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Several files have extra line at end of file. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
339 lines
9.0 KiB
Plaintext
339 lines
9.0 KiB
Plaintext
#
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# IPv6 configuration
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#
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# IPv6 as module will cause a CRASH if you try to unload it
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menuconfig IPV6
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tristate "The IPv6 protocol"
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default y
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---help---
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Support for IP version 6 (IPv6).
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For general information about IPv6, see
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<https://en.wikipedia.org/wiki/IPv6>.
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For specific information about IPv6 under Linux, see
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Documentation/networking/ipv6.txt and read the HOWTO at
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<http://www.tldp.org/HOWTO/Linux+IPv6-HOWTO/>
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To compile this protocol support as a module, choose M here: the
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module will be called ipv6.
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if IPV6
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config IPV6_ROUTER_PREF
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bool "IPv6: Router Preference (RFC 4191) support"
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---help---
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Router Preference is an optional extension to the Router
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Advertisement message which improves the ability of hosts
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to pick an appropriate router, especially when the hosts
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are placed in a multi-homed network.
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If unsure, say N.
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config IPV6_ROUTE_INFO
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bool "IPv6: Route Information (RFC 4191) support"
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depends on IPV6_ROUTER_PREF
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---help---
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Support of Route Information.
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If unsure, say N.
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config IPV6_OPTIMISTIC_DAD
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bool "IPv6: Enable RFC 4429 Optimistic DAD"
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---help---
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Support for optimistic Duplicate Address Detection. It allows for
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autoconfigured addresses to be used more quickly.
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If unsure, say N.
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config INET6_AH
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tristate "IPv6: AH transformation"
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select XFRM_ALGO
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select CRYPTO
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select CRYPTO_HMAC
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select CRYPTO_MD5
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select CRYPTO_SHA1
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---help---
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Support for IPsec AH.
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If unsure, say Y.
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config INET6_ESP
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tristate "IPv6: ESP transformation"
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select XFRM_ALGO
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select CRYPTO
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select CRYPTO_AUTHENC
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select CRYPTO_HMAC
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select CRYPTO_MD5
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select CRYPTO_CBC
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select CRYPTO_SHA1
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select CRYPTO_DES
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select CRYPTO_ECHAINIV
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---help---
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Support for IPsec ESP.
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If unsure, say Y.
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config INET6_ESP_OFFLOAD
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tristate "IPv6: ESP transformation offload"
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depends on INET6_ESP
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select XFRM_OFFLOAD
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default n
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---help---
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Support for ESP transformation offload. This makes sense
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only if this system really does IPsec and want to do it
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with high throughput. A typical desktop system does not
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need it, even if it does IPsec.
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If unsure, say N.
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config INET6_IPCOMP
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tristate "IPv6: IPComp transformation"
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select INET6_XFRM_TUNNEL
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select XFRM_IPCOMP
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---help---
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Support for IP Payload Compression Protocol (IPComp) (RFC3173),
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typically needed for IPsec.
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If unsure, say Y.
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config IPV6_MIP6
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tristate "IPv6: Mobility"
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select XFRM
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---help---
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Support for IPv6 Mobility described in RFC 3775.
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If unsure, say N.
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config IPV6_ILA
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tristate "IPv6: Identifier Locator Addressing (ILA)"
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depends on NETFILTER
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select DST_CACHE
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select LWTUNNEL
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---help---
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Support for IPv6 Identifier Locator Addressing (ILA).
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ILA is a mechanism to do network virtualization without
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encapsulation. The basic concept of ILA is that we split an
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IPv6 address into a 64 bit locator and 64 bit identifier. The
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identifier is the identity of an entity in communication
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("who") and the locator expresses the location of the
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entity ("where").
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ILA can be configured using the "encap ila" option with
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"ip -6 route" command. ILA is described in
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https://tools.ietf.org/html/draft-herbert-nvo3-ila-00.
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If unsure, say N.
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config INET6_XFRM_TUNNEL
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tristate
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select INET6_TUNNEL
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default n
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config INET6_TUNNEL
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tristate
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default n
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config INET6_XFRM_MODE_TRANSPORT
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tristate "IPv6: IPsec transport mode"
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default IPV6
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select XFRM
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---help---
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Support for IPsec transport mode.
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If unsure, say Y.
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config INET6_XFRM_MODE_TUNNEL
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tristate "IPv6: IPsec tunnel mode"
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default IPV6
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select XFRM
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---help---
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Support for IPsec tunnel mode.
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If unsure, say Y.
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config INET6_XFRM_MODE_BEET
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tristate "IPv6: IPsec BEET mode"
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default IPV6
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select XFRM
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---help---
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Support for IPsec BEET mode.
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If unsure, say Y.
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config INET6_XFRM_MODE_ROUTEOPTIMIZATION
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tristate "IPv6: MIPv6 route optimization mode"
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select XFRM
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---help---
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Support for MIPv6 route optimization mode.
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config IPV6_VTI
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tristate "Virtual (secure) IPv6: tunneling"
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select IPV6_TUNNEL
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select NET_IP_TUNNEL
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depends on INET6_XFRM_MODE_TUNNEL
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---help---
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Tunneling means encapsulating data of one protocol type within
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another protocol and sending it over a channel that understands the
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encapsulating protocol. This can be used with xfrm mode tunnel to give
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the notion of a secure tunnel for IPSEC and then use routing protocol
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on top.
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config IPV6_SIT
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tristate "IPv6: IPv6-in-IPv4 tunnel (SIT driver)"
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select INET_TUNNEL
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select NET_IP_TUNNEL
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select IPV6_NDISC_NODETYPE
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default y
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---help---
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Tunneling means encapsulating data of one protocol type within
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another protocol and sending it over a channel that understands the
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encapsulating protocol. This driver implements encapsulation of IPv6
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into IPv4 packets. This is useful if you want to connect two IPv6
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networks over an IPv4-only path.
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Saying M here will produce a module called sit. If unsure, say Y.
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config IPV6_SIT_6RD
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bool "IPv6: IPv6 Rapid Deployment (6RD)"
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depends on IPV6_SIT
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default n
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---help---
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IPv6 Rapid Deployment (6rd; draft-ietf-softwire-ipv6-6rd) builds upon
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mechanisms of 6to4 (RFC3056) to enable a service provider to rapidly
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deploy IPv6 unicast service to IPv4 sites to which it provides
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customer premise equipment. Like 6to4, it utilizes stateless IPv6 in
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IPv4 encapsulation in order to transit IPv4-only network
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infrastructure. Unlike 6to4, a 6rd service provider uses an IPv6
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prefix of its own in place of the fixed 6to4 prefix.
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With this option enabled, the SIT driver offers 6rd functionality by
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providing additional ioctl API to configure the IPv6 Prefix for in
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stead of static 2002::/16 for 6to4.
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If unsure, say N.
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config IPV6_NDISC_NODETYPE
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bool
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config IPV6_TUNNEL
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tristate "IPv6: IP-in-IPv6 tunnel (RFC2473)"
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select INET6_TUNNEL
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select DST_CACHE
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select GRO_CELLS
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---help---
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Support for IPv6-in-IPv6 and IPv4-in-IPv6 tunnels described in
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RFC 2473.
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If unsure, say N.
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config IPV6_GRE
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tristate "IPv6: GRE tunnel"
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select IPV6_TUNNEL
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select NET_IP_TUNNEL
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depends on NET_IPGRE_DEMUX
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---help---
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Tunneling means encapsulating data of one protocol type within
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another protocol and sending it over a channel that understands the
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encapsulating protocol. This particular tunneling driver implements
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GRE (Generic Routing Encapsulation) and at this time allows
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encapsulating of IPv4 or IPv6 over existing IPv6 infrastructure.
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This driver is useful if the other endpoint is a Cisco router: Cisco
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likes GRE much better than the other Linux tunneling driver ("IP
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tunneling" above). In addition, GRE allows multicast redistribution
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through the tunnel.
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Saying M here will produce a module called ip6_gre. If unsure, say N.
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config IPV6_FOU
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tristate
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default NET_FOU && IPV6
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config IPV6_FOU_TUNNEL
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tristate
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default NET_FOU_IP_TUNNELS && IPV6_FOU
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select IPV6_TUNNEL
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config IPV6_MULTIPLE_TABLES
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bool "IPv6: Multiple Routing Tables"
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select FIB_RULES
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---help---
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Support multiple routing tables.
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config IPV6_SUBTREES
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bool "IPv6: source address based routing"
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depends on IPV6_MULTIPLE_TABLES
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---help---
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Enable routing by source address or prefix.
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The destination address is still the primary routing key, so mixing
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normal and source prefix specific routes in the same routing table
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may sometimes lead to unintended routing behavior. This can be
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avoided by defining different routing tables for the normal and
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source prefix specific routes.
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If unsure, say N.
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config IPV6_MROUTE
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bool "IPv6: multicast routing"
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depends on IPV6
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select IP_MROUTE_COMMON
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---help---
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Support for IPv6 multicast forwarding.
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If unsure, say N.
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config IPV6_MROUTE_MULTIPLE_TABLES
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bool "IPv6: multicast policy routing"
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depends on IPV6_MROUTE
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select FIB_RULES
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help
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Normally, a multicast router runs a userspace daemon and decides
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what to do with a multicast packet based on the source and
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destination addresses. If you say Y here, the multicast router
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will also be able to take interfaces and packet marks into
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account and run multiple instances of userspace daemons
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simultaneously, each one handling a single table.
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If unsure, say N.
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config IPV6_PIMSM_V2
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bool "IPv6: PIM-SM version 2 support"
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depends on IPV6_MROUTE
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---help---
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Support for IPv6 PIM multicast routing protocol PIM-SMv2.
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If unsure, say N.
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config IPV6_SEG6_LWTUNNEL
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bool "IPv6: Segment Routing Header encapsulation support"
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depends on IPV6
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select LWTUNNEL
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select DST_CACHE
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select IPV6_MULTIPLE_TABLES
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---help---
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Support for encapsulation of packets within an outer IPv6
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header and a Segment Routing Header using the lightweight
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tunnels mechanism. Also enable support for advanced local
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processing of SRv6 packets based on their active segment.
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If unsure, say N.
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config IPV6_SEG6_HMAC
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bool "IPv6: Segment Routing HMAC support"
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depends on IPV6
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select CRYPTO_HMAC
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select CRYPTO_SHA1
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select CRYPTO_SHA256
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---help---
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Support for HMAC signature generation and verification
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of SR-enabled packets.
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If unsure, say N.
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config IPV6_SEG6_BPF
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def_bool y
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depends on IPV6_SEG6_LWTUNNEL
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depends on IPV6 = y
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endif # IPV6
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