The BGP blackhole is done differently than Cogent using community string 6939:666
Hurricane Electric AS is 6xxx.
Please refer the similar KB for Router0-Cogent:
Vyatta Routing and Policy Configuration (Router0-Cogent)
The BGP blackhole is done differently than Cogent using community string 6939:666
Hurricane Electric AS is 6xxx.
Please refer the similar KB for Router0-Cogent:
Vyatta Routing and Policy Configuration (Router0-Cogent)