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1. Ethernet Audio Video
The Ethernet Audio Video (Ethernet AV or EAV) features available on the GS716T and GS724T
Smart Switches provide audio-video quality of service to Ethernet to enhance wire-line
networking for digital entertainment content streaming. The GS716T and GS724T switches
support the following EAV features:
• End-to-end Bandwidth guarantees to Ethernet using QoS and admission control
• Stream reservation through the Multiple Registration Protocol (MRP) and Multiple Stream
Reservation Protocol (MSRP)
• Traffic-shaping profiles through 802.1Qav
• Precise timing and synchronization in Ethernet networks by using IEEE 802.1AS
EAV, which is also known as Audio Video Bridging (AVB), helps ensure that the synchronization
requirements are met for time-sensitive applications, such as audio and video, across bridged
and virtual bridged local area networks consisting of LAN media where the transmission delays
are fixed and symmetrical. This includes the maintenance of synchronized time during normal
operation and following addition, removal, or failure of network components and network
reconfiguration.
Use the MRP and 802.1AS links under the Switching tab to configure and monitor the following
EAV features:
• Multiple Registration Protocol Configuration on page 5
• 802.1AS on page 17
Multiple Registration Protocol Configuration
Multiple Registration Protocol (MRP) is a base registration protocol that enables devices
running an MRP application to register attributes to other devices in a network. MRP
provides an application to register attributes such as bandwidth requirement for a given AV
stream and MAC address information. It is used by various applications to propagate the
registration. GS716T and GS724T Smart Switches support the following MRP applications:
• Multiple MAC Reservation Protocol (MMRP)
• Multiple Stream Reservation Protocol (MSRP)
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