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Openstack Networking

asked 2013-11-22 08:14:32 -0500

anshul tripathi gravatar image

updated 2013-11-22 09:59:40 -0500

larsks gravatar image

I have installed Openstack grizzly on a single node.

I have 2 network interfaces

  • external connection (eth0)

    eth0      Link encap:Ethernet  HWaddr 00:50:56:b5:35:3c
              inet addr:10.35.141.242 Bcast:10.35.141.255 Mask:255.255.255.128
              [...]
              RX bytes:4763669 (4.7 MB)  TX bytes:3566739 (3.5 MB)
    
  • internal connection (eth1)

    eth1      Link encap:Ethernet  HWaddr 00:50:56:b5:35:3d
              inet addr:192.168.20.10  Bcast:192.168.20.255  Mask:255.255.255.0
              [...]
              RX bytes:122430862 (122.4 MB)  TX bytes:46150 (46.1 KB)
    

I am using linux bridge linuxbridge_conf.ini

[VLANS]
tenant_network_type = vlan
network_vlan_ranges = physnet1:1000:2999
sql_connection = mysql://quantum:quantum@localhost/quantum
reconnect_interval = 2

[LINUX_BRIDGE]
physical_interface_mappings = physnet1:eth1

[AGENT]
polling_interval = 2

[SECURITYGROUP]
firewall_driver = quantum.agent.linux.iptables_firewall.IptablesFirewallDriver

I am having problems while setting up networks. What should be my network architechture so that I can also provide internet connection to the vms.

Any help will be appreciated

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answered 2013-11-22 09:29:20 -0500

Sadique Puthen gravatar image

You didnt tell what problems you are facing.

If this is a single node, you need not bother about eth1 (interface for private network). If there are multiple nodes, you need to configure the switch port for (eth1) with appropriate vlan tags.

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i have created an internal network (192.168.0.0/24). Created a router and attached it to the network. The router IP is 192.168.0.1. but after creating a vm in this network i am not able to ping the router. The DHCP server IP is 192.168.0.2. I am able to ping the DHCP server. Also ns-XXXXXX interface that is create gets the IP 192.168.0.2. I installed using cloudgear.(https://github.com/ilearnstack/cloudgear)

anshul tripathi gravatar imageanshul tripathi ( 2013-11-23 22:12:44 -0500 )edit

network_vlan_ranges = physnet1:1000:2999 Can I change physical_interface_mappings = physnet1:eth0 eth0 is my public network

anshul tripathi gravatar imageanshul tripathi ( 2013-11-25 03:19:55 -0500 )edit

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Asked: 2013-11-22 08:14:32 -0500

Seen: 178 times

Last updated: Nov 22 '13