Cisco Cisco Firepower Management Center 4000

Select 

 to display the Information page, then click 

.

The Network page appears.

Specify your management network protocol, as well as basic network settings for each protocol. Under 
IPv4 and IPv6, select one of:

disables the protocol. Do not disable both IPv4 and IPv6.

 (IPv4 and IPv6)

retrieves network settings from a DHCP server.

 (IPv6 only)

retrieves network settings from a local IPv6 router.

allows you to manually specify network settings. For IPv4, you must set the management 

IP address and netmask in dotted decimal form (for example: a netmask of 255.255.0.0). For IPv6, 
you must set the address in colon-separated hexadecimal form and the number of bits in the prefix 
(for example: a prefix length of 112). 

Under 

, specify network settings that do not depend on the management network protocol.

You can specify up to three DNS servers, as well as the host name and domain for the appliance. Note 
that if you selected 

 in the previous step, you cannot manually specify these shared settings. You 

can also change the management interface MTU and the management port. For more information, see 

Optionally, under 

, configure the appliance to access the Internet 

using a proxy. Select 

, then:

Enter the IP address or fully qualified domain name of your proxy server in the 

 field. 

Enter the port in the 

 field. 

Optionally, supply authentication credentials by selecting 

 then providing a 

 and 

.

Optionally, on Series 3 devices, under 

, select the 

 check 

box to enable changing network settings using the device’s LCD panel.

Allowing reconfiguration using the LCD panel can present a security risk. You need only physical 
access, not authentication, to configure network settings using the LCD panel. The web interface warns 
you that enabling this option is a potential security issue.

When you are finished configuring the appliance’s network settings, click 

.

The network settings are changed. If you changed the appliance’s hostname, the new name is not 
reflected in the syslog until after you reboot the appliance.

Any

You can use the Management Interface page to modify the default settings for each management 
interface on your Defense Center. Any changes you make to the Auto Negotiate value are ignored for 
Gigabit interfaces. Note that you can also configure management interfaces for a managed device from 
the managing device; see 

.