Yes. Pretty easy.

/routing filter
add action=accept chain=bgp-out-gtt comment="GTT Blackhole" prefix-length=32 set-bgp-communities=3257:2666

/routing bgp network
add disabled=yes network=1.1.1.1/32 synchronize=no

The filter (at the top of the list) matches any /32 in the BGP network list and tags it with the blackhole community.

On 6/20/2016 6:35 PM, Matt wrote:
Has anyone used BGP and Remote-Triggered BlackHole with Mikrotik to
help deal with DOS attacks?  Any examples of getting it too work with
Mikrotik?

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