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-rw-r--r--share/doc/HOST-SETUP.txt20
1 files changed, 20 insertions, 0 deletions
diff --git a/share/doc/HOST-SETUP.txt b/share/doc/HOST-SETUP.txt
index d0a2395..6b368f0 100644
--- a/share/doc/HOST-SETUP.txt
+++ b/share/doc/HOST-SETUP.txt
@@ -216,3 +216,23 @@ IPv6 addresses and netmasks.
In order to use dual-stack, bridges must have a IPv4 address assigned
(can be a dummy one from a privacy range or 127.0.0.0/8).
+
+Let me repeat: dual-stack only works when you assign a primary IPv6 address
+(private or public, doesn't matter) *and* add an additional IPv4 address.
+Yes, the IPv4 address can be a private address, the containers can still
+have a public IPv4 address.
+
+A complete example looks like this:
+
+auto bridge0
+iface bridge0 inet6 static
+ address 2a07:6b47:4::4:1
+ netmask 48
+
+ up ip addr add 127.4.4.1 dev $IFACE
+ down ip addr del 127.4.4.1 dev $IFACE
+
+ bridge_fd 0
+ bridge_maxwait 0
+ bridge_stp 0
+ bridge-mcquerier 1