Cisco Systems 32369 manual Show ip dhcp conflict, Router show ip dhcp conflict

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show ip dhcp conflict

show ip dhcp conflict

To display address conflicts found by a Cisco IOS Dynamic Host Configuration Protocol (DHCP) Server when addresses are offered to the client, use the show ip dhcp conflict EXEC command.

show ip dhcp conflict [address]

Syntax Description

address

(Optional) Specifies the IP address of the conflict found.

Defaults

None

Command Modes

EXEC

Usage Guidelines

This command first appeared in Cisco IOS Release 12.0(1)T.

The server detects conflicts using ping. The client detects conflicts using gratuitous Address Resolution Protocol (ARP). If an address conflict is detected, the address is removed from the pool and the address will not be assigned until an administrator resolves the conflict.

Examples

The following example displays the detection method and detection time for all IP addresses the DHCP server has offered that have conflicts with other devices. Table 3 lists descriptions of the fields in the example.

Router> show ip dhcp conflict

IP address

Detection Method

Detection time

172.16.1.32

Ping

Feb

16 1998

12:28 PM

172.16.1.64

Gratuitous ARP

Feb

23 1998

08:12 AM

Table 3

show ip dhcp conflict Field Descriptions

 

 

Field

Description

 

 

IP Address

The IP address of the host as recorded on the DHCP server.

 

 

Detection Method

The manner in which the IP address of the hosts were found

 

on the DHCP server. Can be a ping or a gratuitous ARP.

 

 

Detection time

The time when the conflict was found.

 

 

Related Commands

clear ip dhcp conflict ip dhcp ping packets ip dhcp ping timeout

Cisco IOS DHCP Server 45

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Contents Cisco IOS Dhcp Server Feature OverviewSupported Platforms BenefitsRFCs Supported Standards, MIBs, and RFCsDhcp Configuration Task List PrerequisitesConfiguring a Dhcp Address Pool Excluding IP AddressesConfiguring the Dhcp Address Pool Subnet and Mask Configuring Manual Bindings Configuring the NetBIOS Node Type for the ClientConfiguring the Number of Ping Packets Configuring a Dhcp Server Boot FileConfiguring the Timeout Value for Ping Packets Enabling the Cisco IOS Dhcp Server FeatureMonitoring and Maintaining the Dhcp Server Configuration Examples Dhcp Database Agent Configuration ExampleDhcp Address Pool Configuration Example Manual Bindings Configuration Example Manual Bindings Configuration ExampleCommand Reference Show atm vc begin PeakRate Bootfile Clear ip dhcp binding Clear ip dhcp conflict Clear ip dhcp server statistics Unique-identifier Client-identifierClient-name Default-router Dns-server Domain-name Type Hardware-addressHost Example Ip dhcp conflict loggingIp dhcp database Timeout secondsIp dhcp database Ip dhcp excluded-address Ip dhcp ping packets Ip dhcp ping timeout Ip dhcp pool Ip dhcp relay information check Ip dhcp relay information option Drop Ip dhcp relay information policyLease Netbios-name-server Netbios-node-type Network Dhcp Next-server Ascii string OptionOption Service dhcp Router show ip dhcp binding Show ip dhcp bindingRelated Commands Router show ip dhcp conflict Show ip dhcp conflictUrl Show ip dhcp databaseShow ip dhcp database Router show ip dhcp server statistics Show ip dhcp server statisticsClear ip dhcp server statistics Debug Commands Router# debug ip dhcp server linkage Debug ip dhcp serverGlossary

32369 specifications

Cisco Systems 32369 is a key networking device designed to enhance the performance and reliability of enterprise networks. This model is part of Cisco's extensive line of products, specifically tailored for small to medium-sized businesses seeking to optimize their network infrastructure.

One of the standout features of Cisco Systems 32369 is its scalability. The device supports a range of network sizes, allowing businesses to expand their operations without the need for a complete network overhaul. This scalability is advantageous as it accommodates growth and adapts to changing demands.

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The device is equipped with advanced security features, which are critical for safeguarding sensitive information. Cisco Systems incorporates robust firewall options and VPN support, enabling secure remote access for users. These security measures help to protect against unauthorized access and ensure data integrity, making it suitable for industries where compliance is paramount.

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In conclusion, Cisco Systems 32369 represents a robust networking solution characterized by scalability, security, performance optimization, user-friendliness, and energy efficiency. It is well-suited for businesses looking to establish a solid foundation for their network infrastructure while preparing for future growth and technological advancements.