Re: nft -- documentation on fib_addrtype missing, more data

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On Thu, Oct 10, 2019 at 02:45:59PM -0700, Stephen Satchell wrote:
> Poking around looking for more information, I ran across this little tidbit:
> 
> From man 7 rtnetlink:
>       rtm_type          Route type
>       -----------------------------------------------------------------
>       RTN_UNSPEC        unknown route
>       RTN_UNICAST       a gateway or direct route
>       RTN_LOCAL         a local interface route
>       RTN_BROADCAST     a local broadcast route (sent as a broadcast)
>       RTN_ANYCAST       a local broadcast route (sent as a unicast)
>       RTN_MULTICAST     a multicast route
>       RTN_BLACKHOLE     a packet dropping route
>       RTN_UNREACHABLE   an unreachable destination
>       RTN_PROHIBIT      a packet rejection route
>       RTN_THROW         continue routing lookup in another table
> 
> This clears up the confusion I had about "anycast" versus "broadcast".
> 
> Is there a shell tool that will show the route type(s) for a
> specified address?

# nft describe fib saddr type
fib expression, datatype fib_addrtype (fib address type) (basetype integer), 32 bits

pre-defined symbolic constants (in decimal):
        unspec                                             0
        unicast                                            1
        local                                              2
        broadcast                                          3
        anycast                                            4
        multicast                                          5
        blackhole                                          6
        unreachable                                        7
        prohibit                                           8




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