Cisco Catalyst 4500 Series Configuration Manual page 284

dual-active fast-hello (virtual switch)
dual-active fast-hello (virtual switch)
To enable an interface to be a fast hello dual-active messaging link, use the dual-active detection
command in interface configuration mode. To disable dual-active detection on an interface, use the no
form of this command.
Syntax Description
This command has no arguments or keywords.
Command Default
Fast hello dual-active detection is disabled on all interfaces by default.
Command Modes Interface configuration mode (config-if)
Command History Release
Release IOS XE
3.5.0E and IOS
15.2(1)SG
Usage Guidelines This command automatically removes all other configuration from the interface and restricts the
interface to dual-active configuration commands.
Examples The following example shows how to configure an interfaceas a fast hello dual-active messaging link:
Router(config)# switch virtual domain domain-id
Router (config-vs-domain)# dual-active detection fast-hello
Router (config-vs-domain)# exit
Router(config)# interface fastethernet 1/2/40
Router(config-if)# dual-active fast-hello
WARNING: Interface FastEthernet1/2/40 placed in restricted config mode. All extraneous
configs removed!
Router(config-if)# no shutdown
Related Commands Command
dual-active detection
(virtual switch)
show switch virtual
(virtual switch)
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release XE 3.9.xE and 15.2(5)Ex
2-246
dual-active fast-hello
no dual-active fast-hello
Modification
This command was introduced on the Catalyst 4500 series switch.
Description
Configure dual-active detection on the virtual switch.
Displays information about dual-active detection configuration and status.
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
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