{"title":"Cisco1812J\u3067NAT\u3057\u3066\u3044\u308b\u6642\u306bDNS\u306e\u7279\u5b9a\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u30d1\u30b1\u30c3\u30c8\u304c\u843d\u3061\u308b\u4ef6","categories":["Cisco","DNS"],"author_name":"yuyarin","url":"https://yuyarin.hatenadiary.org/entry/20110624/1308922365","blog_url":"https://yuyarin.hatenadiary.org/","width":"100%","description":"\u74b0\u5883 1812J(IOS15.1)\u304c\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\uff06NAT\u7bb1\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3066\u3044\u308b\uff0e NAT\u4e0b(inside)\u306bDNS\u30b5\u30fc\u30d0\u304c\u3042\u308b static nat\u3068route-map\u3067tcp/udp53\u306e\u901a\u4fe1\u306fDialer2 IF\u7d4c\u7531\u3067DNS\u30b5\u30fc\u30d0\u306b\u5230\u9054\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\uff0e \u5916\u90e8(outside)\u304b\u3089\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u7d4c\u7531\u3057\u3066DNS\u30b5\u30fc\u30d0\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092IPv4\u3067\u9001\u3063\u3066\u3044\u308b\uff0e \u75c7\u72b6 IPv4\u306e\u901a\u4fe1\u3067NAT\u4e0b(inside)\u306eDNS\u30b5\u30fc\u30d0\u306b\u540d\u524d\u89e3\u6c7a(A)\u3084\u30be\u30fc\u30f3\u8ee2\u9001(AXFR)\u306e\u554f\u3044\u5408\u308f\u305b\u3092\u884c\u3063\u305f\u3068\u304d\u306b\uff0c\u30ec\u30b9\u30dd\u30f3\u30b9\uff08dst address\u306f\u554f\u3044\u5408\u308f\u305b\u5143\uff0csrc port\u306ftcp/udp53\uff09\u306b\u554f\u3044\u5408\u308f\u305b\u5143\u306eIPv\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyuyarin.hatenadiary.org%2Fentry%2F20110624%2F1308922365\" title=\"Cisco1812J\u3067NAT\u3057\u3066\u3044\u308b\u6642\u306bDNS\u306e\u7279\u5b9a\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u30d1\u30b1\u30c3\u30c8\u304c\u843d\u3061\u308b\u4ef6 - yuyarin\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","published":"2011-06-24 22:32:45","image_url":"http://www.yuyarin.net/screenshot/20110623040840.png","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/yuyarin/","type":"rich","height":"190","version":"1.0","blog_title":"yuyarin\u306e\u65e5\u8a18"}