Troubleshooting DHCP
In this section, you will get acquainted with some of the possible scenarios ofproblemsthat may occur in DHCP.
Troubleshooting DHCPv4
To troubleshoot DHCPv4, use the show
and debug
commands to determine and correct the network connectivity issues:
Router# show run interface <interface-ID> Router# debug ip dhcp server events
Troubleshooting DHCPv6
It is important to understand IPv6 address groups and how they are used when troubleshooting a network. In that regard, to troubleshoot DHCPv6,use the service ipv6
command to determine and correct the network connectivity issues:
Router(config)# service dhcpv6
Note
You can learn more about understanding and troubleshooting DHCP in Catalyst Switch or Enterprise Networks from https://www.cisco.com/c/en/us/support/docs/ip/dynamic-address-allocation-resolution/27470-100.html.