sdn

  1. H

    PVE 9.0.5 - Assignment of DNS-Domainname in SDN of LXC containers inconsistent

    Hi all! I've installed the new PVE 9 on a small testing machine, made all the updates from the no-subscription repository and installed dnsmasq and disabled the service. I intend to use it as DHCP and DNS in the SDN zones. All following steps are without any VLAN. ERROR: The containers don't...
  2. M

    Issue with DHCP under SDN

    Hi All, I have run into curious behavior of DHCP under SDN. I have followed the setup based on this page https://pve.proxmox.com/wiki/Setup_Simple_Zone_With_SNAT_and_DHCP. My vmbr0 is 172.31.255.240/28 with DHCP range 172.31.255.241-172.31.255.249 When I start VM the network interface doesn't...
  3. E

    Creating a SDN fabric node with the API

    Hi. I'm working on automating my homelab setup with Ansible and the PVE API. I'm using the new SDN fabrics in PVE 9, and I've been able to set up my OSPF fabric manually. However, when I try to do the same with the API I get a bit stuck. I'm able to create a fabric node if I don't specify...
  4. K

    Right way to configure OVS with Bonds, Bridges, Corosync and redundant physical links

    I'm am not new to hypervisors, but I am new to Proxmox. I'm trying to build a proof of concept for my enterprise, and I'm attempting to follow best practices so not to hate myself down the road. I'm running into some advanced network configuration issues, and I am not finding clear directions...
  5. J

    Problem with NAT when using ufw on PVE

    Hi, So I managed to get my NAT setup for my VMs using a SDN. To lock down the environment, I've setup Tailscale on the PVE host and I was using ufw to only allow incomingi connections via the tailscale0 interface. Here's my ruleset: $ ufw status verbose Status: active Logging: on (low)...
  6. J

    EVPN Subnet Route Source Address

    I have a working EVPN setup, now I want the host to be able to access services hosted on the subnet. The problem is hosts are only able to access IPs of VM/CTs that is on themselves. Say an EVPN VNet Subnet 192.168.20.0/24, the relevant routing table entries on Node A then looks like...
  7. M

    [TUTORIAL] A way to get DHCP and IPAM working with a VXLAN zone with minimal extra configuration

    [Hope I'm not doing anything wrong here, but this post was awaiting admin approval before it could be shown publicly and I'm not quite sure why, please let me know if this breaks any rules] Hi, I've been scouring the forums for a solution that would allow me to use the DHCP plugin (only for...
  8. S

    Beta9 Cost option in SDN/Fabrics

    Please add the “cost” parameter in SDN/Fabrics for OSPF/interfaces. The manually added “cost” parameter is removed after modification from the GUI.
  9. Y

    Is it possible to connect an external server to the Software-Defined Network

    Hi My question is whether it's possible to connect an external server to the Promox SDN, which is on the same hardware switch I don't get any generated response on Google, but I don't see it in the original documentation
  10. D

    [SOLVED] Configure devices to talk on SDN

    So I'm trying to configure SDN. Initially I tried creating the zone as Simple, but found the devices in the zone while able to reach the gateway, they were not able to talk with each other. I then created a new zone which was a vlan, and here the devices are able to talk with each other, but...
  11. I

    Grant IPAM access to user

    I have been looking through the permissions and can't seem to figure out how to grant a group access to the IPAM settings for a specific Zone. Is this possible?
  12. M

    [SOLVED] Impact of applying SDN configuration

    Hello, When we use SDN functionality. What is the real impact of adding a Vnet? Each host seems to restart its interfaces. Have any of you measured the impact on virtual machines and their unavailability? Thanks
  13. D

    [SOLVED] DHCP not working with SDN Subnet

    Need some assistance setting up a proxmox SDN subnet with DHCP. I've got the following configuration: tldr: subnet called `nexus` with range `10.10.0.0/24`. Gatway `10.10.0.1` and DHCP range of `10.10.0.{20-254}` root@goliath:~# tail /etc/pve/sdn/*.cfg ==> /etc/pve/sdn/subnets.cfg <== subnet...
  14. B

    [SOLVED] SDN Thematik

    Hallo, ich bin gerade dabei, mich in das Thema SDN einzulesen, um es langfristig auch einzusetzen. Ich tue mich aber ein wenig schwer mit den ersten Tests. Kann mir jemand eventuell ein Video oder ähnliches empfehlen, wo ich das auch mal in der Praxis sehen kann? Inkl. Einrichtung, Tests usw...
  15. H

    SDN: Reason for the "Extra" VRF on EVPN zones?

    Busy getting to understand some stuff with the SDN EVPN zone, and I notice it generates 2x sets of VxLAN-bridge pairs. What is the motivation and reason/use for that extra pair named vrf_.....? If it is not used in my case, is there perhaps a switch to turn it off/disable it? Reason I'm asking...
  16. H

    What is still not working in an IPv6 only (mesh network) setup

    In this thread I'd like to put all the things that still is not working 100% for a pure IPv6 deployment of a Proxmox PVE cluster (Typically in a mesh type setup). I miss a Wiki page so want to use this as that in the mean time - well.. I do push some IPv6 envelopes ;) I'd like to add the work...
  17. M

    BUG Report about SDN + PowerDNS + PTR records

    Hello, I don't know the procedure to report a bug so I will post here. My PVE version is 8.4.1. I use the SDN feature, and I added a PowerDNS server. So the bug is about the PTR records, they are not registered in the DNS when the vnet uses a network mask smaller than /24. When the vnat uses a...
  18. T

    Unable to DHCP on different nodes

    Hi Everyone, As an exercise, I have a 3node cluster running a simple SDN setup. I disabled autoDHCP and setup a windows DHCP server. When I install a client machine on a different node it is unable to get DHCP but when I migrate it to the same node as the server it works. I have disabled all...
  19. P

    Selective Vlan Assignments

    I have a trunked network line going to a single interface. I would like to selectively route a few vlans (10,20,21) to a single network interface as tagged traffic. There are many more vlans than this on the original trunk, but I only want these vlans to route to my monitoring container. This...
  20. A

    VLAN SDN VNet Stops OSPF From Working

    Currently I have a VLAN SDN zone setup with 3 nodes in it. I also have FRR setup on each node that is supposed to use OSPF to get its default gateways from some upstream routers, however, on the routers the neighbor state doesn't change from 'Init' indicating that there isn't bidirectional OSPF...