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CCNP SWITCH Portable Command Guide: Implementing Inter-VLAN Routing

  • Sample Chapter is provided courtesy of Cisco Press.
  • Date: Apr 6, 2010.

Verifying and Troubleshooting DHCP Configuration

Router#show ip dhcp binding

Displays a list of all bindings created.

Router#show ip dhcp binding w . x . y . z

Displays the bindings for a specific DHCP client with an IP address of w.x.y.z.

Router#clear ip dhcp binding a . b . c . d

Clears an automatic address binding from the DHCP server database.

Router#clear ip dhcp binding *

Clears all automatic DHCP bindings.

Router#show ip dhcp conflict

Displays a list of all address conflicts recorded by the DHCP server.

Router#clear ip dhcp conflict a.b.c.d

Clears address conflict from the database.

Router#clear ip dhcp conflict *

Clears conflicts for all addresses.

Router#show ip dhcp database

Displays recent activity on the DHCP database.

Router#show ip dhcp server statistics

Displays a list of the number of messages sent and received by the DHCP server.

Router#clear ip dhcp server statistics

Resets all DHCP server counters to 0.

Router#debug ip dhcp server {events | packets | linkage | class }

Displays the DHCP process of addresses being leased and returned.
7. Configuring a DHCP Helper Address | Next Section Previous Section

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