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Catalyst 3750 Switch Command Reference
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Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
macro auto global processing
macro auto global processing
Use the macro auto global processing global configuration command to enable Auto Smartports
macros on the switch. Use the no form of this command to disable Auto Smartports macros.
macro auto global processing [cdp-fallback]
no macro auto global processing [cdp-fallback]
Syntax Description
Defaults Auto Smartports is disabled.
Command Modes Global configuration
Command History
Usage Guidelines Use the macro auto global processing global configuration command to globally enable Auto
Smartports macros on the switch. To disable Auto Smartports macros on a specific port, use the no
macro auto processing command in the interface mode.
Auto Smartports macros dynamically configure ports based on the device type detected on the port.
When the switch detects a new device on a port it applies the appropriate Auto Smartports macro on the
port. When there is a link-down event on the port, the switch removes the macro. For example, when
you connect a Cisco IP phone to a port, Auto Smartports automatically applies the IP phone macro. The
IP phone macro enables quality of service (QoS), security features, and a dedicated voice VLAN to
ensure proper treatment of delay-sensitive voice traffic.
Auto Smartports uses event triggers to map devices to macros. The most common event triggers are
based on Cisco Discovery Protocol (CDP) messages received from connected devices. The detection of
a device invokes a CDP event trigger: Cisco IP phone, Cisco wireless access point, Cisco switch, or
Cisco router. Other event triggers use MAC authentication bypass (MAB) and 802.1x authentication
messages.
If authentication is enabled on a port, the switch ignores CDP messages unless the cdp-fallback
keyword is enabled.
When using 802.1x or MAB authentication, configure the RADIUS server to support the Cisco
attribute-value (av) pair auto-smart-port=event trigger.
When CDP-identified devices advertise multiple capabilities, the switch chooses a capability in this
priority order: switch, router, access point, lightweight access point, phone, host.
To verify that an Auto Smartports macro is applied to an interface, use the show running config user
EXEC command.
cdp-fallback (Optional) Use the Cisco Discovery Protocol (CDP) capability information
if port authentication is enabled and the RADIUS server does not send an
event trigger.
Release Modification
12.2(50)SE This command was introduced.
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