{"id":91,"date":"2010-03-10T22:42:57","date_gmt":"2010-03-10T22:42:57","guid":{"rendered":"http:\/\/www.huzs.top\/?p=91"},"modified":"2010-03-10T22:42:57","modified_gmt":"2010-03-10T22:42:57","slug":"91","status":"publish","type":"post","link":"https:\/\/www.huzs.top\/?p=91","title":{"rendered":"\u3010Linux\u670d\u52a1\u5668\u914d\u7f6e\u3011DHCP\u4e0eNAT v1.0"},"content":{"rendered":"

LINUX\u4e0b\u7684DHCP\u670d\u52a1\u5668\u914d\u7f6e<\/span><\/strong>\\n\\n\u4e00\u3001\u5b89\u88c5DHCP\u7684\u670d\u52a1\u8f6f\u4ef6\u5305<\/strong>\\n\u65b9\u6cd5\u4e00\uff1a\\n#\u00a0 mount\u00a0 \/dev\/cdrom\\n#\u00a0 cd\u00a0 \/mnt\/cdrom\/RedHat\/RPMS\\n#\u00a0 rpm\u00a0 \u2013ivh\u00a0 dhcp-3.0pl1-23.i386.rpm\\n\u65b9\u6cd5\u4e8c\uff1a(\u63a8\u8350)\\nyum install dhcp -y\\n\\n\u4e8c\u3001\u62f7\u8d1d\u914d\u7f6e\u6587\u4ef6<\/strong>\\n#cp\u00a0 vi \/usr\/share\/doc\/dhcp*\/dhcpd.conf.sample \/etc\/dhcpd.conf\\n\\n\u4e09\u3001\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\uff08#vi \/etc\/dhcpd.conf\uff09<\/strong>\\n\u6587\u4ef6\u5185\u5bb9\u53ca\u8bf4\u660e\uff1a\\n——————————————-\u6587\u4ef6\u5185\u5bb9——————————————–\\n#\u4e0b\u9762\u4e00\u884c\u662f\u52a8\u6001DNS\u5206\u914d\uff0c\u4e00\u822c\u8bbe\u7f6e\u4e3a\uff1anone\\nddns-update-style interim;\\nignore client-updates;\\n\\n#\u4e0b\u9762\u4e00\u884c\u5f88\u91cd\u8981\uff0c\u5b9a\u4e49\u7f51\u7edc\u8303\u56f4\u3002\u6ca1\u6709\u5b83DHCP\u65e0\u6cd5\u542f\u52a8\uff01\\nsubnet 192.168.0.0 netmask 255.255.255.0 {\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 #\u8bbe\u5b9a\u7f51\u7edc\u8303\u56f4\\n\\n# — default gateway\\noption routers\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 192.168.0.1;\u00a0\u00a0\u00a0 #\u9ed8\u8ba4\u7f51\u5173\\noption subnet-mask\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 255.255.255.0;\u00a0\u00a0\u00a0 #\u5b50\u7f51\u63a9\u7801\\n\\noption nis-domain\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 “domain.org”;\u00a0\u00a0\u00a0 #\u968f\u4fbf\u586b\u5199\\noption domain-name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 “domain.org”;\u00a0\u00a0\u00a0 #\u968f\u4fbf\u586b\u5199\\noption domain-name-servers\u00a0\u00a0\u00a0\u00a0\u00a0 192.168.1.1;\u00a0\u00a0\u00a0 #DNS\u8bbe\u7f6e\uff0c\u591a\u4e2a\u7528\u201c,\u201d\u9694\u5f00\\n\\noption time-offset\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -18000; \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 #\u8bbe\u7f6e\u8d85\u65f6\\n#\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 option ntp-servers\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 192.168.1.1;\u00a0\u00a0\u00a0 #\u8bbe\u7f6e\u65f6\u95f4\u540c\u6b65\u670d\u52a1\u5668\\n#\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 option netbios-name-servers\u00a0\u00a0\u00a0\u00a0 192.168.1.1;\u00a0\u00a0\u00a0 #netbios\u670d\u52a1\u5668\u8bbe\u7f6e\\n# — Selects point-to-point node (default is hybrid). Don’t change this unless\\n# — you understand Netbios very well\\n#\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 option netbios-node-type 2;\\n\\n#\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u4e0b\u9762\u662f\u5206\u914dIP\u5730\u5740\u7684\u8303\u56f4\u548c\u54cd\u5e94\u65f6\u95f4\\nrange dynamic-bootp 192.168.0.128 192.168.0.254;\\ndefault-lease-time 21600;\\nmax-lease-time 43200;\\n\\n#\u4e0b\u9762\u662f\u8bbe\u7f6e\u4f7f\u7528MAC\u5730\u5740\u6307\u5b9a\u5206\u914dIP\u3002\\nhost ns {\\nnext-server marvin.redhat.com;\\nhardware ethernet 12:34:56:78:AB:CD;\\nfixed-address 207.175.42.254;\\n}\\n}\\n—————————————————————————————————-\\n\\n\u56db\u3001\u8bbe\u7f6e\u76d1\u542c\u7f51\u5361\uff08#vi\u00a0 \/etc\/sysconfig\/dhcpd\uff09<\/strong>\\nDHCPDARGS=eth0\u6216eth1\uff08\u586b\u5199\u5185\u7f51\u7f51\u5361\uff09\\n\\n\u4e94\u3001\u542f\u52a8DHCP\u670d\u52a1\u5668<\/strong>\\n# \/etc\/rc.d\/init.d\/dhcpd\u00a0 restart\\n\\n\u8fd9\u6837DHCP\u670d\u52a1\u5668\u5c31\u914d\u7f6e\u5b8c\u6210\u4e86\u3002\u5728\u5ba2\u6237\u7aef\u8bbe\u7f6e\u4e3a\u81ea\u52a8\u83b7\u53d6IP\u5c31\u53ef\u4ee5\u81ea\u5df1\u5206\u914dIP\u5730\u5740\u4e86\u3002\\n\\n\u4e0b\u9762\u7684\u6587\u4ef6\u662f\u8be6\u7ec6\u7684DHCP\u8bbe\u7f6e\u7684\u6559\u7a0b\u3002\u4e0d\u662f\u5f88\u61c2\u7684\u8bf7\u4e0b\u8f7d\u6d4f\u89c8\u3002\\n\\n\"\"\u70b9\u51fb\u4e0b\u8f7d\u6b64\u6587\u4ef6<\/a>\\n\\n \\n\\nLINUX\u4e0b\u7684NAT\u5171\u4eab\u4e0a\u7f51\u914d\u7f6e<\/span><\/strong>\\n\\n \\n\\n1.\u5f00\u542f\u5185\u6838\u7684\u8def\u7531\u529f\u80fd\u3002<\/strong>\\n\u8981\u5b9e\u73b0NAT\u529f\u80fd\uff0c\u5b9e\u73b0\u8981\u5c06\u6587\u4ef6\/proc\/sys\/net\/ipv4\/ip_forward\u8bbe\u7f6e\u4e3a1\uff08\u9ed8\u8ba4\u662f0\uff09\uff0c\u624d\u80fd\u6253\u5f00\u5185\u6838\u7684\u8def\u7531\u529f\u80fd\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002\uff08VI\u4e0d\u53ef\u4fdd\u5b58\uff09\\necho “1”>\/proc\/sys\/net\/ipv4\/ip_forward\\n\\n2.\u5b9e\u73b0IP\u4f2a\u88c5\u3002\u5728NAT\u8868\u4e2d\u7684POSTROUTING\u94fe\u52a0\u5165\u4e00\u6761\u89c4\u5219\uff0c\u8fd9\u6761\u89c4\u5219\u7684\u5462\u7ed2\u662f\u6240\u6709\u7531\u5916\u7f51\u63a5\u53e3\u9001\u51fa\u7684\u5305\u4f1a\u88ab\u4f2a\u88c5\uff08\uff09MASQUERADE\uff09\uff0c\u8fd9\u6837\u5c31\u80fd\u4f7f\u7528iptables\u5b9e\u73b0NAT\u547d\u4ee4\u4e86\u3002<\/strong>\\niptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE\\n\u6d4b\u8bd5\uff1a\u4f7f\u7528\u547d\u4ee4iptables -t nat -L POSTROUTING\\n\u770b\u7ed3\u679c\u662f\u5426\u662f\u4ee5\u4e0b\u63d0\u793a\uff1a\\nChain POSTROUTING (policy ACCEPT)\\ntarget\u00a0\u00a0\u00a0\u00a0 prot opt source\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 destination\\nMASQUERADE\u00a0 all\u00a0 —\u00a0 anywhere\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 anywhere\\n\u8fd9\u6837\u5ba2\u6237\u673a\u5c31\u53ef\u4ee5\u4f7f\u7528\u672c\u5730\u63a5\u53e3\uff08eth0\uff09\u7684IP\u5730\u5740\u4e0a\u7f51\u4e86\u3002\\n\\n3.\u4f7f\u7cfb\u7edf\u542f\u52a8\u662f\u81ea\u52a8\u6253\u5f00NAT\u5171\u4eab<\/strong>\\nvi \/etc\/rc.d\/rc.local\u7684\u7ed3\u5c3e\u6dfb\u52a0\\necho “1”>\/proc\/sys\/net\/ipv4\/ip_forward\\niptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE\\n<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

LINUX\u4e0b\u7684DHCP\u670d\u52a1\u5668\u914d\u7f6e\\n\\n\u4e00\u3001\u5b89\u88c5DHCP\u7684\u670d\u52a1\u8f6f\u4ef6\u5305\\n\u65b9\u6cd5\u4e00\uff1a\\n#\u00a0 mount\u00a0 \/de […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[26],"class_list":["post-91","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/posts\/91","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.huzs.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=91"}],"version-history":[{"count":0,"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/posts\/91\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.huzs.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=91"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.huzs.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=91"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.huzs.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=91"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}