CHAPTER
4-1
Cisco Security Appliance Command Line Configuration Guide
OL-10088-01
4
Configuring Switch Ports and VLAN Interfaces
for the Cisco ASA 5505 Adaptive Security
Appliance
This chapter describes how to configure the switch ports and VLAN interfaces of the ASA 5505 adaptive
security appliance.
Note To configure interfaces of other models, see Chapter 5, “Configuring Ethernet Settings and
Subinterfaces,” and Chapter 7, “Configuring Interface Parameters.”
This chapter includes the following sections:
• Interface Overview, page 4-1
• Configuring VLAN Interfaces, page 4-5
• Configuring Switch Ports as Access Ports, page 4-9
• Configuring a Switch Port as a Trunk Port, page 4-11
• Allowing Communication Between VLAN Interfaces on the Same Security Level, page 4-13
Interface Overview
This section describes the ports and interfaces of the ASA 5505 adaptive security appliance, and includes
the following topics:
• Understanding ASA 5505 Ports and Interfaces, page 4-2
• Maximum Active VLAN Interfaces for Your License, page 4-2
• Default Interface Configuration, page 4-3
• VLAN MAC Addresses, page 4-4
• Power Over Ethernet, page 4-4
• Security Level Overview, page 4-5
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