IP Configuration
IPv4 Management and Interfaces
Cisco 500 Series Stackable Managed Switch Administration Guide Release 1.3 288
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If a static IP address is used, configure the following fields.
• IP Address—Enter the IP address, and configure one of the following Mask 
fields:
- Network Mask—Select and enter the IP address mask.
- Prefix Length—Select and enter the length of the IPv4 address prefix.
• Administrative Default Gateway—Select User Defined and enter the 
default gateway IP address, or select None to remove the selected default 
gateway IP address from the interface. 
• Operational Default Gateway—Displays the current default gateway 
status. 
NOTE If the device is not configured with a default gateway, it cannot 
communicate with other devices that are not in the same IP subnet.
If a dynamic IP address is retrieved from the DHCP server, select those of the 
following fields that are enabled:
• Renew IP Address Now—The device dynamic IP address can be renewed 
any time after it is assigned by a DHCP server. Note that depending on your 
DHCP server configuration, the device might receive a new IP address after 
the renewal that requires setting the web-based configuration utility to the 
new IP address. 
• Auto Configuration via DHCP—Displays status of Auto Configuration 
feature. You can configure this from 
Administration
 > 
File Management
 > 
DHCP Auto Configuration
.
STEP  3 Click Apply. The IPv4 interface settings are written to the Running Configuration 
file.
Defining IPv4 Interface in Layer 3 System Mode 
The IPv4 Interface page is used when the device is in Layer 3 system mode. This 
mode enables configuring multiple IP addresses for device management, and 
provides routing services. 
The IP address can be configured on a port, a LAG, or VLAN interface.