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Module 2: Advanced IP Addressing Management
 
2.3.1 Variable-Length Subnet Masks

Router(config)#ip subnet-zero

 

2.3.2 Classless and Classful Routing Protocols

Router(config)#router rip
Router(router-config)#version 2

 

2.5.2 Discontiguous Subnets

Router(config-router)#no auto-summary

 

2.6.1 Using IP Unnumbered

Router(config-if)#ip unnumbered type number
 

2.7.3 Configuring IOS DHCP Server

Router(config)#ip dhcp excluded-address start-ip-add end-ip-add
Router(config)#ip dhcp pool pool-name


DHCP Server Commands:
Router(config)#service dhcp
Router(config-dhcp)#network network-number [mask | /prefix-length]
Router(config-dhcp)#default-router address [address2...address8]
Router(config-dhcp)#dns-server address [address2...address8]
Router(config-dhcp)#domain-name domain
Router(config-dhcp)#lease [days [hours][minutes] | infinite}
Router(config-dhcp)#netbios-name-server address [address2...address8]

Commands for Monitoring DHCP:
Router#show ip dhcp binding [address]
Router#show ip dhcp conflict [address]
Router#show ip dhcp database [url]
Router#show ip dhcp server statistics

 

2.8.2 Configuring IP Helper Addresses

Router(config-if)#ip helper-address address
Router(config)#ip forward-protocol {udp [port] | nd | sdns}

 

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