Introduction At the invitation of the “Cloud Technology Community“, I decided to write something. After much thought, I realized that the field of cloud computing is vast, so I will talk about a recent hot topic that deeply resonates with many cloud computing practitioners: the challenging yet beloved OpenStack. Here, I will share my insights … Read more
Many people stumble into the networking pitfalls while learning OpenStack. From physical network devices to logical configurations, and even the architecture, one must be familiar with various concepts. For instance, understanding basic technologies such as VLAN, Flat, DHCP, Bridge (Linux bridge or OVS), NAT, and routing, as well as SDN is essential. This article outlines … Read more
👆 Click the blue text “Little Seven Blog” at the top, and select “Set as Favorite” in the upper right corner. Don’t miss out on good articles, get the latest technical content first. 1. Authentication Management 1. View the authentication service directory list openstack endpoint list or openstack catalog list 2. View the project list … Read more
Article 145 Connecting ext_net to Router In the previous section, we created the external network ext_net. Next, we need to connect it to Neutron’s virtual router so that instances can access the external network. Click on the menu Project -> Network -> Routers to enter the router list. Click the “Set Gateway” button for router_100_101. … Read more
Article 101 Analysis of Virtual Router Principles In the previous section, we created the virtual router “router_100_101” and verified the connectivity between vlan100 and vlan101 using ping. This section will focus on analyzing the principles involved. First, let’s see what changes have occurred in the linux bridge structure on the control node. On the bridge … Read more
1. Manage Router OpenStack manage router command neutron manage router command 2. Create Router Use neutron command: neutron router-create router name For example: neutron router-create route-10 Use OpenStack command: openstack router create router name For example: openstack router create router-10 The command feedback is too much, truncated and incomplete. 3. Create Router Gateway Interface Creating … Read more