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Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
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Chapter 32 Configuring IP Unicast Routing
Configuring IP Addressing
Configuring IP Addressing
A required task for configuring IP routing is to assign IP addresses to Layer 3 network interfaces to
enable the interfaces and allow communication with the hosts on those interfaces that use IP. These
sections describe how to configure various IP addressing features. Assigning IP addresses to the
interface is required; the other procedures are optional.
• Default Addressing Configuration, page 32-4
• Assigning IP Addresses to Network Interfaces, page 32-5
• Configuring Address Resolution Methods, page 32-7
• Routing Assistance When IP Routing is Disabled, page 32-10
• Configuring Broadcast Packet Handling, page 32-12
• Monitoring and Maintaining IP Addressing, page 32-17
Default Addressing Configuration
Table 32-1 shows the default addressing configuration.
Table 32-1 Default Addressing Configuration
Feature Default Setting
IP address None defined.
ARP No permanent entries in the Address Resolution Protocol (ARP) cache.
Encapsulation: Standard Ethernet-style ARP.
Timeout: 14400 seconds (4 hours).
IP broadcast address 255.255.255.255 (all ones).
IP classless routing Enabled.
IP default gateway Disabled.
IP directed broadcast Disabled (all IP directed broadcasts are dropped).
IP domain Domain list: No domain names defined.
Domain lookup: Enabled.
Domain name: Enabled.
IP forward-protocol If a helper address is defined or User Datagram Protocol (UDP) flooding is configured, UDP
forwarding is enabled on default ports.
Any-local-broadcast: Disabled.
Turbo-flood: Disabled.
IP helper address Disabled.
IP host Disabled.