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#
# IPv6 configuration
#
# IPv6 as module will cause a CRASH if you try to unload it
config IPV6
tristate "The IPv6 protocol"
default m
---help---
This is complemental support for the IP version 6.
You will still be able to do traditional IPv4 networking as well.
For general information about IPv6, see
<http://playground.sun.com/pub/ipng/html/ipng-main.html>.
For Linux IPv6 development information, see <http://www.linux-ipv6.org>.
For specific information about IPv6 under Linux, read the HOWTO at
<http://www.bieringer.de/linux/IPv6/>.
To compile this protocol support as a module, choose M here: the
module will be called ipv6.
config IPV6_PRIVACY
bool "IPv6: Privacy Extensions support"
depends on IPV6
---help---
Privacy Extensions for Stateless Address Autoconfiguration in IPv6
support. With this option, additional periodically-alter
pseudo-random global-scope unicast address(es) will assigned to
your interface(s).
We use our standard pseudo random algorithm to generate randomized
interface identifier, instead of one described in RFC 3041.
By default, kernel do not generate temporary addresses.
To use temporary addresses, do
echo 2 >/proc/sys/net/ipv6/conf/all/use_tempaddr
See <file:Documentation/networking/ip-sysctl.txt> for details.
config IPV6_ROUTER_PREF
bool "IPv6: Router Preference (RFC 4191) support"
depends on IPV6
---help---
Router Preference is an optional extension to the Router
Advertisement message to improve the ability of hosts
to pick more appropriate router, especially when the hosts
is placed in a multi-homed network.
If unsure, say N.
config IPV6_ROUTE_INFO
bool "IPv6: Route Information (RFC 4191) support (EXPERIMENTAL)"
depends on IPV6_ROUTER_PREF && EXPERIMENTAL
---help---
This is experimental support of Route Information.
If unsure, say N.
config INET6_AH
tristate "IPv6: AH transformation"
depends on IPV6
select XFRM
select CRYPTO
select CRYPTO_HMAC
select CRYPTO_MD5
select CRYPTO_SHA1
---help---
Support for IPsec AH.
If unsure, say Y.
config INET6_ESP
tristate "IPv6: ESP transformation"
depends on IPV6
select XFRM
select CRYPTO
select CRYPTO_HMAC
select CRYPTO_MD5
select CRYPTO_CBC
select CRYPTO_SHA1
select CRYPTO_DES
---help---
Support for IPsec ESP.
If unsure, say Y.
config INET6_IPCOMP
tristate "IPv6: IPComp transformation"
depends on IPV6
select XFRM
select INET6_XFRM_TUNNEL
select CRYPTO
select CRYPTO_DEFLATE
---help---
Support for IP Payload Compression Protocol (IPComp) (RFC3173),
typically needed for IPsec.
If unsure, say Y.
config IPV6_MIP6
bool "IPv6: Mobility (EXPERIMENTAL)"
depends on IPV6 && EXPERIMENTAL
select XFRM
---help---
Support for IPv6 Mobility described in RFC 3775.
If unsure, say N.
config INET6_XFRM_TUNNEL
tristate
select INET6_TUNNEL
default n
config INET6_TUNNEL
tristate
default n
config INET6_XFRM_MODE_TRANSPORT
tristate "IPv6: IPsec transport mode"
depends on IPV6
default IPV6
select XFRM
---help---
Support for IPsec transport mode.
If unsure, say Y.
config INET6_XFRM_MODE_TUNNEL
tristate "IPv6: IPsec tunnel mode"
depends on IPV6
default IPV6
select XFRM
---help---
Support for IPsec tunnel mode.
If unsure, say Y.
config INET6_XFRM_MODE_BEET
tristate "IPv6: IPsec BEET mode"
depends on IPV6
default IPV6
select XFRM
---help---
Support for IPsec BEET mode.
If unsure, say Y.
config INET6_XFRM_MODE_ROUTEOPTIMIZATION
tristate "IPv6: MIPv6 route optimization mode (EXPERIMENTAL)"
depends on IPV6 && EXPERIMENTAL
select XFRM
---help---
Support for MIPv6 route optimization mode.
config IPV6_TUNNEL
tristate "IPv6: IPv6-in-IPv6 tunnel"
select INET6_TUNNEL
depends on IPV6
---help---
Support for IPv6-in-IPv6 tunnels described in RFC 2473.
If unsure, say N.
config IPV6_SUBTREES
bool "IPv6: source address based routing"
depends on IPV6 && EXPERIMENTAL
---help---
Enable routing by source address or prefix.
The destination address is still the primary routing key, so mixing
normal and source prefix specific routes in the same routing table
may sometimes lead to unintended routing behavior. This can be
avoided by defining different routing tables for the normal and
source prefix specific routes.
If unsure, say N.
config IPV6_MULTIPLE_TABLES
bool "IPv6: Multiple Routing Tables"
depends on IPV6 && EXPERIMENTAL
select FIB_RULES
---help---
Support multiple routing tables.
config IPV6_ROUTE_FWMARK
bool "IPv6: use netfilter MARK value as routing key"
depends on IPV6_MULTIPLE_TABLES && NETFILTER
---help---
If you say Y here, you will be able to specify different routes for
packets with different mark values (see iptables(8), MARK target).
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