Objective

VLAN Creation on a switch allows you to make separate broadcast domains on a switch. The broadcast domains can associate with one another with the help of a Layer 3 device such as a router.  A VLAN is mainly used to form groups among the hosts regardless of where the hosts are physically present. Thus, a VLAN improves security with the help of group formation among the hosts. When you create a VLAN, it has no effect until the VLAN is attached to at least one port either manually or dynamically.

This article explains how to create a new VLAN and assign ports to it on the Sx500 Series Stackable Switches.

Applicable Devices

- Sx500 Series Stackable Switches

Software Version

- 1.3.0.62

Steps to Create a VLAN

VLAN Creation requires two configurations to be completed. The first is the creation of the VLAN and the second is assigning ports to the VLAN.

VLAN Creation

Step 1. Log in to the web configuration utility and choose VLAN Management > Create VLAN. The Create VLAN page opens:

Step 2. Click Add to add a new VLAN. The Add/Edit window appears.

Step 3. VLAN can be added in two different methods. Click the radio button that corresponds to the desired method:

- VLAN — Use this method to create a specific VLAN.

- Range — Use this method to create a range of VLANs.

Step 4. If VLAN is clicked in Step 3, enter the VLAN ID in the VLAN ID field.

Step 5. If VLAN is clicked in Step 3, enter the name for the VLAN in the VLAN Name field.

Step 6. If Range is clicked in Step 3, enter the range of the VLAN in the VLAN Range field.

Note: Only up to 100 VLANs can be created at a time.

Step 7. Click Apply.

Assign Ports to VLAN

Step 1. Log in to the web configuration utility and choose VLAN Management > Port VLAN Membership. The Port VLAN Membership page opens:

The Port VLAN Membership Table displays the following information:

- Interface — The name of the port or LAG.

- Mode — The VLAN mode for the interface.

– Trunk — This interface carries traffic for all VLANs.

– Access — This interface only carries traffic for specific VLAN.

- Administrative VLANs — The unique identifier of the VLAN to which the interface is attached.

- Operational VLANs — The unique identifier of the VLANs of which the interface is a member.

- LAG — The name of the LAG of which this port is a member. This field does not show up if you choose LAG in Step 2.

Step 2. Choose the type of interface you wish to add to the VLAN from the Filter drop-down list and click Go.

Step 3. Click the radio button next to the port or LAG you would like to assign to a VLAN.

Step 4. Click Join VLAN at the bottom of the page.

Step 5. (Optional) In the Interface field, click the radio button that corresponds with the type of interface you want to add to the VLAN. Then choose the specific interface from the appropriate drop-down list.

- Port — From the Unit/Slot and Port drop-down lists choose the port to configure. This will only affect the single port chosen.

- Lag — From the LAG drop down list; choose the LAG to configure. This will affect the group of ports defined in the LAG configuration.

Note: The Mode field displays the port VLAN mode that is chosen from VLAN Management > Interface Settings. Please refer to the article VLAN Interface Settings Configuration on Sx500 Series Stackable Switches for this configuration.

Note: All ports are assigned to the default VLAN (usually VLAN 1). This may appear in the Selected VLAN list if it is tagged, but it cannot be moved since the reverse is not possible.

Step 6. To assign a port to a VLAN, choose the VLAN ID from the left list in the Select VLAN field and click the > button.

Step 7. (Optional) To remove a port from a VLAN, choose the VLAN ID from the right list in the Select VLAN field and click the < button.

Step 8. Choose one of the following tagging/PVID options for the interface from the Tagging field.

Note: Generic Attribute Registration Protocol (GARP) VLAN Registration Protocol (GVRP) allows VLAN configuration information to be passed to other switches. This allows you to only configure one switch, and all your other switches are configured dynamically.

- Forbidden — The interface is not allowed to join the VLAN even from GVRP registration. If the port is not a member of any other VLAN, this option makes the port a part of internal VLAN 4095.

- Excluded — The interface is not a member of the VLAN. This is the default for all ports and LAGs. The port can join the VLAN through GVRP registration.

- Tagged — The port is tagged. This inserts the VLAN ID into packet headers so that when information is sent from switch to switch, the VLAN from which the packet originated can be identified. Information from untagged packets can occasionally be lost when it is transferred through a proxy or other switch that does not support VLAN tagging.

- Untagged — The port is untagged. Use this option when the switch is not connected to any other proxy or switch.

- Multicast TV VLAN — The interface can supply Multicast transmissions to Layer 2 subscribers but not replicate the Multicast transmissions for all VLANs.

- PVID — Port PVID is set to the VLAN. If the interface is in access mode or trunk mode, the switch makes the interface an untagged member of the VLAN. If the interface is in general mode, VLAN membership must be configured manually.

Step 9. Click Apply.

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