System > Password Access Control; Configuration > 802.1Q Vlan - D-Link 24-Port 10/100Mbps PoE Web Smart Switch with 4-Port 10/100/1000Base-T and 2-Port Combo SFP DES-1228P User Manual

events such as a port status change. The Switch can generate traps and
send them to the trap recipient (i.e. network administrator).
Setting up a Trap: Select Enable, enter a Trap Name (i.e. Trap Name
must be selected from a Community Name), add the IP of the device
to be monitored, and choose the event(s) to trap. The available trap
Events to choose from include: System Device Bootup, Fiber Link Up
/ Link Down, Fiber Abnormal Receive Error, Fiber Abnormal
Transmit Error, Twisted Pair Link Up / Link Down, Twisted Pair
Abnormal Receive Error, Twisted Pair Abnormal Transmit Error.
System > Password Access Control
Setting a password is a critical tool for managers to secure the Web-
Smart Switch. After entering the old password and the new password
two times, press Apply for the changes to take effect.
Figure 27 – System > Password Access Control
Configuration > 802.1Q VLAN
A VLAN is a group of ports that can be anywhere in the network, but
communicate as though they were in the same area.
VLANs can be easily organized to reflect department groups (such as
R&D, Marketing), usage groups (such as e-mail), or multicast groups
(multimedia applications such as video conferencing), and therefore
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