X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=INSTALL.Linux;h=c3cf2f84d12733885a6915f5e64edeaeba0ecff4;hb=169e3808f7c510a048589d8e658336919079a6a0;hp=20a0dd806f542220f8a876b6c7409ed77fca3fb0;hpb=436f27dd880bd4e1e1d06ca2744c875b01b9e1c1;p=openvswitch

diff --git a/INSTALL.Linux b/INSTALL.Linux
index 20a0dd80..c3cf2f84 100644
--- a/INSTALL.Linux
+++ b/INSTALL.Linux
@@ -48,6 +48,10 @@ INSTALL.userspace for more information.
       and NET_ACT_POLICE, either built-in or as modules.
       (NET_CLS_POLICE is obsolete and not needed.)
 
+      If GRE tunneling is being used it is recommended that the kernel
+      be compiled with IPv6 support (CONFIG_IPV6).  This allows for
+      special handling (such as path MTU discovery) of IPv6 packets.
+
     - To build a kernel module, you need the same version of GCC that
       was used to build that kernel.