Device Management
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Qos Configuration specification
If the QoS mode is SP, set Port 1 to High and Port 2 to Low in Priority. When both ports send
packets to the same port at the same time, this port will let packets from Port 1 pass,
followed by packets from Port 2.
If WRR is selected, set weights to High=7 and Low=1 respectively. When both ports send
packets to the same port at the same time, this port will send packets in a traffic proportion
of 7:1.
8.3 STP
The Spanning Tree Protocol (STP) is a network protocol that ensures a loop-free topology
for any bridged Ethernet local area network. The basic function of STP is to prevent bridge
loops and the broadcast radiation that results from them. Spanning tree also allows a
network design to include spare (redundant) links to provide automatic backup paths if an
active link fails, without the danger of bridge loops, or the need for manual
enabling/disabling of these backup links.
Spanning Tree Protocol (STP) is standardized as IEEE 802.1D. As the name suggests, it
creates a spanning tree within a network of connected layer-2 bridges (typically Ethernet
switches), and disables those links that are not part of the spanning tree, leaving a single
active path between any two network nodes.
STP protocol packets
To implement spanning tree function, switches in the network transfer BPDU (Bridge
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