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    [IPV4]: Sysctl configurable icmp error source address. · 1c2fb7f9
    J. Simonetti 提交于
    This patch alows you to change the source address of icmp error
    messages. It applies cleanly to 2.6.11.11 and retains the default
    behaviour.
    
    In the old (default) behaviour icmp error messages are sent with the ip
    of the exiting interface.
    
    The new behaviour (when the sysctl variable is toggled on), it will send
    the message with the ip of the interface that received the packet that
    caused the icmp error. This is the behaviour network administrators will
    expect from a router. It makes debugging complicated network layouts
    much easier. Also, all 'vendor routers' I know of have the later
    behaviour.
    Signed-off-by: NDavid S. Miller <davem@davemloft.net>
    1c2fb7f9
sysctl.h 24.9 KB