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
Enjoying Life with Networking, Gathering the Best Important Reminder Readers of the “Networking Premium Collection”, have you noticed that it has been difficult to find updates recently? This is due to changes in the WeChat public account recommendation mechanism! To not miss our prepared content, please make sure to star the “Networking Premium Collection” public … Read more
Previously, I installed OpenWrt on VMware Workstation (What is a soft router? What is OpenWrt? What does it look like? Let’s take a look at it on VMware). I initially planned to install OpenWrt directly on ESXi, but I couldn’t generate OVF or OVA files when converting the image. So I first installed the image … Read more
Routers are certainly not unfamiliar to everyone; they have become a necessity in our lives. However, routers do more than just provide internet access. In the same network environment, only a good router can achieve maximum speed, connect to more devices, and cover a wider range. Better yet, it can also expand many personalized features.Recently, … 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
Our company has a Linksys router flashed with OpenWrt, placed in a recessed structure where the signal is not very good. Therefore, we added a TP-Link router with many protruding antennas as an AP. Previously, there was an issue where connecting other devices (such as a LoRa gateway or other Wi-Fi AP) to the remaining … 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