Cisco Broadband Cable Command Reference Guide

Chapter 5 Cable CPE Commands
show dhcp
Syntax Description
Command Modes Privileged EXEC
Command History
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Cisco Broadband Cable Command Reference Guide
show dhcp
To display the current Dynamic Host Configuration Protocol (DHCP) settings on point-to-point
interfaces, use the show dhcp command in privileged EXEC mode.
Cisco uBR904, uBR905, uBR924, uBR925 cable access routers, Cisco CVA122 Cable Voice Adapter
show dhcp {lease | server}
lease Displays DHCP addresses leased from a server.
server Displays known DHCP servers.
Release Modification
11.3(4)NA This command was introduced for the Cisco uBR904 cable access router.
12.0(4)XI1 Support was added for the Cisco uBR924 cable access router.
12.1(3)XL Support was added for the Cisco uBR905 cable access router.
12.1(5)XU1 Support was added for the Cisco CVA122 Cable Voice Adapter.
12.2(2)XA Support was added for the Cisco uBR925 cable access router.
Usage Guidelines You can use this command on any point-to-point type of interface that uses DHCP for temporary IP
address allocation.
Examples The following is typical output from the show dhcp lease command:
Router# show dhcp lease
Temp IP addr: 188.188.1.40 for peer on Interface: cable-modem0
Temp sub net mask: 0.0.0.0
DHCP Lease server: 4.0.0.32, state: 3 Bound
DHCP transaction id: 2431
Lease: 3600 secs, Renewal: 1800 secs, Rebind: 3150 secs
Temp default-gateway addr: 188.188.1.1
Next timer fires after: 00:58:01
Retry count: 0 Client-ID: 0010.7b43.aa01
Router#
Table 5-24 describes the fields shown in the display.
Table 5-24 show dhcp lease Field Descriptions
Field Description
Temp IP addr IP address leased from the DHCP server for the cable interface.
Temp subnet mask Temporary subnet mask assigned to the cable interface.
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