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authorBrian Haley <brian.haley@hp.com>2009-06-01 03:07:33 -0700
committerDavid S. Miller <davem@davemloft.net>2009-06-01 03:07:33 -0700
commit56d417b12e57dfe11c9b7ba4bea3882c62a55815 (patch)
tree5f7d6fedc4370333898ef7790711e0a9c73e323d /Documentation/networking
parent0220ff7fc35913dcd8cdf8fb3a0966caf4aed2f3 (diff)
downloadop-kernel-dev-56d417b12e57dfe11c9b7ba4bea3882c62a55815.zip
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IPv6: Add 'autoconf' and 'disable_ipv6' module parameters
Add 'autoconf' and 'disable_ipv6' parameters to the IPv6 module. The first controls if IPv6 addresses are autoconfigured from prefixes received in Router Advertisements. The IPv6 loopback (::1) and link-local addresses are still configured. The second controls if IPv6 addresses are desired at all. No IPv6 addresses will be added to any interfaces. Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/ip-sysctl.txt7
-rw-r--r--Documentation/networking/ipv6.txt37
2 files changed, 44 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 3ffd233..8be7623 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1057,6 +1057,13 @@ disable_ipv6 - BOOLEAN
address.
Default: FALSE (enable IPv6 operation)
+ When this value is changed from 1 to 0 (IPv6 is being enabled),
+ it will dynamically create a link-local address on the given
+ 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.
+
accept_dad - INTEGER
Whether to accept DAD (Duplicate Address Detection).
0: Disable DAD
diff --git a/Documentation/networking/ipv6.txt b/Documentation/networking/ipv6.txt
index 268e5c1..9fd7e21 100644
--- a/Documentation/networking/ipv6.txt
+++ b/Documentation/networking/ipv6.txt
@@ -33,3 +33,40 @@ disable
A reboot is required to enable IPv6.
+autoconf
+
+ Specifies whether to enable IPv6 address autoconfiguration
+ on all interfaces. This might be used when one does not wish
+ for addresses to be automatically generated from prefixes
+ received in Router Advertisements.
+
+ The possible values and their effects are:
+
+ 0
+ IPv6 address autoconfiguration is disabled on all interfaces.
+
+ Only the IPv6 loopback address (::1) and link-local addresses
+ will be added to interfaces.
+
+ 1
+ IPv6 address autoconfiguration is enabled on all interfaces.
+
+ This is the default value.
+
+disable_ipv6
+
+ Specifies whether to disable IPv6 on all interfaces.
+ This might be used when no IPv6 addresses are desired.
+
+ The possible values and their effects are:
+
+ 0
+ IPv6 is enabled on all interfaces.
+
+ This is the default value.
+
+ 1
+ IPv6 is disabled on all interfaces.
+
+ No IPv6 addresses will be added to interfaces.
+
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