S Layer 2 Managed Switch User Manual
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Enable: To vlaid or delete relative TRUNK group. Select “enable” to valid, “disable” to delete.
Status: “SMAC”, “DMAC”, “XOR” to set Trunk’s selection as source MAC address, or destination MAC address, or both
source MAC address and destination MAC address.
Negotiation mode: to control Trunk port’s working mode.
Discard Untag frame: To discard if select “Enable”. You can configure in 802.1 Q Tag VLAN mode.
Default VID: Trunk port’s default VID at untag mode. You can configure in 802.1 Q Tag VLAN mode.
Broadcast control: to configure Trunk’s broadcast control function, including 5 submena, refer 4.2.6 for details.
Trunk member: select ports to join Trunk.
Trunk configuration rules:
1.S
supports up to 3 Trunks, and each trunk with 2-4 ports.
2.One Trunk’s port can’t belong to other Trunks simultaneously.
3.One Trunk’s all ports will be treated as one single logic port by the switch.
Note:
S’
s 1
st
port can’t be set as Trunk member.
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6 QoS Configuration
QoS Configuration including QoS Mode
、
Port-based QoS
、
ToS-based QoS
、
802.1p-based QoS and
801.1p-802.1p Remap
。
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1
QoS Mode
Figure 5-36 QoS mode
QoS mode: include 4 modes: Disable,Port-Based Priority, ToS Priority, and 802.1 p Priority. And 802.1p Priority will only
valid in 802.1 Q Tag VLAN mode.
QoS Algorithm: has two options: WR, or WRR. In WRR, switch will forward packets at some ratio according to
their priorities, like Low
、
High
、
Higher
、
Highest; In WRR, switch first forward packets with Highest priority, then
forward other packets at some ratio according to their priorities.
802.1p Remap Enable: This only valids in 802.1p Priority mode. The switch mappings receiveing packets’ tag priorites to
that the user newly set, therefore can adapt to locally forwarding priorites without changing receiveing packets’ tag
priorites.
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2 Port-based QoS
