Contents

3.4 Network Interface Communication Failure

27

 

3.4.1 Ethernet Port Cannot Be Connected

27

 

 

 

 

3.4.2 Communication Failure in Basic Switching Unit BSU/PSP

29

 

 

 

 

3.4.3 Actions against Troubles on 10BASE-T/100BASE-TX/1000BASE-T

30

 

 

 

 

3.4.4 Actions against Troubles on 1000BASE-X

32

 

 

 

 

3.4.5 Actions against Troubles on 10GBASE-R

33

 

 

 

 

3.4.6 Communication Failure on Using PoE

35

 

 

 

 

3.4.7 Communication Failure on Using Link Aggregation

36

 

 

 

3.5 Layer 2 Network Communication Failure

38

 

 

 

 

3.5.1 Layer 2 Communication by VLAN Is Disabled

38

 

 

 

 

3.5.2 Failures on Using Spanning Tree

40

 

 

 

 

3.5.3 Failures on Using Ring Protocol

41

 

 

 

 

3.5.4 Multicast Relay by IGMP snooping Is Disabled

44

 

 

 

 

3.5.5 Multicast Relay by MLD snooping Is Disabled

47

 

 

 

3.6 IPv4 Network Communication Failure

50

 

 

 

 

3.6.1 Communication Is Disabled or Is Disconnected

50

 

 

 

 

3.6.2 IP Addresses Cannot Be Assigned Using DHCP Function

54

 

 

 

 

3.6.3 DynamicDNS Cooperation in DHCP Function Is Disabled

58

 

 

 

3.7 IPv4 Unicast Routing Communication Failure

61

 

 

 

 

3.7.1 No RIP Routing Information Exists

61

 

 

 

 

3.7.2 No OSPF Routing Information Exists

61

 

 

 

 

3.7.3 No BGP4 Routing Information Exists

62

 

 

 

 

3.7.4 No Routing Information Exist [OP-NPAR]

62

 

 

 

3.8 IPv4 Multicast Routing Communication Failure

63

 

 

 

 

3.8.1 Communication on IPv4 PIM-SM Network Is Disabled

63

 

 

 

 

3.8.2 Multicast Data Is Double-relayed on IPv4 PIM-SM Network

66

 

 

 

 

3.8.3 Communication on IPv4 PIM-SSM Network Is Disabled

67

 

 

 

 

3.8.4 Multicast Data Is Double-relayed on IPv4 PIM-SSM Network

69

 

 

 

 

3.8.5 IPv4 Multicast Communication Failure In VRF [OP-NPAR]

70

 

 

 

3.9 IPv6 Network Communication Failure

71

 

 

 

 

3.9.1 Communication Is Disabled or Is Disconnected

71

 

 

 

 

3.9.2 IPv6 DHCP Troubleshooting

73

 

 

 

3.10 IPv6 Unicast Routing Communication Failure

79

 

 

 

 

3.10.1 No RIPng Routing Information Exists

79

 

 

 

 

3.10.2 No OSPFv3 Routing Information Exists

79

 

 

 

 

3.10.3 No BGP4+ Routing Information Exists

80

 

 

 

3.11 IPv6 Multicast Routing Communication Failure

81

 

 

 

 

3.11.1 Communication on IPv6 PIM-SM Network Is Disabled

81

 

 

 

 

3.11.2 Multicast Data Is Double-relayed on IPv6 PIM-SM Network

84

 

 

 

 

3.11.3 Communication on IPv6 PIM-SSM Network Is Disabled

85

 

 

 

 

3.11.4 Multicast Data Is Double-relayed on IPv6 PIM-SSM Network

87

 

 

 

3.12 Layer 2 Authentication Communication Failure

89

 

 

 

 

3.12.1 Communication Failure on Using IEEE 802.1X

89

 

 

 

 

3.12.2 Communication Failure on Using Web Authentication

92

 

 

 

 

3.12.3 Communication Failure on Using MAC Authentication

97

 

 

 

 

3.12.4 Communication Failure on Using Authentication VLAN [OP-VAA]

99

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NEC IP8800/S2400, IP8800/S6600, IP8800/S3600 Network Interface Communication Failure, Layer 2 Network Communication Failure
Page 11 Page 13

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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