Configuring Dhcp Features; Default Dhcp Configuration - Cisco Catalyst 3560-X Software Configuration Manual
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Also See for Catalyst 3560-X:
- Command reference manual (1188 pages) ,
- Software configuration manual (1438 pages) ,
- Manual (276 pages)
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Configuring DHCP Features
When a stack merge occurs, all DHCP snooping bindings in the stack master are lost if it is no longer
the stack master. With a stack partition, the existing stack master is unchanged, and the bindings
belonging to the partitioned switches age out. The new master of the partitioned stack begins processing
the new incoming DHCP packets. For more information about switch stacks, see
Switch Stacks."
Configuring DHCP Features
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Default DHCP Configuration
Table 1-1
Feature
DHCP server
DHCP relay agent
DHCP packet forwarding address
Checking the relay agent information
DHCP relay agent forwarding policy
DHCP snooping enabled globally
DHCP snooping information option
DHCP snooping option to accept packets on
untrusted input interfaces
DHCP snooping limit rate
DHCP snooping trust
DHCP snooping VLAN
DHCP snooping MAC address verification
Catalyst 3750-X and 3560-X Switch Software Configuration Guide
1-8
Default DHCP Configuration, page 1-8
DHCP Snooping Configuration Guidelines, page 1-9
Configuring the DHCP Server, page 1-10
DHCP Server and Switch Stacks, page 1-10
Configuring the DHCP Relay Agent, page 1-11
Specifying the Packet Forwarding Address, page 1-11
Enabling DHCP Snooping and Option 82, page 1-12
Enabling DHCP Snooping on Private VLANs, page 1-14
Enabling the Cisco IOS DHCP Server Database, page 1-14
Enabling the DHCP Snooping Binding Database Agent, page 1-15
Default DHCP Configuration
3
Chapter 1
Configuring DHCP Features and IP Source Guard
Default Setting
Enabled in Cisco IOS software, requires
1
configuration
2
Enabled
None configured
Enabled (invalid messages are dropped)
Replace the existing relay agent information
Disabled
Enabled
Disabled
None configured
Untrusted
Disabled
Enabled
Chapter 1, "Managing
2
2
OL-25303-03
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Troubleshooting
