3.Troubleshooting Functional Failures in Operation

3.5.4Multicast Relay by IGMP snooping Is Disabled

If multicast relay is disabled when using IGMP snooping, follow the analysis flow to identify the symptom using steps shown in the table below and isolate the problem.

Figure 3-5: Analysis Flow

Analysis Flow

 

 

 

 

 

 

 

 

 

Y

see the manual "Message Log

 

 

 

there log

Reference" and perform the

 

 

 

 

 

 

 

actions described in [Action]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

associated with each log

 

 

 

 

 

N

 

 

 

 

message.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

Verify that the settings of

 

 

 

Is filter setting correct?

 

 

filter and QoS Control are

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

correct.

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

Verify that the settings for

 

 

 

Is IPv4 multicast used?

 

 

using IPv4 multicast at the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

same time are correct.

 

 

 

 

N

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is there IGMP querier?

 

 

Set IP address on VLAN,

 

 

 

 

 

 

 

 

and add the querier

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

function in IGMP snooping.

 

 

 

 

Y

 

 

 

 

 

 

 

This system may be the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IGMP querier.

 

 

 

 

 

 

 

 

 

 

 

 

Unresolve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the device that

Y

 

 

 

 

 

Set the connecting port as

 

 

 

multicast data connected

 

 

 

 

 

 

a multicast router port.

 

 

 

 

 

 

 

 

 

 

 

 

to the same

 

 

 

 

 

 

 

 

VLAN?

 

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

Is the data relayed

 

 

 

 

 

 

Unresolved

 

 

 

 

 

 

 

 

 

 

 

 

the same

 

 

 

 

 

 

 

 

 

 

 

N

N

 

 

 

 

 

 

 

 

Is it a relay within

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the same VLAN?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Verify that the configuration of

Refer to "3.8 IPv4 Multicast

 

Verify that other systems

IGMP snooping is properly set in

Routing Communication

 

are set to relay the

the corresponding VLAN.

 

 

 

Failure."

 

 

 

 

 

multicast data.

44

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Image 106
NEC IP8800/S3600, IP8800/S6600, IP8800/S2400, IP8800/S6700, IP8800/S6300 manual Multicast Relay by Igmp snooping Is Disabled
Page 105 Page 107

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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