the capability to support IPv4 and IPv6 networks, preparing organizations for a transition to next-generation internet protocols.

Additional characteristics of the Cisco 7200 VXR include enhanced manageability through the Cisco IOS software, which offers a comprehensive command-line interface and support for network management protocols. The router is also energy-efficient, with options for redundant power supplies that ensure continuous availability and minimal downtime in mission-critical applications.

Overall, the Cisco Systems 7200 VXR represents a powerful solution that combines performance, scalability, and security, making it an excellent choice for organizations looking to enhance their network capabilities in a rapidly evolving technological landscape.