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.

IGMP Configuration

¾IGMP Enabled: When enabled, the switch will monitor network traffic to determine which hosts want to receive multicast traffic.

¾Router Ports: Set if ports are connecting to the IGMP administrative routers.

¾Unregistered 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.

¾IGMP Snooping Enabled: When enabled, the port will monitor network traffic to determine which hosts want to receive the multicast traffic.

¾IGMP 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 2-7

Mirroring

Port Mirroring is used on a network switch to send a copy of network packets seen on one switch port (or an entire VLAN) to a network monitoring connection on another switch port. This is commonly used for network appliances that require monitoring of network traffic, such as an intrusion-detection system.

Mirroring Configuration

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Edimax Technology ES-5816PGH user manual Mirroring
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ES-5816PGH specifications

The Edimax Technology ES-5816PGH is a high-performance PoE (Power over Ethernet) switch designed for efficient network management and seamless connectivity in various environments. This switch is particularly suitable for small and medium businesses, as well as home networks that require robust networking capabilities.

One of the standout features of the ES-5816PGH is its 16 10/100/1000 Mbps Gigabit Ethernet ports. This allows for high-speed data transfer, significantly boosting network performance and enabling smooth multimedia streaming, online gaming, and other bandwidth-intensive applications. Each of the Gigabit ports supports auto-sensing technology, which enables the switch to automatically detect the speed of connected devices and adjust accordingly, ensuring optimal performance.

A notable aspect of the ES-5816PGH is its support for Power over Ethernet (PoE), providing a total PoE budget of 100 watts across the connected devices. This feature eliminates the need for additional power outlets and simplifies installation by allowing network devices, such as IP cameras, access points, and VoIP phones, to receive power directly through the Ethernet cable. The switch supports PoE standards, including IEEE 802.3af and IEEE 802.3at, ensuring compatibility with a wide range of PoE devices.

In terms of advanced technologies, the ES-5816PGH boasts essential features such as IEEE 802.1Q VLAN support, which enables network segmentation for improved security and performance. This capability allows administrators to configure multiple virtual LANs to separate different types of traffic, enhancing overall network efficiency. Furthermore, the switch supports QoS (Quality of Service) settings, prioritizing critical network traffic to ensure that important data is transmitted without delays.

The build quality of the ES-5816PGH is robust, with a metal chassis designed for durability and reliable performance. Its fanless design is another significant advantage, allowing for silent operation, making it ideal for use in environments where noise is a concern.

Easy management features, such as web-based management interfaces, facilitate the configuration and monitoring of the switch for both novice users and IT professionals. With its reliable performance, PoE capabilities, and user-friendly management options, the Edimax Technology ES-5816PGH positions itself as an excellent solution for enhancing network infrastructure in various applications.
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