XtendLan XL-EFM404 G.SHDSL .bis EFM Modem User Manual
V0.01
If you click the LAN1 to LAN4 only with DSL and Sniffing, there are port isolation means that
each LANs port can only communicate with management port and cannot communicate with
each other. This option is the most limiting but also the most secure.
QoS
Click QoS to configure QoS
IP QoS (
Quality of Service)
is a good function to decide which PCs can get the priorities to
pass though EFM modem once if the bandwidth is exhausted or fully saturated.
The priority modes have three type: Port Based Priority, VLAN Tag Priority and IP DSCP
Priority. You can also set Disable the QoS function.
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