Cisco WS-C6506 Software Manual page 70

Chapter 3 Configuring the Switch IP Address and Default Gateway
Renewing and Releasing a DHCP-Assigned IP Address
<...output truncated...>
This example shows how to release the lease on a DHCP-assigned IP address:
Console> (enable) set interface sc0 dhcp release
Releasing IP address...
Console> (enable) Sending DHCP packet with address: 00:90:0c:5a:8f:ff
Done
Console> (enable)
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
3-12
OL-8978-04