Cisco 500 Series - Page 348

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IP Configuration

IPv4 Management and Interfaces

Cisco 500 Series Managed Switch Administration Guide 346

Enter one of the following fields for the Loopback Mask:

- Network Mask—Enter the mask of the IPv4 address of the loopback

interface.

- Prefix Length—Enter the prefix length of the IPv4 address of the

loopback interface.

• 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, VLAN or loopback interface.

Operating in Layer 3 mode, the device routes traffic between the directly-

attached IP subnets configured on the device. The device continues to bridge

traffic between devices in the same VLAN. Additional IPv4 routes for routing to

non-directly attached subnets can be configured in the IPv4 Static Routes page.

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