{"id":7292,"date":"2021-03-28T08:41:49","date_gmt":"2021-03-27T23:41:49","guid":{"rendered":"https:\/\/www.stuffy.site\/computers\/?p=7292"},"modified":"2022-04-23T08:05:40","modified_gmt":"2022-04-22T23:05:40","slug":"aws%e3%81%a7dhcp6%e3%82%92%e6%9c%89%e5%8a%b9%e3%81%ab%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.stuffy.site\/computers\/archives\/7292","title":{"rendered":"AWS\u3067DHCPv6\u3092\u6709\u52b9\u306b\u3059\u308b"},"content":{"rendered":"\n

AWS\u30e6\u30fc\u30b6\u30fc\u30ac\u30a4\u30c9\u306eIPv6\u3078\u306e\u79fb\u884c<\/a> \u30b7\u30ca\u30ea\u30aa\u306b\u3057\u305f\u304c\u3063\u3066CentOS7\u306eDHCPv6\u3092\u6709\u52b9\u306b\u3057\u305f\u624b\u9806\u3092\u672a\u6765\u306e\u81ea\u5206\u306b\u30e1\u30e2\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u3000\u307e\u305a\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5185\u304b\u3089\u5916\u306b\u5411\u3051\u3066ping6 \u3092\u6253\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n

$ ping6 ipv6.google.com<\/span>
\nconnect: Network is unreachable<\/pre>\n\n\n
\u5c4a\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u306d\u3002\u305d\u3053\u3067\u4ee5\u4e0b\u306e\u30ab\u30b9\u30bf\u30e0\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3066\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n\n\n
# vi \/etc\/cloud\/cloud.cfg.d\/99-custom-networking.cfg<\/span>
\nnetwork:\n  version: 1\n  config:\n  - type: physical\n    name: eth0\n    subnets:\n      - type: dhcp\n      - type: dhcp6<\/pre>\n
\u3053\u3053\u304b\u3089ifcfg-eth0\u3092\u624b\u52d5\u3067\u7de8\u96c6\u3057\u307e\u3059\u3002<\/p>\n
# vi \/etc\/sysconfig\/network-scripts\/ifcfg-eth0<\/span>
\nIPV6INIT=no\n\u2193\nIPV6INIT=yes
\nDHCPV6C=yes (\u8ffd\u8a18\nNM_CONTROLLED=no (\u8ffd\u8a18<\/pre>\n\n\n
\/etc\/sysconfig\/network \u3092\u958b\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8ffd\u8a18\u3057\u3066\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n\n\n
# vi \/etc\/sysconfig\/network<\/span>
\nNETWORKING_IPV6=yes (\u8ffd\u8a18<\/pre>\n\n\n
\u7d9a\u3044\u3066\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3067\/etc\/sysctl.d \u4e0b\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u56fa\u6709\u30d5\u30a1\u30a4\u30eb\u306baccept_ra=1\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n
# echo \"net.ipv6.conf.eth0.accept_ra=1\" > \/etc\/sysctl.d\/enable-ipv6-ra.conf && sysctl -p \/etc\/sysctl.d\/enable-ipv6-ra.conf<\/span><\/pre>\n
accept_ra = 1 \u3068\u78ba\u5b9a\u3057\u3066\u3044\u308c\u3070OK\u3067\u3059\u3002<\/p>\n
# ssysctl -a | grep \"net.ipv6.conf.eth0.accept_ra\"<\/span>\nsysctl: reading key \"net.ipv6.conf.all.stable_secret\"\nsysctl: reading key \"net.ipv6.conf.default.stable_secret\"\nsysctl: reading key \"net.ipv6.conf.eth0.stable_secret\"\nsysctl: reading key \"net.ipv6.conf.lo.stable_secret\"\nnet.ipv6.conf.eth0.accept_ra<\/span> = 1\nnet.ipv6.conf.eth0.accept_ra<\/span>_defrtr = 1\nnet.ipv6.conf.eth0.accept_ra<\/span>_pinfo = 1\nnet.ipv6.conf.eth0.accept_ra<\/span>_rt_info_max_plen = 0\nnet.ipv6.conf.eth0.accept_ra<\/span>_rtr_pref = 1<\/pre>\n\n\n
\u6700\u5f8c\u306bsystemctl restart network \u3067\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u518d\u8d77\u52d5\u3057\u3066ping6\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n
$ ping6 ipv6.google.com<\/span>
\nPING ipv6.google.com(nrt20s08-in-x0e.1e100.net (2404:6800:4004:808::200e)) 56 data bytes\n64 bytes from nrt20s08-in-x0e.1e100.net (2404:6800:4004:808::200e): icmp_seq=1 ttl=104 time=2.32 ms\n64 bytes from nrt20s08-in-x0e.1e100.net (2404:6800:4004:808::200e): icmp_seq=2 ttl=104 time=2.40 ms\n64 bytes from nrt20s08-in-x0e.1e100.net (2404:6800:4004:808::200e): icmp_seq=3 ttl=104 time=2.35 ms\n64 bytes from nrt20s08-in-x0e.1e100.net (2404:6800:4004:808::200e): icmp_seq=4 ttl=104 time=2.38 ms<\/pre>\n\n\n
\u4eca\u5ea6\u306fping6 \u304c\u5230\u9054\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u53c2\u8003\u30b5\u30a4\u30c8\uff1a<\/p>\n\n\n\n
Amazon Virtual Private Cloud – \u30e6\u30fc\u30b6\u30fc\u30ac\u30a4\u30c9<\/a><\/p>\n\n\n\n
Crontis: AWS EC2 IPv6 not working<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
AWS\u30e6\u30fc\u30b6\u30fc\u30ac\u30a4\u30c9\u306eIPv6\u3078\u306e\u79fb\u884c \u30b7\u30ca\u30ea\u30aa\u306b\u3057\u305f\u304c\u3063\u3066CentOS7\u306eDHCPv6\u3092\u6709\u52b9\u306b\u3057\u305f\u624b\u9806\u3092\u672a\u6765\u306e\u81ea\u5206\u306b\u30e1\u30e2\u3057\u307e\u3059\u3002 \u3000\u307e\u305a\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5185\u304b\u3089\u5916\u306b\u5411\u3051\u3066ping6 \u3092\u6253\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32,5],"tags":[],"class_list":["post-7292","post","type-post","status-publish","format-standard","hentry","category-aws-2","category-centos7"],"_links":{"self":[{"href":"https:\/\/www.stuffy.site\/computers\/wp-json\/wp\/v2\/posts\/7292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stuffy.site\/computers\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stuffy.site\/computers\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stuffy.site\/computers\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stuffy.site\/computers\/wp-json\/wp\/v2\/comments?post=7292"}],"version-history":[{"count":2,"href":"https:\/\/www.stuffy.site\/computers\/wp-json\/wp\/v2\/posts\/7292\/revisions"}],"predecessor-version":[{"id":8629,"href":"https:\/\/www.stuffy.site\/computers\/wp-json\/wp\/v2\/posts\/7292\/revisions\/8629"}],"wp:attachment":[{"href":"https:\/\/www.stuffy.site\/computers\/wp-json\/wp\/v2\/media?parent=7292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stuffy.site\/computers\/wp-json\/wp\/v2\/categories?post=7292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stuffy.site\/computers\/wp-json\/wp\/v2\/tags?post=7292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}