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NEC IP8800/S2400 manual 5 IPv4 Multicast Communication Failure In VRF OP-NPAR, Check Items for VRF

Models: IP8800/S6700 IP8800/S3600 IP8800/S6600 IP8800/S6300 IP8800/S2400

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3.Troubleshooting Functional Failures in Operation

Table 3-31: Check Items When Double-relay Continues

No.

Troubleshooting Steps and Command

Action

 

 

 

1

Check the PIM neighboring information on the interface of the

If the neighboring router is not displayed, check the

 

network having multiple routers.

following:

 

show ip pim neighbor

• Confirm that PIM is running on the interface connected to

 

 

the neighboring router using the show ip pim command

 

 

with "interface" parameter specified.

 

 

• Confirm in the configuration that suppression of protocol

 

 

packet relay by filtering, etc. is not provided.

 

 

• Verify the settings of the neighboring router.

 

 

 

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

If IPv4 multicast communication failure still continues, check the following:

Table 3-32: Check Items for VRF

No.

Troubleshooting Steps and Command

Action

 

 

 

1

Check to see the VRF interface, port number, VLAN ID.

If the setting is not correct, modify the configuration or the

 

show ip vrf

connections.

 

show vlan

 

 

show ip pim interface

 

2

When this system operates as rendezvous point or BSR,

Specify the same loopback interface number between

 

confirm that loopback interface is set to the VRF or the

rendezvous point/BSR and the VRF.

 

configuration.

Besides, If IPv4 address is not set to the loopback interface,

 

show ip vrf

assign IPv4 address.

 

show running-config

 

3

When multiple VRFs are operating, confirm that global

If you find a specific global network or VRF that occupied

 

network or a specific VRF does not occupy more multicast

more multicast forwarding entries than expected, check to see

 

forwarding entries than expected.

if unexpected multicast relay entry has not been created.

 

show ip mcache vrf all

If much of the negative cache exist in multicast forwarding

 

 

entry, check to see if no terminal transmitting unnecessary

 

 

packets exist. In addition, keep a global network or a specific

 

 

VRF from occupying the forwarding entry.

 

 

Corresponding Configuration:

 

 

ip pim vrf <vrf id> mchache-limit <number>

4

For each VRF, check the items from "3.8.1 Communication on

To confirm technical information by using commands, you

 

IPv4 PIM-SM Network Is Disabled" to "3.8.4 Multicast Data

need to specify VRF. For more information on how to specify

 

Is Double-relayed on IPv4 PIM-SSM Network."

VRF, see the manual "Operation Commands."

 

 

 

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NEC IP8800/S2400 manual 5 IPv4 Multicast Communication Failure In VRF OP-NPAR, Check Items When Double-relay Continues
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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.