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Dhcpv4 (Dhcpv4 Message Format (Operation Code, Hardware Type, Hardware…
Dhcpv4
Dhcpv4 Message Format
Operation Code
Hardware Type
Hardware Address Length
Transaction Identifier
Seconds
Flags
Client IP address
Your IP address
Server IP address
Gateway Ip address
Client Hardware Address
Server name
Boot filename
Dhcp Options
Dhcpv4 Discover and Offer Messages
configuring router as DHCPv4 Server
1.excluding ipv4 addresses
ip dhcp excluded-address
2.configuring a DHCPv4 pool
ip dhcp pool -pool-name
3.network statement
default-router
dns-server
domain-name
Dhcpv4 Operation
lease origination
Dhcp Discover1
Dhcp Offer2
Dhcp Request3
Dhcp Ack5
lease renewal
Dhcp request1
Dhcp Ack2
verifying DHCPv4
show ip dhcp binding
show ip dhcp server statistics
Dhcpv4 Relay
on router
ip helper-address
on pc
ipconfig /release
ipconfig /renew
Disabling Dhcpv4
No service dhcp