1. Overview

1.3Functional Failure Analysis Overview

The overview of functional failure analysis for this system is shown in the table below.

Some communication failure in the lower layer may cause the communication failure in the upper layer, check the items in the lower layer as well.

Table 1-3: Functional Failure Status and Reference

Item

Subitem

Reference

 

 

 

Forgot login password

Forgot login user password

3.1.1 Forgot the Login User Password

 

 

 

 

Forgot system administrator password

3.1.2 Forgot the System Administrator Password

 

 

 

Problems on MC

"MC:--------" is displayed

3.2.1 "MC:--------" is displayed by entering the show

 

 

system command or the show mc command

 

 

 

 

"MC not found." is displayed

3.2.2 "MC not found" is displayed when MC is

 

 

accessed

 

 

 

Problems on operation terminal

Console input/display disabled

3.3.1 Unable to Input/Display from the Console

 

 

Correctly

 

 

 

 

Remote login disabled

3.3.2 Login from the Remote Operation Terminal Is

 

 

Failed

 

 

 

 

Login authentication disabled

3.3.4 Command Authorization Using RADIUS/

 

 

TACACS+ Is Disabled

 

 

 

 

Command acceptance disabled

3.3.4 Command Authorization Using RADIUS/

 

 

TACACS+ Is Disabled

 

 

 

Network interface communication

Ethernet port communication failure

3.4.1 Ethernet Port Cannot Be Connected

failure

 

 

BSU communication failure

3.4.2 Communication Failure in Basic Switching Unit

 

 

[IP8800/S6700]

BSU/PSP [IP8800/S6700]

 

 

 

 

10BASE-T/100BASE-TX/1000BASE-T

3.4.3 Actions against Troubles on 10BASE-T/

 

communication failure

100BASE-TX/1000BASE-T

 

 

 

 

1000BASE-X communication failure

3.4.4 Actions against Troubles on 1000BASE-X

 

 

 

 

10GBASE-R communication failure

3.4.5 Actions against Troubles on 10GBASE-R

 

 

 

 

Communication failure while PoE is

3.4.6 Communication Failure on Using PoE

 

functioning

 

 

 

 

 

Link aggregation failure

3.4.7 Communication Failure on Using Link

 

 

Aggregation

 

 

 

Layer 2 network communication

VLAN failure

3.5.1 Layer 2 Communication by VLAN Is Disabled

failure

 

 

Spanning tree failure

3.5.2 Failures on Using Spanning Tree

 

 

 

 

 

Ring Protocol failure

3.5.3 Failures on Using Ring Protocol

 

 

 

 

IGMP snooping disabled

3.5.4 Multicast Relay by IGMP snooping Is Disabled

 

 

 

 

MLD snooping disabled

3.5.5 Multicast Relay by MLD snooping Is Disabled

 

 

 

IPv4 network communication

Communication disabled

3.6.1 Communication Is Disabled or Is Disconnected

failure

 

 

DHCP disabled

3.6.2 IP Addresses Cannot Be Assigned Using DHCP

 

 

 

Function

 

 

 

 

Dynamic DNS disabled

3.6.3 DynamicDNS Cooperation in DHCP Function Is

 

 

Disabled

 

 

 

7

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NEC IP8800/S6300 manual Functional Failure Analysis Overview, Functional Failure Status and Reference, Subitem Reference
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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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