3. Troubleshooting Functional Failures in Operation

3.20Problems on Redundant Configuration of Basic Switching Unit (BSU) [IP8800/S6700]

3.20.1Active BSU Switchover Is Disabled

If BSU cannot be switched in the redundant configuration, follow the instruction shown below.

1.Checking log

For the log, see the manual "Message Log Reference."

2.Isolating the problem according to the BSU operation status

Check the BSU operation status by using the show system command, and isolate the problem according to the table below.

Table 3-68: Failure Analysis Method When BSU Switchover Disabled

No.

BSU Operation

Problem

Action

 

Status

 

 

 

 

 

 

1

active (not standby

The number of BSU boards set in

Use configuration command redundancy

 

hot, standby cold,

configuration command redundancy

max-bsuto set the number of BSU boards to be

 

standby cold2)

max-bsudoes not match the number of

operated as the active BSU.

 

 

BSU boards which are to be operated as the

 

 

 

active BSU.

 

 

 

 

 

 

 

BSU boards to be standby BSU are not

Install the BSU boards.

 

 

installed.

 

 

 

 

 

2

fault

Unavailable configuration has been set.

Use configuration command fldm prefer to set

 

 

 

flow distribution pattern of the filter and QoS function

 

 

 

correctly.

 

 

 

 

 

 

 

Use configuration command fwdm prefer to

 

 

 

correctly set the distribution pattern of the maximum

 

 

 

number of entries per device.

 

 

 

 

 

 

The BSU is faulty.

According to the log of the BSU displayed by the show

 

 

 

logging command, see the corresponding part in

 

 

 

manual "Message Log Reference" and follow [Action]

 

 

 

described.

 

 

 

 

3

inactive

The inactivate bsu command is set.

Use the activate bsu command to make the BSU

 

 

 

active, standby hot, standby cold status, or standby cold

 

 

 

status2.

 

 

 

 

 

 

The setting by Configuration command

Delete the setting by Configuration command

 

 

redundancy bsu-load-balancing

redundancy bsu-load-balancing smac or

 

 

smac or redundancy bsu-mode

redundancy bsu-mode fixed and restart the

 

 

fixed exists.

system. For more details, see the manual

 

 

 

"Configuration Settings."

 

 

The BSU is not fully inserted.

Install the BSU board correctly.

 

 

 

 

 

 

Different types of BSUs are installed

Unify the type of all BSU boards.

 

 

together.

 

 

 

 

 

 

 

BSU not supported by the software version

Check the BSU board type and software version.

 

 

is installed.

Replace the BSU board or update the software.

 

 

 

 

 

 

BSU not supported by this device is

Replace the BSU board.

 

 

installed.

 

 

 

 

 

121

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NEC IP8800/S6700, IP8800/S6600 Active BSU Switchover Is Disabled, Failure Analysis Method When BSU Switchover Disabled
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IP8800/S6700, IP8800/S3600, IP8800/S6600, IP8800/S6300, IP8800/S2400 specifications

The NEC IP8800 series comprises a range of advanced networking solutions designed for various applications ranging from enterprise networking to service provider environments. This series includes models such as the IP8800/S2400, IP8800/S3600, IP8800/S6300, IP8800/S6600, and IP8800/S6700, each with its unique set of features and capabilities aimed at delivering robust performance, security, and scalability.

The IP8800/S2400 is an entry-level switch tailored for small to medium enterprises. It features a compact design and high port density, making it ideal for network edge applications. The model supports both Layer 2 and Layer 3 switching capabilities, enabling efficient traffic management. With its robust security features, including access control lists and support for VLANs, the IP8800/S2400 ensures secure connectivity.

Moving to the IP8800/S3600, this switch is designed for data center environments and offers high throughput with advanced routing capabilities. It is equipped with high-capacity 10G and 40G Ethernet ports, facilitating faster data transfer rates. The S3600 supports various protocols such as MPLS and Segment Routing, enhancing its ability to manage complex network architectures. Its energy-efficient design also helps reduce operational costs.

The IP8800/S6300 is tailored for high-performance networking scenarios, featuring a flexible architecture that supports both traditional and cloud-based services. With extensive QoS capabilities, the S6300 optimizes traffic flow and manages bandwidth efficiently, ensuring high-quality service delivery. Its virtualization support allows for easier integration into modern, software-defined networking environments.

The IP8800/S6600 provides a comprehensive solution for service providers and large enterprises, boasting high scalability and modularity. This model supports advanced features such as network slicing and the ability to handle high-density 100G interfaces. Its robust management tools, including centralized control and automation capabilities, simplify network operations significantly.

Finally, the IP8800/S6700 represents the pinnacle of the series, designed for mission-critical applications requiring the utmost reliability and performance. It supports advanced analytics, AI-driven insights, and comprehensive telemetry, enabling proactive network management. With high availability features and extensive redundancy options, the S6700 ensures continuous operation, making it ideal for core network functions.

In summary, the NEC IP8800 series offers a versatile range of switches that combine advanced technologies, high performance, and robust security features, catering to various networking needs across different industries. Each model is designed to provide not only superior connectivity but also the flexibility and scalability required in today’s fast-paced digital landscape.
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