Tp-Link TL-SG2109WEB [28/75] Web smart gigabit switch family user s guide

Web Smart Gigabit Switch Family User's Guide

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congured as "weighted", a 1,2,4,8 weighting is applied to forward packets.

When "xed" is selected, all packets with top priority egress for a switch port

until that priority's queue is empty, then the packets with next lower priority.

4.6.2 Port-Based Priority

Four priority classes (lowest, lower, higher and highest) are available for a

switch port in port-based priority mode. The priority class of the port is applied

to the all packets entering from the port.

4.6.3 Port Default Priority

If IEEE802.1p priority mode is configured, when a switch port receives an

untagged frame (a frame without priority tag), the port's default priority tag will

be inserted into the frame before any other process.

4.6.4 802.1p Priority

In IEEE802.1p priority mode, all packets are classied into four priority classes

(lowest, lower, higher and highest) according to the embedded priority tag.

If an untagged frame is received, the default priority tag of the port will be

attached.

4.7 Port Mirroring

Port mirroring monitors and mirrors network traffic by forwarding copies

of incoming and outgoing packets from one port to a monitoring port. Port

mirroring enables switch performance monitoring.

Network administrators can congure port mirroring by selecting a specic port

from which to copy all packets, and other ports to which the packets copied.