OPT_TCPMSSFIXUP
optval(arg->bundle, OPT_TCPMSSFIXUP));
bundle.cfg.opt = OPT_IDCHECK | OPT_LOOPBACK | OPT_SROUTES | OPT_TCPMSSFIXUP |
"disable|enable", (const void *)OPT_TCPMSSFIXUP},
if (!Enabled(bundle, OPT_TCPMSSFIXUP))