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vim gen_ipv6_from_mac.sh ------------------------ #!/bin/bash # vars IFACE=ens5 PREFIX=2001:abc:: PROG_IPV6CALC="/usr/bin/ipv6calc" # Script test prog [[ -e "${PROG_IPV6CALC}" ]] if [[ "$?" != "0" ]]; then echo -e "\n\tPlease install ipv6calc \n\tNot run script, exit. \n "; exit; fi #functions macaddr(){ ip link show | grep -A 1 ${IFACE} | grep ether | awk '{print $2}' } ipgen(){ ipv6calc --in prefix+mac ${PREFIX} "$(macaddr)" 2>/dev/null } ipaddressthen(){ ip -o a | grep ${IFACE} | grep "$(ipgen)" | awk '{print $4}' } badipaddressthen(){ echo "$(ipaddressthen)"|sed 's/\/64//' } # IP_ADDRESS_AND_PREFIX_LIKE="$(ipgen)/64" echo -e " \n\tInterface: \t${IFACE} \n\tPrefix:\t${PREFIX}\n\tIP address generated:\t$(ipgen) \n\tIP address then:\t$(ipaddressthen)\n" # Script add ip if [[ "$(badipaddressthen)" != "$(ipgen)" ]] then ip -6 a a ${IP_ADDRESS_AND_PREFIX_LIKE} dev ${IFACE} echo -e "ADD IP ${IP_ADDRESS_AND_PREFIX_LIKE} dev ${IFACE}" else echo -e "END" exit fi ------------------------ vim /etc/systemd/system/gen_ipv6_from_mac.service -------------------------------------------------- [Unit] Description=gen_ipv6_from_mac.sh [Service] Type=oneshot ExecStart=/usr/bin/gen_ipv6_from_mac.sh Restart=on-failure [Install] WantedBy=multi-user.target -------------------------------------------------- vim /etc/systemd/system/gen_ipv6_from_mac.timer ----------------------------------------------- [Unit] Description=gen_ipv6_from_mac [Timer] OnUnitActiveSec=30 [Install] WantedBy=timers.target ----------------------------------------------- systemctl daemon-reload systemctl enable gen_ipv6_from_mac.service systemctl enable gen_ipv6_from_mac.timer systemctl start gen_ipv6_from_mac.service systemctl start gen_ipv6_from_mac.timer systemctl status gen_ipv6_from_mac.service systemctl status gen_ipv6_from_mac.timer systemctl list-timers systemctl list-timers gen_ipv6_from_mac.timer /etc/systemd/system/gen_ipv6_from_mac.timer каждые 30 сек долбит в скрипт и для ipv6 генерируется адрес (естественно если его еще нет, то генерит, если есть, то не генерит) |