Appendix B : Compute Installation; unable to create network

Hi,

I am trying to install a single node Openstack installation (FOLSOM) by following Appendix B : of "Open Install and Delopy" guide dated : 9-Nov-2012

I have strictly followed all the instructions and i could able to make keystone, glane and nova UP and RUNNING, but when I am trying to create a network as per the document, it is displaying the following error

root@openstack:~# nova-manage service list
2012-11-13 15:20:59 DEBUG nova.utils [req-288539c7-a89c-4afa-8852-f4c52660e015 None None] backend <module 'nova.db.sqlalchemy.api' from '/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.pyc'> from (pid=735) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:494
Binary Host Zone Status State Updated_At
nova-compute openstack nova enabled :-) 2012-11-13 23:20:54
nova-consoleauth openstack nova enabled :-) 2012-11-13 23:20:53
nova-cert openstack nova enabled :-) 2012-11-13 23:20:56
nova-scheduler openstack nova enabled :-) 2012-11-13 23:20:52
nova-network openstack nova enabled :-) 2012-11-13 23:20:49
root@openstack:~#
root@openstack:~#

root@openstack:~# nova-manage network create private --fixed_range_v4=192.168.4.32/27 --num_networks=1 --bridge=br100 --bridge_interface=eth0 --network_size=32
Command failed, please check log for more info
2012-11-13 15:21:06 CRITICAL nova [req-ce17c528-4147-40a6-a080-6655a771547c None None] 'vlan_start'
2012-11-13 15:21:06 TRACE nova Traceback (most recent call last):
2012-11-13 15:21:06 TRACE nova File "/usr/bin/nova-manage", line 1400, in <module>
2012-11-13 15:21:06 TRACE nova main()
2012-11-13 15:21:06 TRACE nova File "/usr/bin/nova-manage", line 1387, in main
2012-11-13 15:21:06 TRACE nova fn(*fn_args, **fn_kwargs)
2012-11-13 15:21:06 TRACE nova File "/usr/bin/nova-manage", line 476, in create
2012-11-13 15:21:06 TRACE nova net_manager.create_networks(context.get_admin_context(), **kwargs)
2012-11-13 15:21:06 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/network/manager.py", line 2040, in create_networks
2012-11-13 15:21:06 TRACE nova if kwargs['num_networks'] + kwargs['vlan_start'] > 4094:
2012-11-13 15:21:06 TRACE nova KeyError: 'vlan_start'
2012-11-13 15:21:06 TRACE nova
root@openstack:~#

can anyone please check this and let me know what configuration is missing

Thanks,
 Narsing