C
HAPTER
4
| Configuring the Switch
Configuring Security
– 77 –
â–
Ready: The limit is not yet reached. This can be shown for all
Actions.
â–
Limit Reached: Indicates that the limit is reached on this port. This
state can only be shown if Action is set to None or Trap.
â–
Shutdown: Indicates that the port is shut down by the Limit Control
module. This state can only be shown if Action is set to Shutdown or
Trap & Shutdown.
◆ Re-open – If a port is shut down by this module, you may reopen it by
clicking this button, which will only be enabled if this is the case. For
other methods, refer to Shutdown in the Action section.
Note, that clicking the Reopen button causes the page to be refreshed,
so non-committed changes will be lost.
WEB INTERFACE
To configure port limit controls:
1. Click Configuration, Security, Network, Limit Control.
2. Set the system configuration parameters to globally enable or disable
limit controls, and configure address aging as required.
3. Set limit controls for any port, including status, maximum number of
addresses allowed, and the response to a violation.
4. Click Save.
Figure 26: Port Limit Control Configuration
CONFIGURING
AUTHENTICATION
THROUGH NETWORK
ACCESS SERVERS
Network switches can provide open and easy access to network resources
by simply attaching a client PC. Although this automatic configuration and
access is a desirable feature, it also allows unauthorized personnel to easily
intrude and possibly gain access to sensitive network data.
Use the Network Access Server Configuration page to configure IEEE
802.1X port-based and MAC-based authentication settings. The 802.1X
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