Multicast support, including routing, is available.
RIPv2 support is available.
BSD IPv6 APIs are available.
High performance extensions in RFC 1323 are supported.
IGMPv2 is supported.
All tunables in previous releases are now dynamic.
Relevant limits can be changed using the Network Configuration Manager,
inconfig
or
ifconfig ,
without the need to relink the kernel or reboot the system.