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Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide—Release 8.2GLX
78-15908-01
Chapter 3 Configuring the Switch IP Address and Default Gateway
Renewing and Releasing a DHCP-Assigned IP Address
Renewing and Releasing a DHCP-Assigned IP Address
If you are using DHCP for IP address assignment, you can perform either of these tasks:
• Renew—Renew the lease on a DHCP-assigned IP address.
• Release—Release the lease on a DHCP-assigned IP address.
To renew or release a DHCP-assigned IP address on the in-band (sc0) management interface, perform
one of these tasks in privileged mode:
This example shows how to renew the lease on a DHCP-assigned IP address:
Console> (enable) set interface sc0 dhcp renew
Renewing IP address...
Console> (enable) Sending DHCP packet with address: 00:90:0c:5a:8f:ff
<...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)
Task Command
Renew the lease on a DHCP-assigned IP address. set interface sc0 dhcp renew
Release the lease on a DHCP-assigned IP address. set interface sc0 dhcp release
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