- { .code = DHCPV6_OPT_S46_RULE, .flags = OPT_INTERNAL, .str = NULL },
- { .code = DHCPV6_OPT_S46_BR, .flags = OPT_INTERNAL, .str = NULL },
- { .code = DHCPV6_OPT_S46_DMR, .flags = OPT_INTERNAL, .str = NULL },
- { .code = DHCPV6_OPT_S46_V4V6BIND, .flags = OPT_INTERNAL, .str = NULL },
- { .code = DHCPV6_OPT_S46_PORTPARAMS, .flags = OPT_INTERNAL, .str = NULL },
- { .code = DHCPV6_OPT_S46_CONT_MAPE, .flags = OPT_INTERNAL, .str = NULL },
- { .code = DHCPV6_OPT_S46_CONT_MAPT, .flags = OPT_INTERNAL, .str = NULL },
- { .code = DHCPV6_OPT_S46_CONT_LW, .flags = OPT_INTERNAL, .str = NULL },
+ { .code = DHCPV6_OPT_S46_RULE, .flags = OPT_INTERNAL | OPT_NO_PASSTHRU, .str = NULL },
+ { .code = DHCPV6_OPT_S46_BR, .flags = OPT_INTERNAL | OPT_NO_PASSTHRU, .str = NULL },
+ { .code = DHCPV6_OPT_S46_DMR, .flags = OPT_INTERNAL | OPT_NO_PASSTHRU, .str = NULL },
+ { .code = DHCPV6_OPT_S46_V4V6BIND, .flags = OPT_INTERNAL | OPT_NO_PASSTHRU, .str = NULL },
+ { .code = DHCPV6_OPT_S46_PORTPARAMS, .flags = OPT_INTERNAL | OPT_NO_PASSTHRU, .str = NULL },
+ { .code = DHCPV6_OPT_S46_CONT_MAPE, .flags = OPT_INTERNAL | OPT_NO_PASSTHRU, .str = NULL },
+ { .code = DHCPV6_OPT_S46_CONT_MAPT, .flags = OPT_INTERNAL | OPT_NO_PASSTHRU, .str = NULL },
+ { .code = DHCPV6_OPT_S46_CONT_LW, .flags = OPT_INTERNAL | OPT_NO_PASSTHRU, .str = NULL },