Hi Wido, Thanks for the reply, I will go through the links give.
On Mon, Mar 21, 2022 at 3:48 PM Wido den Hollander <w...@widodh.nl> wrote: > Hi, > > On 3/21/22 04:23, Hean Seng wrote: > > Hi > > > > Is anybody using VXLAN in their AdvanceNetowrking in production ? Any > > experience to share ? > > > > Yes, we are using VXLAN in production with KVM and CloudStack for a few > years now. > > > We are planning to set up Cloud Server for customers, and allow customers > > to have direct connection to their cloud server (physical connection), > > something like cloud-connect in AWS or GoogleCloud . > > > > VLAN isolation looks like the proper way of doing this, but it has a > future > > limitation of 4000 accounts per zone might be the trouble. VXLAN shall > > solve this , but is a multicast network , and I am not sure if any > > limitation is unforeseen. > > > > Exactly for this reason (and more) we use VXLAN. It scales much better > then VLANs do. > > I have done a few talks about this: > > - > > https://www.slideshare.net/ShapeBlue/deploying-cloudstack-and-ceph-with-flexible-vxlan-and-bgp-networking > - https://www.youtube.com/watch?v=X02bxtIC0u4 > - https://www.youtube.com/watch?v=ZKCuX9yRz7Y > > A few main points to think about: > > - Avoid VXLAN with Multicast and use BGP+EVPN > - You need a modified version of the modifyvxlan.sh script [0] > - Use FRR for BGP on the host > - Cumulus Linux for Top-of-Rack switches are nice, but it's not mandatory > > Wido > > [0]: > > https://github.com/PCextreme/cloudstack/blob/vxlan-bgp-evpn/scripts/vm/network/vnet/modifyvxlan.sh > > > Anyone who has used VXLAN network implementation in Cloudstack, would > > appreciate sharing the experiences . > > > > Thank you. > > > -- Regards, Hean Seng
