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32369 manual show ip dhcp database, Related Commands, Cisco IOS DHCP Server
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Command Reference
Defaults
service dhcp
netbios-name-server
timeout seconds
Feature Overview
Page 27
Image 27
ip dhcp database
Related Commands
show ip dhcp database
Cisco IOS DHCP Server
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Contents
Cisco IOS DHCP Server
Feature Overview
Supported Platforms
Benefits
Supported Standards, MIBs, and RFCs
RFC 951, Bootstrap Protocol BOOTP
RFC 1542, Clarifications and Extensions for the Bootstrap Protocol
RFC 2132, DHCP Options and BOOTP Vendor Extensions
DHCP Configuration Task List
Prerequisites
timeout seconds write-delay seconds
Configuring a DHCP Database Agent or Disabling DHCP Conflict Logging
Excluding IP Addresses
Configuring a DHCP Address Pool
6 Release 12.01T
Configuring the DHCP Address Pool Subnet and Mask
Configuring the Domain Name for the Client
Configuring the Domain Name System IP Servers for the Client
Configuring the Address Lease Time
Configuring the NetBIOS Node Type for the Client
Configuring the Default Router for the Client
Configuring Manual Bindings
Configuring a DHCP Server Boot File
Configuring the Number of Ping Packets
8 Release 12.01T
Configuring the Timeout Value for Ping Packets
Enabling the Cisco IOS DHCP Server Feature
Monitoring and Maintaining the DHCP Server
Configuration Examples
DHCP Database Agent Configuration Example
DHCP Address Pool Configuration Example
Manual Bindings Configuration Example
Manual Bindings Configuration Example
ip dhcp ping packets ip dhcp ping timeout ip dhcp pool
Command Reference
bootfile clear ip dhcp binding clear ip dhcp conflict
default-router dns-server domain-name hardware-address host
show atm vc begin PeakRate
command begin include exclude regular-expression
Related Commands
bootfile
Defaults
Command Modes
Clears all automatic bindings
clear ip dhcp binding
clear ip dhcp binding address
address
Clears all address conflicts
clear ip dhcp conflict
clear ip dhcp conflict address
want to clear
Related Commands
clear ip dhcp server statistics
clear ip dhcp server statistics
Command Modes
hardware-address host ip dhcp pool
client-identifier
client-identifier unique-identifier no client-identifier
unique-identifier
client name should not include the domain name. For example, the
client-name
client-name name no client-name
name
Specifies the IP address of a router. One IP address is required
default-router
default-router address address2 ... address8
no default-router
Specifies the IP address of a DNS server. One IP address is required
dns-server
dns-server address address2 ... address8
no dns-server
dns-server ip dhcp pool
domain-name
domain-name domain no domain-name
domain
hardware-address
hardware-address
hardware-address hardware-address type
no hardware-address
Specifies the IP address of the client
host
host address mask /prefix-length
no host
clear ip dhcp conflict ip dhcp database show ip dhcp conflicts
ip dhcp conflict logging
Example
ip dhcp conflict logging no ip dhcp conflict logging
updates. By default, DHCP waits 300 seconds 5 minutes before
ip dhcp database url timeout seconds write-delay seconds
timeout seconds
timeout period are aborted. By default, DHCP waits 300 seconds
Cisco IOS DHCP Server
show ip dhcp database
Related Commands
ip dhcp database
low-address
ip dhcp excluded-address
ip dhcp excluded-address low-address high-address
no ip dhcp excluded-address low-address high-address
ip dhcp ping packets count no ip dhcp ping packets
address to a requesting client. The default value is two packets
clear ip dhcp conflicts ip dhcp ping timeout show ip dhcp conflicts
ip dhcp ping packets
10 seconds. The default timeout is 500 milliseconds
ip dhcp ping timeout
ip dhcp ping timeout milliseconds no ip dhcp ping timeout
assignment. The maximum timeout is 10000 milliseconds
host ip dhcp excluded-address network DHCP
ip dhcp pool
ip dhcp pool name no ip dhcp pool name
such as
Defaults
ip dhcp relay information check
ip dhcp relay information check no ip dhcp relay information check
ip dhcp relay information option ip dhcp relay information policy
Defaults
ip dhcp relay information option
ip dhcp relay information option no ip dhcp relay information option
ip dhcp relay information check ip dhcp relay information policy
drop
ip dhcp relay information policy
ip dhcp relay information policy drop keep replace
no ip dhcp relay information policy
days
lease
lease days hoursminutes infinite
no lease
Specifies the IP address of the NetBIOS WINS name server
netbios-name-server
netbios-name-server address address2...address8
no netbios-name-server
Defaults
netbios-node-type
netbios-node-type type no netbios-node-type
ip dhcp pool netbios-name-server
network-number
network DHCP
network network-number mask /prefix-length
no network
next-server address address2...address8
one command line
bootfile ip dhcp pool ip helper-address option
next-server
code
option
option code instance number ascii string hex string ip address
no option code instance number
Cisco IOS DHCP Server
Related Commands
ip dhcp pool
option
Command Modes
service dhcp
service dhcp no service dhcp
Defaults
bindings will be displayed
show ip dhcp binding
show ip dhcp binding address
Optional Specifies the IP address of the DHCP client for which
44 Release 12.01T
clear ip dhcp binding
Related Commands
Command Reference
Defaults
clear ip dhcp conflict ip dhcp ping packets ip dhcp ping timeout
show ip dhcp conflict
show ip dhcp conflict address
Command Modes
show ip dhcp database
show ip dhcp database url
Defaults
show ip dhcp database Field Descriptions continued
ip dhcp database
Related Commands
show ip dhcp database
Syntax Description
show ip dhcp server statistics
Defaults
Command Modes
show ip dhcp server statistics Field Descriptions
Related Commands
clear ip dhcp server statistics
show ip dhcp server statistics
50 Release 12.01T
Debug Commands
debug ip dhcp server
Debug Commands
linkage
debug ip dhcp server
events
packets
Glossary