Documentation: ip-sysctl.txt: clarify disable_ipv6

Clarify that when disable_ipv6 is enabled even the ipv6 routes
are deleted for the selected interface and from now it will not
be possible to add addresses/routes to that interface

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 1d1120753ae82d0aee3e934a3d9c074b70dcbca6..33f35f049ad57ad6c06ed6e089966e346d72d108 100644 (file)
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1703,7 +1703,9 @@ disable_ipv6 - BOOLEAN
        interface and start Duplicate Address Detection, if necessary.
 
        When this value is changed from 0 to 1 (IPv6 is being disabled),
-       it will dynamically delete all address on the given interface.
+       it will dynamically delete all addresses and routes on the given
+       interface. From now on it will not possible to add addresses/routes
+       to the selected interface.
 
 accept_dad - INTEGER
        Whether to accept DAD (Duplicate Address Detection).