Configuring IP Addressing
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Default Addressing Configuration
Table 40-1
Default Addressing Configuration
Feature
IP address
ARP
IP broadcast address
IP classless routing
IP default gateway
IP directed broadcast
IP domain
IP forward-protocol
IP helper address
IP host
IRDP
IP proxy ARP
IP routing
IP subnet-zero
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
40-6
Configuring Address Resolution Methods, page 40-9
Routing Assistance When IP Routing is Disabled, page 40-12
Configuring Broadcast Packet Handling, page 40-14
Monitoring and Maintaining IP Addressing, page 40-18
Default Setting
None defined.
No permanent entries in the Address Resolution Protocol (ARP) cache.
Encapsulation: Standard Ethernet-style ARP.
Timeout: 14400 seconds (4 hours).
255.255.255.255 (all ones).
Enabled.
Disabled.
Disabled (all IP directed broadcasts are dropped).
Domain list: No domain names defined.
Domain lookup: Enabled.
Domain name: Enabled.
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.
Spanning Tree Protocol (STP): Disabled.
Turbo-flood: Disabled.
Disabled.
Disabled.
Disabled.
Defaults when enabled:
Broadcast IRDP advertisements.
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Maximum interval between advertisements: 600 seconds.
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Minimum interval between advertisements: 0.75 times max interval
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Preference: 0.
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Enabled.
Disabled.
Disabled.
Chapter 40
Configuring IP Unicast Routing
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