router id [our IPv4]; protocol bgp he { local as [our ASN]; source address [client IP given by HE]; import all; export filter { if net ~ [[the IPv6 block we want to announce]] then accept; reject; }; graceful restart on; neighbor [server IP given by HE] as 6939; } protocol static { route [the IPv6 block we want to announce] reject; } protocol direct { interface "dummy*"; import all; } protocol device { scan time 5; }