<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Verdana; font-size: 10pt; color: #000000'><span><br>192.168.2.21/24 means use 192.168.2.1 thru 192.168.254, ie. the last 8 bits define the network addresses. Have a read of this to explain fully http://www.techrepublic.com/article/ip-subnetting-made-easy/6089187<br><br>"The most important thing to know about chopping up a network is that you
can't arbitrarily pick the beginning and ending. The chopping must be
along clean binary divisions."</span><br><span id="0B1ED77E-E49A-11DC-8DCC-EBBB7F8F125B"><span name="x"></span><br></span><br><hr id="zwchr"><blockquote style="border-left:2px solid rgb(16, 16, 255);margin-left:5px;padding-left:5px;"><b>From: </b>"Iftakhul Anwar" <anwar@meruvian.org><br><b>To: </b>openstack@lists.launchpad.net<br><b>Sent: </b>Friday, 21 September, 2012 5:35:26 AM<br><b>Subject: </b>[Openstack] <ask> Specify starting Ip dchp Openstack<br><br>Hi All,<div><br></div><div>I've intalled openstack essex on ubuntu 12.04 successfully.But i get confuse about dhcp configuration.i'm running on network <a href="http://192.168.2.0.my" target="_blank">192.168.2.0.my</a> eth0 have ip 192.168.2.20.</div>
<div> I use float ip=<a href="http://192.168.2.21/24" target="_blank">192.168.2.21/24</a> then fixed ip range = <a href="http://172.16.1.30/16" target="_blank">172.16.1.30/16</a>.</div><div><br></div><div>Actually everything running well, i can running instance, accessing instance from ip which get from dhcp.But my dhcp start from 192.168.2.1. i want my dhcp start from 192.168.2.23.</div>
<div><br></div><div>what should i do to solve this issue ?</div><div><br></div><div><br></div><div>this is my nova.conf</div><div><br></div><div><div><br></div><div><b>--dhcpbridge_flagfile=/etc/nova/nova.conf</b></div><div>
<b>--dhcpbridge=/usr/bin/nova-dhcpbridge</b></div><div><b>--logdir=/var/log/nova</b></div><div><b>--state_path=/var/lib/nova</b></div><div><b>--lock_path=/var/lock/nova</b></div><div><b>--allow_admin_api=true</b></div><div>
<b>--use_deprecated_auth=false</b></div><div><b>--auth_strategy=keystone</b></div><div><b>--scheduler_driver=nova.scheduler.simple.SimpleScheduler</b></div><div><b>--s3_host=192.168.2.20</b></div><div><b>--ec2_host=192.168.2.20</b></div>
<div><b>--rabbit_host=192.168.2.20</b></div><div><b>--cc_host=192.168.2.20</b></div><div><b>--nova_url=<a href="http://192.168.2.20:8774/v1.1/" target="_blank">http://192.168.2.20:8774/v1.1/</a></b></div><div><b>--routing_source_ip=192.168.2.20</b></div>
<div><b>--glance_api_servers=<a href="http://192.168.2.20:9292" target="_blank">192.168.2.20:9292</a></b></div><div><b>--image_service=nova.image.glance.GlanceImageService</b></div><div><b>--iscsi_ip_prefix=192.168.22</b></div><div><b>--sql_connection=mysql://<a href="http://nova:f00bar@127.0.0.1/nova" target="_blank">nova:f00bar@127.0.0.1/nova</a></b></div>
<div><b>--ec2_url=<a href="http://192.168.2.20:8773/services/Cloud" target="_blank">http://192.168.2.20:8773/services/Cloud</a></b></div><div><b>--keystone_ec2_url=<a href="http://192.168.2.20:5000/v2.0/ec2tokens" target="_blank">http://192.168.2.20:5000/v2.0/ec2tokens</a></b></div>
<div><b>--api_paste_config=/etc/nova/api-paste.ini</b></div><div><b>--libvirt_type=kvm</b></div><div><b>--libvirt_use_virtio_for_bridges=true</b></div><div><b>--start_guests_on_host_boot=true</b></div><div><b>--resume_guests_state_on_host_boot=true</b></div>
<div><b>--vnc_enabled=true</b></div><div><b>--vncproxy_url=<a href="http://192.168.2.20:6080" target="_blank">http://192.168.2.20:6080</a></b></div><div><b>--vnc_console_proxy_url=<a href="http://192.168.2.20:6080" target="_blank">http://192.168.2.20:6080</a></b></div>
<div><b># network specific settings</b></div><div><b>--network_manager=nova.network.manager.FlatDHCPManager</b></div><div><b>--public_interface=eth0</b></div><div><b>--flat_interface=eth0:1</b></div><div><b>--flat_network_bridge=br100</b></div>
<div><b>--fixed_range=<a href="http://172.16.1.30/16" target="_blank">172.16.1.30/16</a></b></div><div><b>--floating_range=<a href="http://192.168.2.20/24" target="_blank">192.168.2.20/24</a></b></div><div><b>--network_size=30</b></div><div><b>--flat_network_dhcp_start=172.16.1.31</b></div>
<div><b>--flat_injected=False</b></div><div><b>--force_dhcp_release</b></div><div><b>--iscsi_helper=tgtadm</b></div><div><b>--connection_type=libvirt</b></div><div><b>--root_helper=sudo nova-rootwrap</b></div><div><b>--verbose</b></div>
</div><div><br></div><div><br clear="all"><div>Help me to solve this</div><div><br></div><div>Thanks</div>-- <br><b>M.Iftakhul Anwar</b><br>Meruvian Integrator<div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;background-color:rgb(255,255,255)">High Performance Computing / Cloud Computing (HPC/CC)</span><br>
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