Reserved-Only - Cisco Catalyst 3560-X Command Reference Manual
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Also See for Catalyst 3560-X:
- Software configuration manual (1538 pages) ,
- Command reference manual (1244 pages) ,
- Manual (276 pages)
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Chapter 2
Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
reserved-only
Syntax Description
Defaults
Command Modes
Command History
Usage Guidelines
Examples
Related Commands
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Use the reserved-only DHCP pool configuration mode command to allocate only reserved addresses in
the Dynamic Host Configuration Protocol (DHCP) address pool. Use the no form of the command to
return to the default.
reserved-only
no reserved-only
This command has no arguments or keywords.
The default is to not restrict pool addresses
Privileged EXEC
Release
Modification
12.2(53)SE2
This command was introduced.
Entering the reserved-only command restricts assignments from the DHCP pool to preconfigured
reservations. Unreserved addresses that are part of the network or on pool ranges are not offered to the
client, and other clients are not served by the pool.
By entering this command, users can configure a group of switches with DHCP pools that share a
common IP subnet and that ignore requests from clients of other switches.
To access DHCP pool configuration mode, enter the ip dhcp pool name global configuration command.
This example shows how to configure the DHCP pool to allocate only reserved addresses:
Switch# config t
Enter configuration commands, one per line.
Switch(config)# ip dhcp pool test1
Switch(dhcp-config)# reserved-only
You can verify your settings by entering the show ip dhcp pool privileged EXEC command.
Command
show ip dhcp pool
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End with CNTL/Z.
Description
Displays the DHCP address pools.
Catalyst 3750-X and 3560-X Switch Command Reference
reserved-only
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