Verifying and Troubleshooting the Installation

Table 18

Alphanumeric LED Messages During a Typical Initialization Sequence

 

 

 

 

LED Display1

 

Meaning

Source

MROM

 

MBus microcode execute; nnnn is the microcode version

MBus controller

nnnn

 

number.

 

 

 

 

 

LMEM

 

Low memory on the line card is being tested.

Line card ROM

TEST

 

 

monitor

 

 

 

 

LROM

 

Low memory test has been completed.

Line card ROM

RUN

 

 

monitor

 

 

 

 

BSS

 

Main memory is being initialized.

Line card ROM

INIT

 

 

monitor

 

 

 

 

RST

 

Contents of the reset reason register are being saved.

Line card ROM

SAVE

 

 

monitor

 

 

 

 

IO

 

Reset I/O register is being accessed.

Line card ROM

RST

 

 

monitor

 

 

 

 

EXPT

 

Interrupt handlers are being initialized.

Line card ROM

INIT

 

 

monitor

 

 

 

 

TLB

 

TLB is being initialized.

Line card ROM

INIT

 

 

monitor

 

 

 

 

CACH

 

CPU data and instruction cache is being initialized.

Line card ROM

INIT

 

 

monitor

 

 

 

 

MEM

 

Size of the main memory on the line card is being discovered.

Line card ROM

INIT

 

 

monitor

 

 

 

 

LROM

 

ROM is ready for the download attempt.

Line card ROM

RDY

 

 

monitor

 

 

 

 

ROMI

 

ROM image is being loaded into line card memory.

RP IOS software

GET

 

 

 

 

 

 

 

ROM

 

ROM image is receiving a response.

RP IOS software

VGET2

 

 

 

FABI

 

Line card is waiting for the fabric downloader to load.3

RP IOS software

WAIT

 

 

 

 

 

 

 

FABM

 

Line card is waiting for the fabric manager to report that the

RP IOS software

WAIT2

 

fabric is usable.

 

FABL

 

Fabric downloader is being loaded into line card memory.

RP IOS software

DNLD

 

 

 

 

 

 

 

FABL

 

Fabric downloader is being launched.

RP IOS software

STRT

 

 

 

 

 

 

 

FABL

 

Fabric downloader has been launched and is running.

RP IOS software

RUN

 

 

 

 

 

 

 

IOS

 

Cisco IOS software is being downloaded into line card

RP IOS software

DNLD

 

memory.

 

 

 

 

 

IOS

 

Cisco IOS software is waiting for the fabric to be ready.

RP IOS software

FABW2

 

 

 

Cisco XR 12000 Series Router Ethernet Line Card Installation

 

OL-7861-01

61

 

 

 

Page 61
Image 61
Cisco Systems XR 12000 Series specifications LED Display Meaning Source, Nnnn

XR 12000 Series specifications

The Cisco Systems XR 12000 Series routers are designed to meet the demands of modern networking environments, ensuring high performance, scalability, and reliability for service providers and large enterprises. This series is engineered to deliver advanced features that facilitate a range of applications, including core routing, edge services, and data center interconnect.

One of the main features of the XR 12000 Series is its advanced routing capabilities. These routers utilize the Cisco IOS XR software architecture, which provides a modular and distributed operating system. This architecture enhances system reliability as individual processes can be restarted independently without affecting overall system operations. As a result, service providers can achieve higher uptime and enhanced service continuity.

The XR 12000 Series supports a robust set of technologies that enable efficient data handling and transport. Notably, the series includes support for Multiprotocol Label Switching (MPLS), which enhances traffic engineering, distributed bandwidth management, and Quality of Service (QoS) capabilities. This makes the XR 12000 a preferred choice for operators looking to optimize their network performance under increasing traffic loads.

Furthermore, the XR 12000 Series excels in scalability. With a flexible modular design, operators can customize their systems to fit specific needs by adding additional line cards or service modules. These enhancements enable operators to scale both up and down based on fluctuating demands, accommodating numerous high-bandwidth applications such as video streaming, cloud services, and IoT.

Security is another critical characteristic of the XR 12000 routers. Built-in cybersecurity features, including secure boot, strong encryption, and integrity checks, protect against unauthorized access and ensure data integrity. Coupled with advanced monitoring and logging capabilities, these routers can help operators maintain robust security postures.

Additionally, the XR 12000 Series is designed to facilitate seamless integration with existing network infrastructures. The routers support various protocols and interfaces, which ensure interoperability with legacy systems and enhance overall network efficiency. This flexibility allows service providers to future-proof their investments while adapting to evolving technological landscapes.

In summary, the Cisco XR 12000 Series routers stand out for their advanced routing capabilities, scalability, robust security features, and compatibility with modern and legacy network infrastructures. These attributes make them an ideal choice for organizations seeking to enhance their networking capabilities in a rapidly changing digital environment.