Hi Irena,
I followed that doc too.
However, I ignored the following under "3. Configure the DHCP server according to the following guidelines" as the link is broken. Can you please update the doc with a valid link. Maybe this link can help me.
For additional information refer to:
http://docs.openstack.org/trunk/openstack-network/admin/content/adv_cfg_dhcp_agent.html
^^^^^
This link is broken
Thanks!