http://netbsd.i2p/releases/formal-1.6/NetBSD-1.6.html
IPFilter now supports IPv6 filtering. ndbootd(8) added; used to netboot NetBSD/sun2 machines. racoon(8) added; IKE key management daemon for IPsec key
negotiation, from the KAME project. WEP encryption supported in ifconfig(8) and awi(4) driver. wi(4) and wiconfig(8) now support scanning for access points,
and defaults to BSS instead of ad-hoc mode. Bridging support; currently only for ethernet.