[OBbflen] { "bflen", Tulong },
[OBdumpfile] { "dumpfile", Tstr },
[OBdomainname] { "dom", Tstr },
-[OBswapserver] { "swap", Taddrs },
+[OBrootserver] { "rootserver", Taddrs },
[OBrootpath] { "rootpath", Tstr },
[OBextpath] { "extpath", Tstr },
[OBipforward] { "ipforward", Taddrs },