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    ipv6: Allow accepting RA from local IP addresses. · d9333196
    Ben Greear 提交于
    This can be used in virtual networking applications, and
    may have other uses as well.  The option is disabled by
    default.
    
    A specific use case is setting up virtual routers, bridges, and
    hosts on a single OS without the use of network namespaces or
    virtual machines.  With proper use of ip rules, routing tables,
    veth interface pairs and/or other virtual interfaces,
    and applications that can bind to interfaces and/or IP addresses,
    it is possibly to create one or more virtual routers with multiple
    hosts attached.  The host interfaces can act as IPv6 systems,
    with radvd running on the ports in the virtual routers.  With the
    option provided in this patch enabled, those hosts can now properly
    obtain IPv6 addresses from the radvd.
    Signed-off-by: NBen Greear <greearb@candelatech.com>
    Signed-off-by: NDavid S. Miller <davem@davemloft.net>
    d9333196
ndisc.c 43.5 KB