depends on INET && IPV6!=n && NETFILTER config IP6_NF_TARGET_HL tristate ' HL target support' depends on IP6_NF_FILTER help HL target support CONFIG_IP6_NF_TARGET_HL This option adds a `HL' target, which allows you to modify the value of IPv6 Hop Limit field. If you want to compile it as a module, say M here and read . If unsure, say `N'.