From 9c333bff9ae4409d8313ebfe8c32ec54196a4c76 Mon Sep 17 00:00:00 2001 From: Jesse Gross Date: Tue, 17 Dec 2013 10:49:26 -0800 Subject: [PATCH] FAQ: Update to reflect that tunneling is now in upstream Linux. Reported-by: Ben Pfaff Signed-off-by: Jesse Gross Acked-by: pritesh --- FAQ | 23 +++++++++-------------- 1 file changed, 9 insertions(+), 14 deletions(-) diff --git a/FAQ b/FAQ index 2508c8cdd..3df1c545e 100644 --- a/FAQ +++ b/FAQ @@ -173,22 +173,17 @@ Q: Should userspace or kernel be upgraded first to minimize downtime? Q: What features are not available in the Open vSwitch kernel datapath that ships as part of the upstream Linux kernel? -A: The kernel module in upstream Linux 3.3 and later does not include - tunnel virtual ports, that is, interfaces with type "gre", - "ipsec_gre", "gre64", "ipsec_gre64", "vxlan", or "lisp". It is - possible to create tunnels in Linux and attach them to Open vSwitch - as system devices. However, they cannot be dynamically created - through the OVSDB protocol or set the tunnel ids as a flow action. - - Work is in progress in adding tunnel virtual ports to the upstream - Linux version of the Open vSwitch kernel module. For now, if you - need these features, use the kernel module from the Open vSwitch +A: The kernel module in upstream Linux does not include support for + LISP. Work is in progress to add support for LISP to the upstream + Linux version of the Open vSwitch kernel module. For now, if you + need this feature, use the kernel module from the Open vSwitch distribution instead of the upstream Linux kernel module. - The upstream kernel module does not include patch ports, but this - only matters for Open vSwitch 1.9 and earlier, because Open vSwitch - 1.10 and later implement patch ports without using this kernel - feature. + Certain features require kernel support to function or to have + reasonable performance. If the ovs-vswitchd log file indicates that + a feature is not supported, consider upgrading to a newer upstream + Linux release or using the kernel module paired with the userspace + distribution. Q: What features are not available when using the userspace datapath? -- 2.47.0