Chapter 6

Advanced Configuration

802.1Q

In 802.1Q-based VLAN mode, tags are inserted into the data packets to distinguish between different VLANs.

Switch > VLAN - 802.1Q

A VLAN can include any of the five physical Ethernet ports (ports 1-5) as well as port 6, which controls the wireless interface and CPU access (management traffic and web- based utility access).

NOTE: The default 802.1Q settings define one VLAN whose VLAN ID (VID) is 1 and which includes ports 1-6. This is to allow access to the web-based utility from any of the ports. In addition, port 1 and port 6 (Wireless & CPU port) are permanently defined as part of VLAN 1; these settings cannot be changed. This ensures that you can always access the web- based utility through at least port 1, regardless of your particular 802.1Q VLAN settings.

You can create up to 16 VLANs on the Switch. The valid VLAN ID range is 1-4095. A VLAN with ID 1 has been pre- configured by default and cannot be deleted.

802.1Q VLAN Port Setting  Each row of the table corresponds to one port. For each port, configure the 802.1Q VLAN settings, then click Apply 802.1Q VLAN settings.

•• Default VID  The default VLAN ID (VID) for this port. Port 1 and port 6 are set to 1 permanently. All other ports are set to 1 by default but may be changed.

•• Acceptable Frame Type  Select the type of frame to accept, either All Frames (default) or Tagged Only.

•• Ingress Filtering  Select this option to enable ingress filtering. Ingress filtering allows only packets with VLAN IDs that are configured in the port’s membership table.. This option is not selected by default.

The following summarizes 802.1Q VLAN operation when a packet is received on a port:

1.If the packet has an 802.1Q tag, then go to step 3. If it does not have an 802.1Q tag, then continue to step 2.

2.If the Acceptable Frame Type field is set to Tagged Only, then the packet is dropped. Otherwise, an 802.1Q tag with the default VLAN ID is inserted.

3.If Ingress Filtering is disabled, then the frame is accepted.

4.If Ingress Filtering is enabled, then the membership table is checked to see if it contains the tag ID. If the ID is not found, the packet is dropped; otherwise the packet is accepted.

VLAN Membership Configuration  This is located on the bottom half of the page. You use these fields to create the VLAN membership table.

•• ID #  Enter the ID number of the VLAN to be created or modified. The valid range is 2 to 4095. Note that VLAN #1 is created by default and cannot be removed. By default all ports are part of VLAN #1 with membership status set to UnTag.

•• Port 1-6 For each VLAN ID to be created or modified, you can select the membership status for its ports from these drop-down menus. The default is Drop.

•• Drop  This port will not be part of the VLAN.

•• UnTag  This port will be part of the VLAN and frames will exit this port without an 802.1Q tag.

•• Tag  This port will be part of the VLAN and frames will exit this port with an 802.1Q tag.

•• Add/Modify Entry  After you have entered the VLAN ID # and selected the membership status for its ports, click Add/Modify Entry to add or modify the entry in the VLAN membership table.

•• Delete VLAN Entry  Select the VLAN(s) to be deleted and click Delete VLAN Entry to remove those entries.

Wireless-G Business Ethernet Bridge

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Linksys WET200 manual 802.1Q
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WET200 specifications

The Linksys WET200 Wireless-G Ethernet Bridge is designed for businesses looking to extend their network capabilities without the hassle of running Ethernet cables throughout their premises. This high-performance device effectively connects wired devices to a wireless network, providing businesses with efficient access to internet resources and network shares.

One of the standout features of the WET200 is its dual-functionality. It operates as both an Ethernet bridge and a wireless access point, allowing users to connect multiple wired devices, such as printers, servers, or computers, to a wireless network. This flexibility makes it an excellent choice for environments where network mobility is crucial, such as offices, retail establishments, and warehouses.

Another key characteristic of the Linksys WET200 is its support for Wireless-G technology, offering a maximum wireless speed of up to 54 Mbps. This ensures that data transfer between connected devices is quick and reliable while providing adequate bandwidth for various applications, including file sharing and streaming. The device also adheres to the IEEE 802.11b/g standard, which means it is compatible with a vast number of other wireless devices.

The WET200 features a simple setup process, aided by its web-based configuration interface. This user-friendly interface allows for easy management of networking settings, making it accessible for both novice and experienced users. Security is a significant consideration, and the WET200 includes robust encryption protocols such as WEP, WPA, and WPA2 to protect data transmission over the wireless network.

Moreover, the Ethernet Bridge is equipped with two 10/100 Ethernet ports, enabling connections to multiple wired devices simultaneously. Its compact design allows for easy placement in various locations, and the inclusion of LEDs provides users with real-time feedback on connectivity status.

Overall, the Linksys WET200 Wireless-G Ethernet Bridge stands out with its combination of performance, flexibility, and ease of use, making it an invaluable asset for businesses aiming to expand their wired network capabilities without compromising on performance or security. It's a smart solution for those who need to harness the power of wireless connectivity while ensuring that their critical wired devices remain connected to the network efficiently.
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