Questions tagged [openvswitch]
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100 questions
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Virtual interfaces on OpenvSwitch with STP do not work correctly
Network Scheme
Networks in my scheme:
CLI - 192.168.1.0/26
SRV - 192.168.1.64/28
MNGT - 192.168.1.80/29
I have a problem. I set up STP between sw-1 sw-2 sw-3 (sw-1 is the root switch), after which the ...
2
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463
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OpenVSwitch with nmcli
I am creating teamed interface with VLANs in OVS in fresh Fedora Server 40. Using ovs-vsctl without NetworkManager it always works fine, but now I am trying to create the same with nmcli.
nmcli ...
- 590
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ovs-vsctl stucks and seems there's no schema when using ovsdb in cluster mode
#!/bin/sh
ovsdb-tool create-cluster /host/var/lib/openvswitch/conf.db /usr/share/openvswitch/vswitch.ovsschema tcp:0.0.0.0:6632 2> /dev/null
ovsdb-server \
--unixctl=/host/var/run/openvswitch/...
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178
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Mapping external to internal IP ranges
I have many namespaces on Kubernetes. Each namespace has it own IP range. For example n1 has 10.0.1.0/24 range, n2 has 10.0.2.0/24 and so on. Each pod in each namespace get ip base on the namespace ip ...
- 11
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LACP between Ubuntu 22.04 and Open vSwitch: Ubuntu neither responding nor sending LACP PDU
I have a a fresh Ubuntu 22.04 running in KVM with 6 virtio interface emulating e1000. This is connected to an Open vSwitch and LACP is configured on both switch and Ubuntu.
Summery of my problem is ...
- 31
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96
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Isolate traffic between vswitches but allow l2 traffic from external network
I've two OVS bridges which they are connected to the 3rd v-switch using patch(es).
Bridge br1
Port br1
Interface br1
type: internal
Port br1-ext
...
0
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0
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289
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Connecting different interfaces with different IP ranges to Open vSwith OVS
I have a setup with 4 VMs. There are two servers: VM1, VM2, one router: VM3, and one client: VM4.
VM3 is connected directly to all other VMs and routes traffic between them.
VM3 has 3 different ...
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1
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735
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No layer 2 traffic in an Open vSwitch bridge
I see no traffic in layer 2 and above in an OVS bridge, but I do see layer 1 traffic.
I have the following setup:
I have created a Linux VirtualBox VM with three adapters: NAT with port forwarding the ...
- 143
1
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237
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OpenDayLight SDN: Can't get openflow table info via OpenDayLight RESTCONF
I'm trying to connect several openflow OVS instances to OpenDayLight SDN.
My switches succesfully attached and I can get the nodes informations via the following RESTCONF request:
/rests/data/...
- 11
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213
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KVM guest low network speed
I have a KVM guest VM running RHEL 8.7 (12vCPU, 24GB RAM) and a hypervisor with 10Gb NICs.
I'm getting weird results when using iperf3 on my guest machine as a client and a TrueNAS server as a server. ...
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1
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872
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simple openvswitch forward demo not work
What are the details of your problem?
Hi, that is my first time try ovs. i am using Arch Linux, and installed openvswitch.
use sudo ip link add v1 type dummy && sudo ip addr add 10.0.0.1/24 ...
2
votes
1
answer
756
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LXC container network with OVS not forwarding ARP correctly
Using lxc containers, I want to simulate network components individually. For this, I am trying to embed OVS in an lxc container.
Initially, I started with the following setup, which works properly ...
- 121
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1
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3k
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KVM Networking - assign IP to each VM by outside DHCP
I am new to KVM and am having a problem with setting up the networking. I want each VM to get its IPs assigned by the network's DHCP, not the internal DHCP that the KVM keeps trying to set up. In ...
-1
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1
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393
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Blocking mac spoofing on libvirt guests using openflow
I have a couple of kvm vms running with libvirt and they are using openvswitch bridges. I need a mechanism to prevent mac spoofing on a guest. I tried libvirt filters no-mac-spoofing and clean-traffic ...
- 49
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OVN Cluster Health Command
Is there any command-line tool for the OVN Cluster Health check? Or each of its components? and a command or commands which gives stats about the cluster.
For example, without a functional test, I ...
- 244