BSD Links · New Links · Advocacy · Drivers · Events · Flavours · FAQs · Guides · Programming · Security · Software · User Groups

This is the BSDA Study Guide Book written via a wiki collaboration. This is a work in progress. You may contribute to or discuss this specific page at http://bsdwiki.reedmedia.net/wiki/View_and_renew_a_DHCP_lease.html. View and renew a DHCP lease Concept An admin should have a basic understanding of DHCP leases and how to configure a client to override the settings received from a DHCP server. In addition, be able to view the current lease, release it and renew a lease. Since the DHCP client used varies, be familiar with using the DCHP client commands on each BSD. Introduction dhclient: Dynamic Host Configuration Protocol (DHCP) client dhclient.leases: DHCP client lease database dhclient.conf: DHCP client configuration file dhcp-options(5): DHCP configuration options files: /etc/dhclient.conf /sbin/dhclient /sbin/dhclient-script /var/db/dhclient.leases configure a client to override the settings received from a DHCP server: use require or supersede options in dhclient.conf view the current lease (FreeBSD?): less /var/db/dhclient.leases.if_name release the current lease: dhclient -r renew a lease: dhclient ifname Examples Practice Exercises More information dhclient(8), dhclient.leases(5), dhclient.conf(5), rc.conf(5)