Quick Reference Guide

802.1x Commands 545
DELL CONFIDENTIAL – PRELIMINARY 5/15/12 – FOR PROOF ONLY
dot1x multiple-hosts
The dot1x multiple-hosts Interface Configuration mode command enables multiple hosts (clients)
on an 802.1X-authorized port, where the authorization state of the port is set to auto. Use the no
form of this command to return to the default configuration.
Syntax
• dot1x multiple-hosts
• no dot1x multiple-hosts
Default Configuration
Multiple hosts are disabled.
Command Mode
Interface Configuration (Ethernet) mode.
User Guidelines
• This command enables the attachment of multiple clients to a single 802.1X-enabled port. In this
mode, only one of the attached hosts must be successfully authorized for all hosts to be granted
network access. If the port becomes unauthorized, all attached clients are denied access to the
network.
• For unauthenticated VLANs, multiple hosts are always enabled.
• Multiple-hosts must be enabled to enable port security on the port.
Examples
The following command enables multiple hosts (clients) on an 802.1X-authorized port.
dot1x single-host-violation
The dot1x single-host-violation Interface Configuration mode command configures the action to
be taken, when a station whose MAC address is not the supplicant MAC address, attempts to access
the interface. Use the no form of this command to return to default.
Syntax
• dot1x single-host-violation { forward | discard | discard-shutdown } [ trap seconds ]
• no port dot1x single-host-violation
• forward — Forwards frames with source addresses that are not the supplicant address, but
does not learn the source addresses.
•
discard — Discards frames with source addresses that are not the supplicant address.
Console(config-if)# dot1x multiple-hosts