OmniSwitch AOS Release 7 Network Configuration Guide June 2013 page 4-1
4 Configuring VLANs
In a flat bridged network, a broadcast domain is confined to a single LAN segment or even a specific
physical location, such as a department or building floor. In a switch-based network, such as one
comprised of Alcatel-Lucent switching systems, a broadcast domain, or VLAN can span multiple
physical switches and can include ports from a variety of media types. For example, a single VLAN could
span three different switches located in different buildings and include a variety of Ethernet port configu-
rations, such as 802.1q tagged VLAN member ports and/or a link aggregate of ports.
In This Chapter
This chapter describes how to define and manage VLAN configurations through the Command Line
Interface (CLI). CLI commands are used in the configuration examples; for more details about the syntax
of commands, see the OmniSwitch CLI Reference Guide.
Configuration procedures described in this chapter include:
• “Creating/Modifying VLANs” on page 4-4.
• “Assigning Ports to VLANs” on page 4-6.
• “Enabling/Disabling Spanning Tree for a VLAN” on page 4-9.
• “Enabling/Disabling Source Learning” on page 4-9.
• “Configuring VLAN IP Interfaces” on page 4-10.
• “Bridging VLANs Across Multiple Switches” on page 4-11.
• “Verifying the VLAN Configuration” on page 4-13.
For information about Spanning Tree, see Chapter 6, “Configuring Spanning Tree Parameters.”
For information about routing, see Chapter 15, “Configuring IP.”
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