1. Config
Example in /etc/rc.d/rc.inet1.conf:
IFNAME[0]="eth0"
USE_DHCP[0]="yes"
2. Start
/etc/rc.d/rc.inet1 restart
3. Verify
ip addr show eth0
4. Logs
grep DHCP /var/log/syslog
Quick checklist
[ ] Steps completed
[ ] Config updated
[ ] Service tested
[ ] Restart/rollback ready
[ ] Logs checked