User manual NETGEAR GS748TV2

[. . . ] Smart Switch Software User Manual GS748T NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA 202-10331-01 October 2007 © 2007 by NETGEAR, Inc. All rights reserved. Trademarks NETGEAR, the NETGEAR logo, and Auto Uplink are trademarks or registered trademarks of NETGEAR, Inc. Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation. [. . . ] In the VLAN Identifier list, select the VLAN that you want to modify. The possible operations are: · 4-8 v1. 0, October 2007 Untag All: Add all the ports to this VLAN and remove tag on all egress packets) Configuring the Switch Smart Switch Software User Manual GS748T · · Tag All: Add all the ports to this VLAN and tag all egress packets. Remove All: Remove all the ports from this VLAN. 3. Click the Unit link to display all available ports. Toggle the check box for each port to change its membership and tag setting: · · · An empty check box indicates that the port is not a member of this VLAN. T indicates that the egress packet is tagged. U indicates that the egress packet is untagged. 5. Click Apply. Figure 4-12 Note: Every port has an initial default VID of 1 (PVID = 1). Whether a port has this VID or has been made a member of another default VID, you cannot remove any port from its prior default VLAN until you have reassigned its PVID to its new value. Use the PVID Setting menu option of VLAN Management to change its PVID before attempting to remove it from its prior default membership. The PVID Configuration table contains parameters for assigning Port VLAN ID (PVID) values to interfaces. If no other value is specified, the default VLAN PVID is used. If you want to change the port's default PVID, you must first create a VLAN group that includes the port. Select the interface or port that you want to modify. In the PVID field, enter a valid VLAN ID. Configuring the Switch v1. 0, October 2007 4-9 Smart Switch Software User Manual GS748T 3. Click Apply. Figure 4-13 Configuring Port-Based VLANs Unlike 802. 1Q based VLAN, an ingress packet with an 802. 1Q tag is ignored and preserved. To modify port-based VLAN membership: 1. Select Switching > VLAN > VLAN Configuration from the main menu. The VLAN Configuration screen will display. Figure 4-14 2. Ensure that the Port-Based radio box has been enabled for VLAN Type. In the VLAN Name field, assign a name to help you to identify this VLAN. Click Add. 4-10 v1. 0, October 2007 Configuring the Switch Smart Switch Software User Manual GS748T To modify a Port-Based VLAN membership: 1. [. . . ] The nature of 1000BASE-T renders this measurement very important; if too much energy is reflected back on to the receiver, the device does not perform optimally. Unlike 10BASE-T and 100BASE-TX, which use only two of the four pairs of wires within the Category 5, 1000BASE-T uses all four pairs of the twisted pair. Make sure all wires are tested this is important. Factors that affect the return loss are: The number of transition points, as there is a connection via an RJ-45 to another connector, a patch panel, or device at each transition point. [. . . ]