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Dynamic Host Configuration Protocol (DHCP)
Managing and Troubleshooting the DHCP Server
Managing and Troubleshooting the
DHCP Server
As you troubleshoot DHCP functions, you will enter show and debug com-
mands. You can enter these commands either from the enable mode context
or from configuration mode contexts. If you enter one of these commands
from a configuration mode context, you must add do to the command. For
example:
ProCurve(config-dhcp)# do show ip dhcp-server binding
Viewing DHCP Client Bindings
The ProCurve Secure Router stores a table of DHCP bindings. In this table,
you can view the IP addresses for all active DHCP clients served by the router.
This can be helpful for troubleshooting. For example, you can ping a work-
station to see if it can respond. Or you can zero-in on a host that is flooding a
network with messages.
To view the bindings for all DHCP clients supported by the router, enter:
ProCurve# show ip dhcp-server binding
The table displays:
■ IP Address—the committed IP address
■ Client ID—usually a MAC address
■ Lease Expiration—date and time the lease for the address expires
■ Client Name—the user-selected name on the computer or device
Figure 13-5 shows an example of the information that displays when you enter
the show ip dhcp-server binding command.
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