Cisco Cisco Firepower Management Center 4000

Optionally, from the 

 drop-down list, select an existing virtual switch or select 

 to add 

a new virtual switch.

Note that if you add a new virtual switch, you must configure it on the Virtual Switches tab of the Device 
Management page (

) after you set up the switched interface. 

See 

Select the 

 check box to allow the switched interface to handle traffic.

If you clear the check box, the interface becomes disabled so that users cannot access it for security 
purposes.

From the 

 drop-down list, select an option to designate the link mode or select 

 to 

specify that the interface is configured to auto negotiate speed and duplex settings. Note that mode 
settings are available only for copper interfaces.

Interfaces on 8000 Series appliances do not support half-duplex options.

From the 

 drop-down list, select an option to designate whether the interface is configured for 

MDI (medium dependent interface), MDIX (medium dependent interface crossover), or Auto-MDIX. 
Note that MDI/MDIX settings are available only for copper interfaces.

By default, MDI/MDIX is set to Auto-MDIX, which automatically handles switching between MDI and 
MDIX to attain link.

In the 

 field, type a maximum transmission unit (MTU), which designates the largest size packet 

allowed.

The range within which you can set the MTU can vary depending on the FireSIGHT System device 
model and interface type. See 

 for more information.

Click 

.

The physical switched interface is configured. Note that your changes do not take effect until you apply 
the device configuration; see 

 for more information.

Control

Series 3

For each physical switched interface, you can add multiple logical switched interfaces. You must 
associate each logical interface with a VLAN tag to handle traffic received by the physical interface with 
that specific tag. You must assign a logical switched interface to a virtual switch to handle traffic.

Any changes you make to the maximum transmission unit (MTU) interrupts switched traffic on the 
device and packets are dropped.

To edit an existing logical switched interface, click the edit icon (

) next to the interface.

Admin/Network Admin