{"id":243,"date":"2025-05-11T08:20:00","date_gmt":"2025-05-10T23:20:00","guid":{"rendered":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=243"},"modified":"2025-10-13T16:20:19","modified_gmt":"2025-10-13T07:20:19","slug":"dhcp%ef%bc%88%e8%a8%ad%e5%ae%9a%ef%bc%89","status":"publish","type":"post","link":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=243","title":{"rendered":"DHCP\uff08\u8a2d\u5b9a\uff09"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Cisco\u30eb\u30fc\u30bf\u3092DHCP\u30b5\u30fc\u30d0\u3068\u3057\u3066\u5229\u7528\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cisco\u30eb\u30fc\u30bf\u3084L3\u30b9\u30a4\u30c3\u30c1\u306f\u3001DHCP\u30b5\u30fc\u30d0\u306e\u6a5f\u80fd\u3092\u6301\u3063\u3066\u304a\u308a\u3001PC\u306a\u3069\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u81ea\u52d5\u7684\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5927\u898f\u6a21\u306a\u74b0\u5883\u3067\u306f\u5c02\u7528\u306eDHCP\u30b5\u30fc\u30d0\u3092\u4f7f\u3046\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u304c\u3001\u5c0f\u898f\u6a21\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u30eb\u30fc\u30bf\u81ea\u8eab\u306bDHCP\u30b5\u30fc\u30d0\u306e\u5f79\u5272\u3092\u6301\u305f\u305b\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u8a66\u9a13\u3067\u3082\u300c\u30eb\u30fc\u30bf\u3092DHCP\u30b5\u30fc\u30d0\u3068\u3057\u3066\u52d5\u4f5c\u3055\u305b\u308b\u8a2d\u5b9a\u300d\u306f\u983b\u51fa\u30c6\u30fc\u30de\u3067\u3059\u306e\u3067\u3001\u6d41\u308c\u3092\u3057\u3063\u304b\u308a\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DHCP\u30b5\u30fc\u30d3\u30b9\u306e\u6709\u52b9\u5316<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cisco IOS\u3067\u306f\u3001DHCP\u30b5\u30fc\u30d3\u30b9\u306f\u57fa\u672c\u7684\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3082\u3057\u4f55\u3089\u304b\u306e\u7406\u7531\u3067\u7121\u52b9\u306b\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3067\u6709\u52b9\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# service dhcp<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u9664\u5916\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u306e\u8a2d\u5b9a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DHCP\u3067\u5272\u308a\u5f53\u3066\u3066\u306f\u3044\u3051\u306a\u3044\u30a2\u30c9\u30ec\u30b9\uff08\u30eb\u30fc\u30bf\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9IP\u3084\u30b5\u30fc\u30d0\u306e\u56fa\u5b9a\u30a2\u30c9\u30ec\u30b9\u306a\u3069\uff09\u306f\u3001\u9664\u5916\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# ip dhcp excluded-address 192.168.0.250 192.168.0.254<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\u3001192.168.0.250 \uff5e 192.168.0.254 \u306e\u7bc4\u56f2\u3092DHCP\u5272\u308a\u5f53\u3066\u5bfe\u8c61\u5916\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DHCP\u30d7\u30fc\u30eb\u306e\u4f5c\u6210\u3068\u8a2d\u5b9a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DHCP\u3067\u914d\u5e03\u3059\u308b\u30a2\u30c9\u30ec\u30b9\u7bc4\u56f2\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u3001\u307e\u305a\u30d7\u30fc\u30eb\u540d\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2460 <strong>\u30d7\u30fc\u30eb\u540d\u306e\u5b9a\u7fa9<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# ip dhcp pool SALES\n(dhcp-config)#<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u2461 <strong>\u914d\u5e03\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6307\u5b9a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(dhcp-config)# network 192.168.1.0 255.255.255.0<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u2462 <strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u8a2d\u5b9a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(dhcp-config)# default-router 192.168.1.254<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u2463 <strong>DNS\u30b5\u30fc\u30d0\u306e\u8a2d\u5b9a\uff08\u4efb\u610f\uff09<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(dhcp-config)# dns-server 172.16.1.10 172.16.1.11<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u2464 <strong>\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u8a2d\u5b9a\uff08\u4efb\u610f\uff09<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(dhcp-config)# domain-name infraexpert.com<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u2465 <strong>\u30ea\u30fc\u30b9\u671f\u9593\u306e\u8a2d\u5b9a\uff08\u4efb\u610f\uff09<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(dhcp-config)# lease 7<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f7\u65e5\u9593\u6709\u52b9\u3002<br>\u7121\u671f\u9650\u306b\u3059\u308b\u5834\u5408\u306f <code>lease infinite<\/code> \u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DHCP\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306e\u8a2d\u5b9a\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DHCP\u306e\u5272\u308a\u5f53\u3066\u60c5\u5831\u3092\u5916\u90e8\u306eFTP\/TFTP\u30b5\u30fc\u30d0\u306b\u4fdd\u5b58\u3059\u308b\u5834\u5408\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# ip dhcp database tftp:\/\/192.168.1.100\/dhcp.db<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u306b\u5916\u90e8\u4fdd\u5b58\u3092\u884c\u308f\u306a\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u3092\u63a8\u5968\u8a2d\u5b9a\u3068\u3057\u3066\u5165\u308c\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# no ip dhcp conflict logging<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">DHCP\u30b5\u30fc\u30d0\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u78ba\u8a8d\u30b3\u30de\u30f3\u30c9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u5b9a\u5f8c\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u72b6\u6cc1\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>show ip dhcp pool<\/code> \u2026 \u8a2d\u5b9a\u3057\u305fDHCP\u30d7\u30fc\u30eb\u306e\u60c5\u5831\u3092\u8868\u793a<\/li>\n\n\n\n<li><code>show ip dhcp binding<\/code> \u2026 \u5272\u308a\u5f53\u3066\u3089\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u3068MAC\u30a2\u30c9\u30ec\u30b9\u306e\u5bfe\u5fdc\u95a2\u4fc2\u3092\u8868\u793a<\/li>\n\n\n\n<li><code>show ip dhcp conflict<\/code> \u2026 IP\u30a2\u30c9\u30ec\u30b9\u306e\u7af6\u5408\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306e\u60c5\u5831\u3092\u78ba\u8a8d<\/li>\n\n\n\n<li><code>debug ip dhcp server packet<\/code> \u2026 DHCP\u95a2\u9023\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u8ffd\u8de1\uff08\u8a66\u9a13\u30e9\u30dc\u3067\u6709\u52b9\u3001\u672c\u756a\u74b0\u5883\u3067\u306f\u975e\u63a8\u5968\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a<br>\u30fb\u9664\u5916\u30a2\u30c9\u30ec\u30b9\u306e\u8a2d\u5b9a\u3092\u5fd8\u308c\u308b\u3068\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3084\u30b5\u30fc\u30d0\u306eIP\u307e\u3067\u914d\u5e03\u3055\u308c\u3066\u3057\u307e\u3046<br>\u30fbDHCP\u30d7\u30fc\u30eb\u8a2d\u5b9a\u3067\u306f <strong>network<\/strong> \u3068 <strong>default-router<\/strong> \u304c\u5fc5\u9808<br>\u30fb<code>lease<\/code> \u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306f\u300c1\u65e5\u300d<br>\u30fb<code>show ip dhcp binding<\/code> \u3067\u300c\u3069\u306ePC\u304c\u3069\u306eIP\u3092\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u3044\u308b\u304b\u300d\u3092\u78ba\u8a8d\u3067\u304d\u308b<br><br>\u8a66\u9a13\u3067\u306f\u300c\u3069\u306e\u30b3\u30de\u30f3\u30c9\u304c\u5fc5\u9808\u3067\u3001\u3069\u306e\u30b3\u30de\u30f3\u30c9\u304c\u30aa\u30d7\u30b7\u30e7\u30f3\u306a\u306e\u304b\u300d\u304c\u3088\u304f\u554f\u308f\u308c\u307e\u3059\u3002\u5fc5\u9808\u8981\u7d20\uff08network\u3068default-router\uff09\u306f\u78ba\u5b9f\u306b\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DHCP\u30ea\u30ec\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306e\u8a2d\u5b9a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">DHCP\u30b5\u30fc\u30d3\u30b9\u306e\u6709\u52b9\u5316\u306b\u3064\u3044\u3066<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cisco\u30eb\u30fc\u30bf\u3084\u30b9\u30a4\u30c3\u30c1\u3067DHCP\u95a2\u9023\u306e\u8a2d\u5b9a\u3092\u884c\u3046\u3068\u304d\u306f\u3001\u307e\u305a\u6a5f\u5668\u81ea\u4f53\u304cDHCP\u30b5\u30fc\u30d3\u30b9\u3092\u6271\u3048\u308b\u72b6\u614b\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3068\u306f\u3044\u3048\u3001Cisco IOS\u3067\u306f\u521d\u671f\u72b6\u614b\u304b\u3089DHCP\u30b5\u30fc\u30d3\u30b9\u304c\u6709\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u901a\u5e38\u306f\u7279\u5225\u306a\u64cd\u4f5c\u306f\u4e0d\u8981\u3067\u3059\u3002\u3082\u3057\u624b\u52d5\u3067\u518d\u5ea6\u6709\u52b9\u306b\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u30b3\u30f3\u30d5\u30a3\u30b0\u30e2\u30fc\u30c9\u3067 <code>service dhcp<\/code> \u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DHCP\u30ea\u30ec\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306e\u5f79\u5272<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DHCP\u306f\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u901a\u4fe1\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u7570\u306a\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5b58\u5728\u3059\u308bDHCP\u30b5\u30fc\u30d0\u3068\u306f\u76f4\u63a5\u3084\u308a\u53d6\u308a\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u3053\u3067\u767b\u5834\u3059\u308b\u306e\u304c\u300cDHCP\u30ea\u30ec\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u300d\u3067\u3059\u3002\u30ea\u30ec\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306eDHCP\u8981\u6c42\u3092\u53d7\u3051\u53d6\u308a\u3001\u76ee\u7684\u306eDHCP\u30b5\u30fc\u30d0\u3078\u30e6\u30cb\u30ad\u30e3\u30b9\u30c8\u3067\u8ee2\u9001\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\u3068\u3057\u3066\u306f\u3001\u300cDHCP\u30ea\u30ec\u30fc\u306f\u3069\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u8a2d\u5b9a\u3059\u308b\u304b\u300d\u3092\u6b63\u78ba\u306b\u62bc\u3055\u3048\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u63a5\u7d9a\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u8a2d\u5b9a\u3059\u308b\u3001\u3068\u899a\u3048\u3066\u304a\u304f\u3068\u6df7\u4e71\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ip helper-address \u30b3\u30de\u30f3\u30c9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ea\u30ec\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3092\u6709\u52b9\u5316\u3059\u308b\u969b\u306b\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30b3\u30f3\u30d5\u30a3\u30b0\u30e2\u30fc\u30c9\u306b\u5165\u308a <code>ip helper-address DHCP\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9<\/code> \u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001DHCP\u30b5\u30fc\u30d0\u304c 192.168.2.10 \u306b\u3042\u308b\u5834\u5408\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# interface GigabitEthernet 0\/0\n(config-if)# ip helper-address 192.168.2.10<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3067\u3001\u30eb\u30fc\u30bf\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306eDHCP\u8981\u6c42\u3092\u30b5\u30fc\u30d0\u3078\u8ee2\u9001\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ip forward-protocol \u30b3\u30de\u30f3\u30c9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u306f <code>ip helper-address<\/code> \u3067\u8ee2\u9001\u3055\u308c\u308b\u306e\u306fDHCP\u901a\u4fe1\uff08UDP 67\u30fb68\u756a\u30dd\u30fc\u30c8\uff09\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002Cisco IOS\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u30678\u7a2e\u985e\u306eUDP\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u304c\u30e6\u30cb\u30ad\u30e3\u30b9\u30c8\u306b\u5909\u63db\u3055\u308c\u3001\u30b5\u30fc\u30d0\u306b\u8ee2\u9001\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30dd\u30fc\u30c8\u756a\u53f7<\/th><th>\u30d7\u30ed\u30c8\u30b3\u30eb<\/th><th>\u30b5\u30fc\u30d3\u30b9\u540d<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead><tbody><tr><td>37<\/td><td>UDP<\/td><td>time<\/td><td>\u6642\u523b\u540c\u671f<\/td><\/tr><tr><td>42<\/td><td>UDP<\/td><td>nameserver<\/td><td>\u30db\u30b9\u30c8\u540d\u89e3\u6c7a<\/td><\/tr><tr><td>53<\/td><td>UDP<\/td><td>domain<\/td><td>DNS<\/td><\/tr><tr><td>67<\/td><td>UDP<\/td><td>bootps<\/td><td>DHCP\u30b5\u30fc\u30d0\u5074<\/td><\/tr><tr><td>68<\/td><td>UDP<\/td><td>bootpc<\/td><td>DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074<\/td><\/tr><tr><td>69<\/td><td>UDP<\/td><td>tftp<\/td><td>\u8efd\u91cf\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001<\/td><\/tr><tr><td>137<\/td><td>UDP<\/td><td>netbios-ns<\/td><td>NetBIOS\u540d\u89e3\u6c7a<\/td><\/tr><tr><td>138<\/td><td>UDP<\/td><td>netbios-dgm<\/td><td>NetBIOS\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3082\u3057\u4e0d\u8981\u306a\u3082\u306e\u3092\u8ee2\u9001\u3057\u305f\u304f\u306a\u3044\u5834\u5408\u306f\u3001<code>no ip forward-protocol udp \u30b5\u30fc\u30d3\u30b9\u540d<\/code> \u3092\u4f7f\u3063\u3066\u5236\u9650\u3067\u304d\u307e\u3059\u3002\u9006\u306b\u3001\u65b0\u3057\u3044\u30b5\u30fc\u30d3\u30b9\u3092\u8ffd\u52a0\u3067\u8ee2\u9001\u3057\u305f\u3044\u3068\u304d\u306f <code>ip forward-protocol udp \u30b5\u30fc\u30d3\u30b9\u540d<\/code> \u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e0d\u8981\u306a\u8ee2\u9001\u3092\u7981\u6b62\u3059\u308b\u8a2d\u5b9a\u4f8b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001DHCP\u95a2\u9023\u306e\u300cbootps\u300d\u3068\u300cbootpc\u300d\u3060\u3051\u3092\u6b8b\u3057\u3001\u4ed6\u306e\u8ee2\u9001\u3092\u3059\u3079\u3066\u7121\u52b9\u306b\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u6b21\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# interface vlan 10\n(config-if)# ip address 192.168.1.254 255.255.255.0\n(config-if)# ip helper-address 192.168.2.10\n\n(config)# no ip forward-protocol udp tftp\n(config)# no ip forward-protocol udp nameserver\n(config)# no ip forward-protocol udp domain\n(config)# no ip forward-protocol udp time\n(config)# no ip forward-protocol udp netbios-ns\n(config)# no ip forward-protocol udp netbios-dgm<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001DHCP\u4ee5\u5916\u306e\u4e0d\u8981\u306a\u8ee2\u9001\u3092\u6291\u5236\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8ee2\u9001\u5bfe\u8c61\u3092\u8ffd\u52a0\u3059\u308b\u8a2d\u5b9a\u4f8b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3082\u3057\u300cmobile-ip\u300d\u3068\u3044\u3046UDP\u901a\u4fe1\u3082\u8ee2\u9001\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u6b21\u306e\u3088\u3046\u306b\u8ffd\u52a0\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# interface vlan 10\n(config-if)# ip address 192.168.1.254 255.255.255.0\n(config-if)# ip helper-address 192.168.2.10\n\n(config)# ip forward-protocol udp mobile-ip<\/code><\/pre>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a\u300cip helper-address \u306fDHCP\u3060\u3051\u3067\u306a\u304f\u8907\u6570\u306eUDP\u30b5\u30fc\u30d3\u30b9\u3092\u8ee2\u9001\u3059\u308b\u300d\u3053\u3068\u304c\u72d9\u308f\u308c\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\u7279\u306b\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u8ee2\u9001\u3055\u308c\u308b8\u7a2e\u985e\u306eUDP\u30b5\u30fc\u30d3\u30b9\u306f\u8868\u3054\u3068\u899a\u3048\u3066\u304a\u304f\u3068\u5b89\u5fc3\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u8a2d\u5b9a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Cisco\u30eb\u30fc\u30bf\u3092DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u3059\u308b\u30b1\u30fc\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u3001Cisco\u30eb\u30fc\u30bf\u306fDHCP\u30b5\u30fc\u30d0\u3084DHCP\u30ea\u30ec\u30fc\u3068\u3057\u3066\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u30eb\u30fc\u30bf\u81ea\u8eab\u304cDHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u306a\u308b\u3053\u3068\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u4f8b\u5916\u3068\u3057\u3066\u3001ISP\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\uff09\u304b\u3089\u30d6\u30ed\u30fc\u30c9\u30d0\u30f3\u30c9\u56de\u7dda\u3092\u63d0\u4f9b\u3055\u308c\u308b\u5834\u5408\u306b\u306f\u3001WAN\u5074\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304cDHCP\u3067\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u5bb6\u5ead\u7528\u30eb\u30fc\u30bf\u304c\u30d7\u30ed\u30d0\u30a4\u30c0\u304b\u3089\u81ea\u52d5\u7684\u306b\u30b0\u30ed\u30fc\u30d0\u30ebIP\u3092\u3082\u3089\u3046\u4ed5\u7d44\u307f\u3068\u540c\u3058\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ip address dhcp \u30b3\u30de\u30f3\u30c9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30eb\u30fc\u30bf\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b <code>ip address dhcp<\/code> \u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u305d\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306fDHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u3057\u3066\u52d5\u4f5c\u3057\u3001DHCP\u30b5\u30fc\u30d0\u304b\u3089\u81ea\u52d5\u7684\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u3001DHCP\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u542b\u307e\u308c\u308b\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u60c5\u5831\uff09\u3082\u4e00\u7dd2\u306b\u53cd\u6620\u3055\u308c\u308b\u305f\u3081\u3001\u30eb\u30fc\u30bf\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u81ea\u52d5\u7684\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config-if)# ip address dhcp<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">ISP\u63a5\u7d9a\u3092\u60f3\u5b9a\u3057\u305f\u8a2d\u5b9a\u4f8b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u3001LAN\u5074\u3092 192.168.1.0\/24 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u56fa\u5b9a\u3057\u3001WAN\u5074\u3092DHCP\u3067\u30a2\u30c9\u30ec\u30b9\u53d6\u5f97\u3059\u308b\u69cb\u6210\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001LAN\u304b\u3089\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306bNAT\u3092\u4f75\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>R3(config)# interface GigabitEthernet 0\/0\nR3(config-if)# ip address 192.168.1.254 255.255.255.0\nR3(config-if)# ip nat inside\n\nR3(config)# interface GigabitEthernet 0\/1\nR3(config-if)# ip address dhcp\nR3(config-if)# ip nat outside\n\nR3(config)# ip route 0.0.0.0 0.0.0.0 dhcp\n\nR3(config)# ip nat inside source list 1 interface GigabitEthernet 0\/1 overload\nR3(config)# access-list 1 permit 192.168.1.0 0.0.0.255<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a2d\u5b9a\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u6574\u7406\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GigabitEthernet0\/0\uff08LAN\u5074\uff09<\/strong><br>\u56fa\u5b9aIP\u30a2\u30c9\u30ec\u30b9\uff08192.168.1.254\uff09\u3092\u8a2d\u5b9a\u3057\u3001NAT\u306e\u300c\u5185\u5074\u300d\u3068\u3057\u3066\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>GigabitEthernet0\/1\uff08WAN\u5074\uff09<\/strong><br>DHCP\u3067IP\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3057\u3001NAT\u306e\u300c\u5916\u5074\u300d\u3068\u3057\u3066\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002ISP\u304b\u3089\u81ea\u52d5\u7684\u306b\u30a2\u30c9\u30ec\u30b9\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u90e8\u5206\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u306e\u8a2d\u5b9a<\/strong><br><code>ip route 0.0.0.0 0.0.0.0 dhcp<\/code> \u306b\u3088\u308a\u3001DHCP\u3067\u914d\u5e03\u3055\u308c\u305f\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306b\u5f93\u3063\u3066\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u304c\u81ea\u52d5\u7684\u306b\u5f35\u3089\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>NAT\u306e\u8a2d\u5b9a<\/strong><br>LAN\u5185\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30a2\u30c9\u30ec\u30b9\u3092WAN\u5074\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u30a2\u30c9\u30ec\u30b9\u3078\u5909\u63db\u3057\u3066\u3044\u307e\u3059\u3002<code>overload<\/code> \u3092\u4ed8\u4e0e\u3059\u308b\u3053\u3068\u3067PAT\uff08\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u4f7f\u3063\u305f\u30a2\u30c9\u30ec\u30b9\u5909\u63db\uff09\u304c\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a\u300c\u30eb\u30fc\u30bf\u3092DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u3067\u304d\u308b\u300d\u3068\u3044\u3046\u70b9\u305d\u306e\u3082\u306e\u304c\u554f\u308f\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001<code>ip route 0.0.0.0 0.0.0.0 dhcp<\/code> \u306b\u3088\u3063\u3066\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u304cDHCP\u30b5\u30fc\u30d0\u304b\u3089\u53d7\u3051\u53d6\u308c\u308b\u3001\u3068\u3044\u3046\u4ed5\u69d8\u3082\u72d9\u308f\u308c\u3084\u3059\u3044\u3068\u3053\u308d\u3067\u3059\u3002\u7279\u306b\u3001NAT\u3084ISP\u63a5\u7d9a\u306e\u30b7\u30ca\u30ea\u30aa\u3068\u5408\u308f\u305b\u3066\u51fa\u984c\u3055\u308c\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308b\u305f\u3081\u3001\u5358\u306a\u308bDHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8a2d\u5b9a\u3060\u3051\u3067\u306a\u304f\u300cNAT\u3068\u7d44\u307f\u5408\u308f\u305b\u3066WAN\u63a5\u7d9a\u3092\u5b9f\u73fe\u3059\u308b\u6d41\u308c\u300d\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u3068\u5b89\u5fc3\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DHCP\u30aa\u30d7\u30b7\u30e7\u30f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">DHCP\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u306f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DHCP\u30b5\u30fc\u30d0\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3078\u6e21\u3059\u60c5\u5831\u306f\u3001\u5358\u306a\u308bIP\u30a2\u30c9\u30ec\u30b9\u3084\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b9f\u969b\u306b\u306f\u300cDHCP\u30aa\u30d7\u30b7\u30e7\u30f3\u300d\u3068\u547c\u3070\u308c\u308b\u30bf\u30b0\u4ed8\u304d\u306e\u9805\u76ee\u3092\u901a\u3058\u3066\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3084DNS\u30b5\u30fc\u30d0\u306a\u3069\u306e\u8ffd\u52a0\u60c5\u5831\u3082\u4e00\u7dd2\u306b\u4f1d\u3048\u3089\u308c\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u7279\u5b9a\u306e\u6a5f\u5668\u306b\u5408\u308f\u305b\u305f\u62e1\u5f35\u8a2d\u5b9a\u3092\u6e21\u3059\u3053\u3068\u3082\u3067\u304d\u308b\u305f\u3081\u3001\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u91cd\u8981\u306a\u5f79\u5272\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u306f\u300c\u30a2\u30d1\u30fc\u30c8\u3092\u501f\u308a\u305f\u3068\u304d\u306b\u3001\u90e8\u5c4b\u306e\u9375\u3060\u3051\u3067\u306a\u304f\u30b4\u30df\u51fa\u3057\u306e\u30eb\u30fc\u30eb\u3084\u975e\u5e38\u53e3\u306e\u5834\u6240\u3082\u4e00\u7dd2\u306b\u8aac\u660e\u3055\u308c\u308b\u300d\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u304c\u300c\u9375\u300d\u3060\u3068\u3059\u308b\u3068\u3001DHCP\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u300c\u751f\u6d3b\u306b\u5fc5\u8981\u306a\u88dc\u8db3\u60c5\u5831\u300d\u306b\u3042\u305f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3088\u304f\u4f7f\u308f\u308c\u308bDHCP\u30aa\u30d7\u30b7\u30e7\u30f3\u756a\u53f7<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cisco\u6a5f\u5668\u3067\u7279\u306b\u3088\u304f\u767b\u5834\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002\u8a66\u9a13\u3067\u306f\u756a\u53f7\u3068\u7528\u9014\u3092\u30bb\u30c3\u30c8\u3067\u899a\u3048\u3066\u304a\u304f\u3068\u5b89\u5fc3\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30aa\u30d7\u30b7\u30e7\u30f3\u756a\u53f7<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td>43<\/td><td>WLC\uff08\u30ef\u30a4\u30e4\u30ec\u30b9LAN\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\uff09\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092Cisco Aironet\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306b\u901a\u77e5\u3059\u308b<\/td><\/tr><tr><td>60<\/td><td>VCI\uff08Vendor Class Identifier\uff09\u3092\u4f1d\u3048\u308b<\/td><\/tr><tr><td>150<\/td><td>Cisco IP Phone\u306bTFTP\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u901a\u77e5\u3059\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">DHCP\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30aa\u30d7\u30b7\u30e7\u30f3\u306fDHCP\u30d7\u30fc\u30eb\u8a2d\u5b9a\u30e2\u30fc\u30c9\u3067 <code>option \u30b3\u30fc\u30c9\u756a\u53f7 [ ascii | hex | ip ]<\/code> \u306e\u5f62\u5f0f\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002\u6e21\u3057\u305f\u3044\u60c5\u5831\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066\u3001\u6587\u5b57\u5217\uff08ascii\uff09\u300116\u9032\u6570\uff08hex\uff09\u3001IP\u30a2\u30c9\u30ec\u30b9\uff08ip\uff09\u3092\u9078\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(dhcp-config)# option code &#91; ascii string | hex string | ip address ]<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Cisco IP Phone \u3078\u306e\u914d\u5e03\u4f8b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cisco\u88fdIP Phone\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u3001\u7279\u306b\u300c\u30aa\u30d7\u30b7\u30e7\u30f3150\u300d\u3092\u4f7f\u3063\u3066TFTP\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u901a\u77e5\u3059\u308b\u306e\u304c\u5b9a\u756a\u3067\u3059\u3002IP Phone\u306f\u8d77\u52d5\u6642\u306bTFTP\u304b\u3089\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001CUCM\uff08Cisco Unified Communications Manager\uff09\u3068\u901a\u4fe1\u3092\u958b\u59cb\u3059\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u3001IP Phone\u306b\u57fa\u672c\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u60c5\u5831\u3068TFTP\u30b5\u30fc\u30d0\uff08172.16.10.11 \u3068 172.16.10.12\uff09\u306e\u60c5\u5831\u3092\u914d\u5e03\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# no ip dhcp conflict logging\n(config)# ip dhcp excluded-address 192.168.10.1 192.168.10.10\n\n(config)# ip dhcp pool IP-Phone-Net\n(dhcp-config)# network 192.168.10.0 255.255.255.0\n(dhcp-config)# default-router 192.168.10.1\n(dhcp-config)# domain-name infraexpert.com\n(dhcp-config)# dns-server 10.1.1.11 10.1.1.12\n(dhcp-config)# option 150 ip 172.16.10.11 172.16.10.12\n(dhcp-config)# lease infinite<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3088\u3046\u306b\u3001Cisco\u88fd\u54c1\u540c\u58eb\u306e\u5834\u5408\u306f\u6bd4\u8f03\u7684\u30b7\u30f3\u30d7\u30eb\u306b\u8a2d\u5b9a\u304c\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Avaya IP Phone \u3078\u306e\u914d\u5e03\u4f8b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u65b9\u3001\u4ed6\u793e\u88fd\u306eIP Phone\uff08\u4f8b\uff1aAvaya\uff09\u3067\u306f\u3001\u3088\u308a\u8907\u96d1\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u8a2d\u5b9a\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002Avaya\u306e\u5834\u5408\u306f\u300c\u30aa\u30d7\u30b7\u30e7\u30f3242\u300d\u306b\u6587\u5b57\u5217\uff08ascii\uff09\u3067\u8907\u6570\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u307e\u3068\u3081\u3066\u6e21\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(config)# no ip dhcp conflict logging\n(config)# ip dhcp excluded-address 192.168.10.1 192.168.10.10\n\n(config)# ip dhcp pool IP-Phone-Net\n(dhcp-config)# network 192.168.10.0 255.255.255.0\n(dhcp-config)# default-router 192.168.10.1\n(dhcp-config)# option 242 ascii MCIPADD=172.16.10.10,HTTPSRVR=172.16.10.10,HTTPDIR=tftpboot\n(dhcp-config)# lease infinite<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3088\u3046\u306b\u3001Cisco\u4ee5\u5916\u306e\u30d9\u30f3\u30c0\u30fc\u6a5f\u5668\u3067\u306fDHCP\u30b5\u30fc\u30d0\u8a2d\u5b9a\u304c\u8907\u96d1\u5316\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u3001\u5b9f\u52d9\u3067\u306fInfoblox\u306a\u3069\u5c02\u7528\u306eDHCP\u30a2\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3092\u5229\u7528\u3059\u308b\u30b1\u30fc\u30b9\u3082\u591a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\">\u8a66\u9a13\u5bfe\u7b56\uff1a\u7279\u306b\u300cDHCP\u30aa\u30d7\u30b7\u30e7\u30f3150\uff1dCisco IP Phone\u7528\u306eTFTP\u30b5\u30fc\u30d0\u901a\u77e5\u300d\u3068\u3044\u3046\u77e5\u8b58\u304c\u3088\u304f\u554f\u308f\u308c\u307e\u3059\u3002\u756a\u53f7\u3068\u7528\u9014\u3092\u78ba\u5b9f\u306b\u62bc\u3055\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u8a2d\u5b9a\u306e\u57fa\u672c\u7684\u306a\u66f8\u5f0f\uff08<code>option code<\/code> \u306e\u4f7f\u3044\u65b9\uff09\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6\u307e\u3068\u3081\u30b9\u30e9\u30a4\u30c9<\/h2>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/05\/DHCP\uff08\u8a2d\u5b9a\uff09.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"DHCP\uff08\u8a2d\u5b9a\uff09\u306e\u57cb\u3081\u8fbc\u307f\u3002\"><\/object><a id=\"wp-block-file--media-e5d87710-e75a-4ea4-a27e-4549c84c4362\" href=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/05\/DHCP\uff08\u8a2d\u5b9a\uff09.pdf\">DHCP\uff08\u8a2d\u5b9a\uff09<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cisco\u30eb\u30fc\u30bf\u3092DHCP\u30b5\u30fc\u30d0\u3068\u3057\u3066\u5229\u7528\u3059\u308b\u65b9\u6cd5 Cisco\u30eb\u30fc\u30bf\u3084L3\u30b9\u30a4\u30c3\u30c1\u306f\u3001DHCP\u30b5\u30fc\u30d0\u306e\u6a5f\u80fd\u3092\u6301\u3063\u3066\u304a\u308a\u3001PC\u306a\u3069\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u81ea\u52d5\u7684\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5927\u898f\u6a21\u306a\u74b0\u5883\u3067\u306f\u5c02\u7528\u306eDHC [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[14],"tags":[],"class_list":["post-243","post","type-post","status-publish","format-standard","hentry","category-ip-service"],"_links":{"self":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=243"}],"version-history":[{"count":5,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/243\/revisions"}],"predecessor-version":[{"id":722,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/243\/revisions\/722"}],"wp:attachment":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}