diff options
Diffstat (limited to 'FAQ.md')
| -rw-r--r-- | FAQ.md | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -207,6 +207,7 @@ A: Support for tunnels was added to the upstream Linux kernel module |:--------:|:-------------: | GRE | 3.11 | VXLAN | 3.12 +| Geneve | 3.18 | LISP | <not upstream> If you are using a version of the kernel that is older than the one @@ -216,6 +217,14 @@ A: Support for tunnels was added to the upstream Linux kernel module persist after doing this, check to make sure that the module that is loaded is the one you expect. +### Q: Why are UDP tunnel checksums not computed for VXLAN or Geneve? + +A: Generating outer UDP checksums requires kernel support that was not + part of the initial implementation of these protocols. If using the + upstream Linux Open vSwitch module, you must use kernel 4.0 or + newer. The out-of-tree modules from Open vSwitch release 2.4 and later + support UDP checksums. + ### Q: What features are not available when using the userspace datapath? A: Tunnel virtual ports are not supported, as described in the |