Netgear GS728TPP User Manual Page 73

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GS752TP, GS728TP, and GS728TPP Gigabit Smart Switches
Ports
The screens you access from the Ports menu allow you to view and monitor the physical port
information for the ports available on the switch. From the Ports menu, you can access the
features described in the following sections:
Global Configuration
Port Configuration
Global Configuration
IEEE 802.3x flow control works by pausing a port when the port becomes oversubscribed
and dropping all traffic for small bursts of time during the congestion condition. This action
can lead to high-priority and network control traffic loss. When IEEE 802.3x flow control is
enabled, lower-speed switches can communicate with higher-speed switches by requesting
that the higher-speed switch refrains from sending packets. Transmissions are temporarily
halted to prevent buffer overflows.
Jumbo frames support packets of up to 9 Kilobytes in size. If jumbo frames are not enabled
(default), the system supports packet size up to 1,518 bytes. For jumbo frames to take ef
fect,
the switch must be rebooted after the feature is enabled.
To configure global configuration settings:
1. Select Switching
Ports > Global Configuration.
The following screen displays:
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