D-Link DGS-1224T Product Manual - Page 32
System > Password Access Control, Configuration > Jumbo Frame, Configuration > 802.1Q VLAN
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5 Configuration D-Link Web Smart Switch User Manual 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 44 - System > Password Access Control Configuration > Jumbo Frame D-Link Gigabit Web Smart Switches support jumbo frames (frames larger than the Ethernet frame size of 1536 bytes) of up to 10240 bytes (tagged) can be transmitted by the Switch. Default is disabled, Select Enabled then click Apply to turn on the jumbo frame support. Figure 45 - Configuration > Jumbo Frame 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 help to simplify network management by allowing users to move devices to a new VLAN without having to change any physical connections. The IEEE 802.1Q VLAN Configuration page provides powerful VID management functions. The original settings have the VID as 01, named "default", and all ports as "Untagged" Rename: Click to rename the VLAN group. Delete VID: Click to delete the VLAN group. Add New VID: Click to create a new VID group, assigning ports from 01 to 28 as Untag, Tag, or Not Member. A port can be untagged in only one VID. To save the VID group, press Apply. You may change the name accordingly to the desired groups, such as the aforementioned R&D, Marketing, email, etc. Figure 46 - Configuration > 802.1Q VLAN > Default Setting 28