Black Box 24-Port Web Smart Gigabit Ethernet Switch, LGB624A Igmp Snooping, Igmp Configuration

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Chapter 3: Software Description

3.2.7 IGMP Snooping

IGMP Snooping is the process of listening to IGMP network traffic. IGMP Snooping, as implied by the name, is a feature that allows a layer 2 switch to “listen in” on the IGMP conversation between hosts and routers by processing the layer 3 IGMP packets sent in a multicast network.

When IGMP Snooping is enabled in a switch, it analyzes all IGMP packets between hosts connected to the switch and multicast routers in the network. When a switch hears an IGMP report from a host for a given multicast group, the switch adds the host’s port number to the multicast list for that group. And, when the switch hears an IGMP Leave, it removes the host’s port from the table entry.

Prevents flooding of IP multicast traffic, and limits bandwidth intensive video traffic to only the subscribers.

3.2.7.1 IGMP Configuration

•IGMP Enabled: When enabled, the switch will monitor network traffic to determine which hosts want to receive multicast traffic.

•Router Ports: Set if ports are connecting to the IGMP administrative routers.

•Unregistered IPMC Flooding enabled: Set the forwarding mode for unregistered (not joined) IP multicast traffic. The traffic will flood when enabled, and forward to router-ports only when disabled.

•IGMP Snooping Enabled: When enabled, the port will monitor network traffic to determine which hosts want to receive the multicast traffic.

•IGMP Querying Enabled: When enabled, the port can serve as the Querier, which is responsible for asking hosts if they want to receive multicast traffic.

Figure 3-14.

LGB624A

724-746-5500 blackbox.com

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Contents This Web smart switch provides 24 10-/100-/1000-Mbps ports Blackbox.com FCC and IC RFI StatementsFederal Communications Commission NOM Statement Normas Oficiales Mexicanas NOM Electrical Safety StatementNOM Statement Trademarks Used in this Manual Trademarks Used in this ManualDisclaimer Table of Contents Maintenance Specifications SpecificationsOverview FeaturesOverview Introduction Hardware Description What’s IncludedPort Web Smart Gigabit Ethernet Switch components Software Description LoginSoftware Description System Configuration screen Configuration 3.2.1 SystemSoftware Description Ports Port ConfigurationSoftware Description Blackbox.com Vlan Setup Port Segmentation Vlan ConfigurationVlan Vlan per port configuration Vlan Per Port ConfigurationSoftware Description Lacp Port Configuration Aggregation / Trunking ConfigurationAggregation LacpRstp Rstp System ConfigurationRstp Port Configuration 10. Rstp system configuration11. Rstp port configuration screen 12. Rstp system configuration screen Igmp Snooping Igmp ConfigurationMirroring Mirroring ConfigurationQoS Configuration Quality of Service QoSQoS Mode 802.1p QoS Mode QoS Disabled19. QoS configuration custom selected QoS Mode Dscp Storm Control Storm Control ConfigurationDetailed Statics Lacp Status Lacp Aggregation Overview Rstp Status Rstp Vlan Bridge Overview Lacp Port StatusRstp Port Status Igmp Status VeriPHY VeriPHY Cable DiagnosticsSoftware Description Ping Parameters PingSoftware Description Software Description Blackbox.com Maintenance Warm Restart MaintenanceFactory Default Software uploadLogout Configuration File TransferReset Button for the Factory Default Setting About Black Box Black Box Tech Support FREE! Live /7

LGB624A, 24-Port Web Smart Gigabit Ethernet Switch specifications

The Black Box 24-Port Web Smart Gigabit Ethernet Switch, model LGB624A, is designed to provide reliable and efficient network management for small to medium-sized businesses. This switch boasts an impressive combination of performance and flexibility, catering to the growing demands of increasingly interconnected environments.

One of the standout features of the LGB624A is its 24 Gigabit Ethernet ports, which deliver high-speed data transfer rates of up to 1000 Mbps. This ensures that multiple devices can be connected and communication remains seamless, making it ideal for environments that require robust bandwidth capabilities. The switch supports autonegotiation on all ports, enabling automatic configuration to ensure optimal connectivity with various devices.

In addition to its hardware capabilities, the LGB624A incorporates advanced management features via its web-smart interface. This capability allows network administrators to configure, manage, and monitor their network efficiently without the need for complex command-line interfaces. The web-based management provides easy access to important network settings, VLAN configurations, and traffic monitoring, streamlining network management processes.

Quality of Service (QoS) features are also integrated, allowing for the prioritization of essential network traffic. This ensures that time-sensitive applications, like VoIP or video streaming, operate smoothly even during peak network loads. The LGB624A supports up to 802.1Q VLAN tagging, which facilitates better segmentation of network traffic for improved performance and security.

Power over Ethernet (PoE) support is another significant feature of this switch, allowing power to be delivered to connected devices such as IP cameras and wireless access points directly through the Ethernet cable. This eliminates the need for separate power supplies and simplifies installation processes.

Robust security features are implemented to safeguard the network against potential threats. The switch supports port security, limiting access to authorized devices based on MAC address. Additionally, the LGB624A provides features for network monitoring and diagnostics, ensuring that administrators can quickly identify and resolve any issues that may arise.

Overall, the Black Box 24-Port Web Smart Gigabit Ethernet Switch, LGB624A, stands out for its blend of performance, flexibility, and ease of use, making it a dependable solution for businesses looking to enhance their network infrastructure. With a comprehensive suite of management and security features, it ensures that organizations can operate efficiently while safeguarding their digital environment.
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