X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=INSTALL.Linux;h=5a628d8c08c9a0c2c3f57c535075f9e4c9f376e7;hb=69123704450703f7ebea4af9e3b9635399fc21f2;hp=20a0dd806f542220f8a876b6c7409ed77fca3fb0;hpb=436f27dd880bd4e1e1d06ca2744c875b01b9e1c1;p=openvswitch

diff --git a/INSTALL.Linux b/INSTALL.Linux
index 20a0dd80..5a628d8c 100644
--- a/INSTALL.Linux
+++ b/INSTALL.Linux
@@ -48,6 +48,13 @@ 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       (NET_CLS_POLICE is obsolete and not needed.)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 use Open vSwitch support for TAP devices, you must enable
+      CONFIG_TUN.
+
     - To build a kernel module, you need the same version of GCC that
       was used to build that kernel.
 
@@ -96,6 +103,9 @@ following software:
       if it is installed in a different location, then some Open
       vSwitch log messages will not be as detailed.
 
+You should ensure that /dev/urandom exists.  To support TAP devices,
+you must also ensure that /dev/net/tun exists.
+
 To run the ovsdmonitor tool, the machine must also have the following
 software: