{"id":167,"date":"2010-12-10T23:51:12","date_gmt":"2010-12-10T15:51:12","guid":{"rendered":"http:\/\/www.microwolf.net\/?p=167"},"modified":"2010-12-10T23:51:12","modified_gmt":"2010-12-10T15:51:12","slug":"%e8%b7%af%e7%94%b1%e5%99%a8nat%e5%8a%9f%e8%83%bd%e9%85%8d%e7%bd%ae%e5%ae%9e%e4%be%8b","status":"publish","type":"post","link":"http:\/\/www.microwolf.net\/?p=167","title":{"rendered":"\u8def\u7531\u5668NAT\u529f\u80fd\u914d\u7f6e\u5b9e\u4f8b"},"content":{"rendered":"<p>\u5206\u522b\u8bf4\u660e\u5728CISCO\u30013COM\u8def\u7531\u5668\u4e0b\u914d\u7f6eNAT\u529f\u80fd \n<\/p>\n<p>\u4e00CISCO\u8def\u7531\u5668 \n<\/p>\n<p>\u4ee5CISCO2501\u4e3a\u4f8b\uff0c\u8981\u6c42\u5176IOS\u4e3a11.2\u7248\u672c\u4ee5\u4e0a <br \/>\ncisco2501#conf t <br \/> <br \/>\ncisco2501(config)# int e0 <br \/> <br \/>\ncisco2501(config-if)# ip address 192.168.0.254 255.255.255.0 <br \/> <br \/>\ncisco2501(config-if)# ip nat inside <br \/> <br \/>\n(\u6307\u5b9ae0\u53e3\u4e3a\u4e0e\u5185\u90e8\u7f51\u76f8\u8fde\u7684\u5185\u90e8\u7aef\u53e3) <br \/>\ncisco2501(config-if)#int s0 <br \/> <br \/>\ncisco2501(config-if)#encapsulation ppp <br \/> <br \/>\n(\u6307\u5b9a\u5c01\u88c5\u65b9\u5f0f\u4e3aPPP) <br \/>\ncisco2501(config-if)#ip address 61.138.0.93 255.255.255.252 <br \/> <br \/>\ncisco2501(config-if)# ip nat outside <br \/> <br \/>\n\uff08\u6307\u5b9as0\u4e3a\u4e0e\u5916\u90e8\u7f51\u7edc\u76f8\u8fde\u7684\u5916\u90e8\u7aef\u53e3\uff09 <br \/>\ncisco2501(config-if)#exit <br \/>\ncisco2501(config)# bandwidth 128 <br \/> <br \/>\n\uff08\u6307\u5b9a\u7f51\u7edc\u5e26\u5bbd128k\uff09 <br \/>\ncisco2501(config)# ip route 0.0.0.0 0.0.0.0 Serial0 <br \/> <br \/>\n\uff08\u6307\u5b9a\u7f3a\u7701\u8def\u7531\uff09 <br \/>\ncisco2501(config)# ip nat pool a 61.138.0.93 61.138.0.93 netmask 255.255.255.252 <br \/> <br \/>\n\uff08\u6307\u5b9a\u5185\u90e8\u5408\u6cd5\u5730\u5740\u6c60\uff0c\u8d77\u59cb\u5730\u5740\uff0c\u7ed3\u675f\u5730\u5740\u4e3a\u5408\u6cd5IP 61.138.0.93\uff09 <br \/> <br \/>\ncisco2501(config)# access-list 1 permit 192.168.0.0 0.0.0.255 <br \/> <br \/>\n\uff08\u5b9a\u4e49\u4e00\u4e2a\u6807\u51c6\u7684access-list\u89c4\u5219\uff0c\u4ee5\u5141\u8bb8\u54ea\u4e9b\u5185\u90e8\u5730\u5740\u53ef\u4ee5\u8fdb\u884c\u5730\u5740\u8f6c\u6362\uff09 <br \/>\ncisco2501(config)# ip nat inside source list 1 pool a overload <br \/> <br \/>\n\uff08\u8bbe\u7f6e\u5185\u90e8\u5730\u5740\u4e0e\u5408\u6cd5IP\u5730\u5740\u95f4\u5efa\u7acb\u5730\u5740\u8f6c\u6362\uff09 <br \/>\ncisco2501(config)#end <br \/>\ncisco2501#wr \n<\/p>\n<p>\u4e8c3COM\u8def\u7531\u5668 \n<\/p>\n<p>\u4ee53COM OCBN8832\u4e3a\u4f8b\uff0c\u8981\u6c42\u5176SOFTWARE VERSION\u4e3a11.0\u7248\u672c\u4ee5\u4e0a <br \/> <br \/>\n\u4ee5root\u6ce8\u518c\uff0c\u8fdb\u884c\u5982\u4e0b\u914d\u7f6e <br \/>\n\u2474\u914d\u7f6e\u5c40\u57df\u7f51\u7aef\u53e3 <br \/>\n[1] EnterpriseOS #setdefault !1 -ip netaddress=192.168.0.254 255.255.255.0 <br \/> <br \/>\n[2] EnterpriseOS #setdefault !! -path control =enable \uff08\u6fc0\u6d3b\u8def\u7531\u5668\u5c40\u57df\u53e3PATH) <br \/> <br \/>\n[3] EnterpriseOS #setdefault !1 -port control=enable \uff08\u6fc0\u6d3b\u8def\u7531\u5668\u5c40\u57df\u53e3PORT\uff09 <br \/> <br \/>\n\u2475\u914d\u7f6e\u5e7f\u57df\u7f51\u4e32\u884c\u7aef\u53e3 <br \/>\n[4] EnterpriseOS #setdefault !3 -path linetype=leased (\u6307\u660e\u8be5\u7aef\u53e3\u4f7f\u7528\u7684\u901a\u4fe1\u7ebf\u8def\u7c7b\u578b) <br \/> <br \/>\n[5] EnterpriseOS #setdefault !4 -port owner=ppp (\u6307\u660e\u8be5\u7aef\u53e3\u7684\u4f7f\u7528\u8005) <br \/> <br \/>\n[6] EnterpriseOS #setdefault !4 -ip netaddress=61.138.0.93 255.255.255.252 <br \/> <br \/>\n[7] EnterpriseOS #setdefault !4 -nat addressmap 192.168.0.0\/24 61.138.0.93 outbound <br \/> <br \/>\n(\u6307\u5b9a\u5c06192.168.0.0\/24\u5185\u90e8\u4e3b\u673a\u4f7f\u7528\u7684IP\u5730\u5740\u8f6c\u6362\u621061.138.0.93) <br \/>\n[8] EnterpriseOS #setdault !4 -nat control=enable (\u542f\u7528NAT\u670d\u52a1) <br \/> <br \/>\n[9] EnterpriseOS #setdault !3 -path control=enable <br \/> <br \/>\n[10]EnterpriseOS #setdault !4 -port control=enalbe\u3001 <br \/> <br \/>\n\u2476\u914d\u7f6e\u7f3a\u7701\u8def\u7531 <br \/>\n[11]EnterpriseOS #setdault -ip control=router \uff08\u6fc0\u6d3b\u8def\u7531\u5668\u7684\u8def\u7531\u529f\u80fd\uff09 <br \/> <br \/>\n[12]EnterpriseOS #add -ip route 0.0.0.0 0.0.0.0 !4 <br \/> \n<\/p>\n<p><b>NAT\u5730\u5740\u8f6c\u6362\u6280\u672f\u4e8c<\/b><\/p>\n<p>\n\u968f\u7740internet\u7684\u7f51\u7edc\u8fc5\u901f\u53d1\u5c55\uff0cIP\u5730\u5740\u77ed\u7f3a\u5df2\u6210\u4e3a\u4e00\u4e2a\u5341\u5206\u7a81\u51fa\u7684\u95ee\u9898\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u51fa\u73b0\u4e86\u591a\u79cd\u89e3\u51b3\u65b9\u6848\u3002\u4e0b\u9762\u51e0\u7ecd\u4e00\u79cd\u5728\u76ee\u524d\u7f51\u7edc\u73af\u5883\u4e2d\u6bd4\u8f83\u6709\u6548\u7684\u65b9\u6cd5\u5373\u5730\u5740\u8f6c\u6362(NAT)\u529f\u80fd\u3002 <br \/>\n\u4e00\u3001NAT\u7b80\u4ecb <br \/>\nNAT(Network Address Translation)\u7684\u529f\u80fd\uff0c\u5c31\u662f\u6307\u5728\u4e00\u4e2a\u7f51\u7edc\u5185\u90e8\uff0c\u6839\u636e\u9700\u8981\u53ef\u4ee5\u968f\u610f\u81ea\u5b9a\u4e49\u7684IP\u5730\u5740\uff0c\u800c\u4e0d\u9700\u8981\u7ecf\u8fc7\u7533\u8bf7\u3002\u5728\u7f51\u7edc\u5185\u90e8\uff0c\u5404\u8ba1\u7b97\u673a\u95f4\u901a\u8fc7\u5185\u90e8\u7684IP\u5730\u5740\u8fdb\u884c\u901a\u8baf\u3002\u800c\u5f53\u5185\u90e8\u7684\u8ba1\u7b97\u673a\u8981\u4e0e\u5916\u90e8internet\u7f51\u7edc\u8fdb\u884c\u901a\u8baf\u65f6\uff0c\u5177\u6709NAT\u529f\u80fd\u7684\u8bbe\u5907\uff08\u6bd4\u5982\uff1a\u8def\u7531\u5668\uff09\u8d1f\u8d23\u5c06\u5176\u5185\u90e8\u7684IP\u5730\u5740\u8f6c\u6362\u4e3a\u5408\u6cd5\u7684IP\u5730\u5740\uff08\u5373\u7ecf\u8fc7\u7533\u8bf7\u7684IP\u5730\u5740\uff09\u8fdb\u884c\u901a\u4fe1\u3002 <br \/> <br \/>\n\u4e8c\u3001NAT \u7684\u5e94\u7528\u73af\u5883\uff1a <br \/> <br \/>\n\u60c5\u51b51\uff1a\u4e00\u4e2a\u4f01\u4e1a\u4e0d\u60f3\u8ba9\u5916\u90e8\u7f51\u7edc\u7528\u6237\u77e5\u9053\u81ea\u5df1\u7684\u7f51\u7edc\u5185\u90e8\u7ed3\u6784\uff0c\u53ef\u4ee5\u901a\u8fc7NAT\u5c06\u5185\u90e8\u7f51\u7edc\u4e0e\u5916\u90e8Internet<br \/>\n\u9694\u79bb\u5f00\uff0c\u5219\u5916\u90e8\u7528\u6237\u6839\u672c\u4e0d\u77e5\u9053\u901a\u8fc7NAT\u8bbe\u7f6e\u7684\u5185\u90e8IP\u5730\u5740\u3002 <br \/>\n\u60c5\u51b52\uff1a\u4e00\u4e2a\u4f01\u4e1a\u7533\u8bf7\u7684\u5408\u6cd5Internet IP\u5730\u5740\u5f88\u5c11\uff0c\u800c\u5185\u90e8\u7f51\u7edc\u7528\u6237\u5f88\u591a\u3002\u53ef\u4ee5\u901a\u8fc7NAT\u529f\u80fd\u5b9e\u73b0\u591a\u4e2a\u7528\u6237\u540c\u65f6\u516c\u7528\u4e00\u4e2a\u5408\u6cd5IP\u4e0e\u5916\u90e8Internet<br \/>\n\u8fdb\u884c\u901a\u4fe1\u3002 <br \/>\n\u4e09\u3001\u8bbe\u7f6eNAT\u6240\u9700\u8def\u7531\u5668\u7684\u786c\u4ef6\u914d\u7f6e\u548c\u8f6f\u4ef6\u914d\u7f6e\uff1a <br \/>\n\u8bbe\u7f6eNAT\u529f\u80fd\u7684\u8def\u7531\u5668\u81f3\u5c11\u8981\u6709\u4e00\u4e2a\u5185\u90e8\u7aef\u53e3\uff08Inside\uff09\uff0c\u4e00\u4e2a\u5916\u90e8\u7aef\u53e3\uff08Outside\uff09\u3002\u5185\u90e8\u7aef\u53e3\u8fde\u63a5\u7684\u7f51\u7edc\u7528\u6237\u4f7f\u7528\u7684\u662f\u5185\u90e8IP\u5730\u5740\u3002 <br \/>\n\u5185\u90e8\u7aef\u53e3\u53ef\u4ee5\u4e3a\u4efb\u610f\u4e00\u4e2a\u8def\u7531\u5668\u7aef\u53e3\u3002\u5916\u90e8\u7aef\u53e3\u8fde\u63a5\u7684\u662f\u5916\u90e8\u7684\u7f51\u7edc\uff0c\u5982Internet<br \/>\n\u3002\u5916\u90e8\u7aef\u53e3\u53ef\u4ee5\u4e3a\u8def\u7531\u5668\u4e0a\u7684\u4efb\u610f\u7aef\u53e3\u3002 <br \/>\n\u3000\u3000\u8bbe\u7f6eNAT\u529f\u80fd\u7684\u8def\u7531\u5668\u7684IOS\u5e94\u652f\u6301NAT\u529f\u80fd(\u672c\u6587\u4e8b\u4f8b\u6240\u7528\u8def\u7531\u5668\u4e3a\uff23isco2501\uff0c\u5176IOS\u4e3a11.2\u7248\u672c\u4ee5\u4e0a\u652f\u6301NAT\u529f\u80fd)\u3002 <br \/>\n\u56db\u3001\u5173\u4e8eNAT\u7684\u51e0\u4e2a\u6982\u5ff5\uff1a <br \/>\n\u3000\u3000\u5185\u90e8\u672c\u5730\u5730\u5740\uff08Inside local address\uff09\uff1a\u5206\u914d\u7ed9\u5185\u90e8\u7f51\u7edc\u4e2d\u7684\u8ba1\u7b97\u673a\u7684\u5185\u90e8IP\u5730\u5740\u3002 <br \/> <br \/>\n\u3000\u3000\u5185\u90e8\u5408\u6cd5\u5730\u5740\uff08Inside global address\uff09\uff1a\u5bf9\u5916\u8fdb\u5165IP\u901a\u4fe1\u65f6\uff0c\u4ee3\u8868\u4e00\u4e2a\u6216\u591a\u4e2a\u5185\u90e8\u672c\u5730\u5730\u5740\u7684\u5408\u6cd5IP\u5730\u5740\u3002\u9700\u8981\u7533\u8bf7\u624d\u53ef\u53d6\u5f97\u7684IP\u5730\u5740\u3002 <br \/> <br \/>\n\u4e94\u3001NAT\u7684\u8bbe\u7f6e\u65b9\u6cd5\uff1a <br \/>\n\u3000\u3000NAT\u8bbe\u7f6e\u53ef\u4ee5\u5206\u4e3a\u9759\u6001\u5730\u5740\u8f6c\u6362\u3001\u52a8\u6001\u5730\u5740\u8f6c\u6362\u3001\u590d\u7528\u52a8\u6001\u5730\u5740\u8f6c\u6362\u3002 <br \/>\n\u3000\u30001\u3001\u9759\u6001\u5730\u5740\u8f6c\u6362\u9002\u7528\u7684\u73af\u5883 <br \/>\n\u9759\u6001\u5730\u5740\u8f6c\u6362\u5c06\u5185\u90e8\u672c\u5730\u5730\u5740\u4e0e\u5185\u90e8\u5408\u6cd5\u5730\u5740\u8fdb\u884c\u4e00\u5bf9\u4e00\u7684\u8f6c\u6362\uff0c\u4e14\u9700\u8981\u6307\u5b9a\u548c\u54ea\u4e2a\u5408\u6cd5\u5730\u5740\u8fdb\u884c\u8f6c\u6362\u3002\u5982\u679c\u5185\u90e8\u7f51\u7edc\u6709E-mail\u670d\u52a1\u5668\u6216FTP\u670d\u52a1\u5668\u7b49\u53ef\u4ee5\u4e3a\u5916\u90e8\u7528\u6237\u63d0\u4f9b\u7684\u670d\u52a1\uff0c\u8fd9\u4e9b\u670d\u52a1\u5668\u7684IP\u5730\u5740\u5fc5\u987b\u91c7\u7528\u9759\u6001\u5730\u5740\u8f6c\u6362\uff0c\u4ee5\u4fbf\u5916\u90e8\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u670d\u52a1\u3002 <br \/>\n\u3000\u3000\u9759\u6001\u5730\u5740\u8f6c\u6362\u57fa\u672c\u914d\u7f6e\u6b65\u9aa4\uff1a <br \/>\n\u3000 \uff081\uff09\u3001\u5728\u5185\u90e8\u672c\u5730\u5730\u5740\u4e0e\u5185\u90e8\u5408\u6cd5\u5730\u5740\u4e4b\u95f4\u5efa\u7acb\u9759\u6001\u5730\u5740\u8f6c\u6362\u3002\u5728\u5168\u5c40\u8bbe\u7f6e\u72b6\u6001\u4e0b\u8f93\u5165\uff1a <br \/> <br \/>\n\u3000\u3000\u3000\u3000Ip nat inside source static \u5185\u90e8\u672c\u5730\u5730\u5740 \u5185\u90e8\u5408\u6cd5\u5730\u5740 <br \/> <br \/>\n\u3000\u3000\uff082\uff09\u3001\u6307\u5b9a\u8fde\u63a5\u7f51\u7edc\u7684\u5185\u90e8\u7aef\u53e3<br \/>\n\u5728\u7aef\u53e3\u8bbe\u7f6e\u72b6\u6001\u4e0b\u8f93\u5165\uff1a <br \/>\n\u3000\u3000\u3000\u3000\u3000ip nat inside <br \/> <br \/>\n\u3000\u3000\uff083\uff09\u3001\u6307\u5b9a\u8fde\u63a5\u5916\u90e8\u7f51\u7edc\u7684\u5916\u90e8\u7aef\u53e3<br \/>\n\u5728\u7aef\u53e3\u8bbe\u7f6e\u72b6\u6001\u4e0b\u8f93\u5165\uff1a <br \/>\n\u3000\u3000\u3000\u3000\u3000ip nat outside <br \/> <br \/>\n\u3000\u3000\u6ce8\uff1a\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u8981\u5b9a\u4e49\u591a\u4e2a\u5185\u90e8\u7aef\u53e3\u53ca\u591a\u4e2a\u5916\u90e8\u7aef\u53e3\u3002 <br \/>\n\u5b9e\u4f8b1\uff1a <br \/>\n\u672c\u5b9e\u4f8b\u5b9e\u73b0\u9759\u6001NAT\u5730\u5740\u8f6c\u6362\u529f\u80fd\u3002\u5c062501\u7684\u4ee5\u592a\u53e3\u4f5c\u4e3a\u5185\u90e8\u7aef\u53e3\uff0c\u540c\u6b65\u7aef\u53e3\uff10\u4f5c\u4e3a\u5916\u90e8\u7aef\u53e3\u3002\u5176\u4e2d10.1.1.2\uff0c10.1.1.3\uff0c10.1.1.4\u7684\u5185\u90e8\u672c\u5730\u5730\u5740\u91c7\u7528\u9759\u6001\u5730\u5740\u8f6c\u6362\u3002\u5176\u5185\u90e8\u5408\u6cd5\u5730\u5740\u5206\u522b\u5bf9\u5e94\u4e3a192.1.1.2\uff0c192.1.1.3\uff0c192.1.1.4\u3002 <br \/>\n\u8def\u7531\u56682501\u7684\u914d\u7f6e\uff1a <br \/>\nCurrent configuration\uff1a <br \/> <br \/>\nversion 11.3 <br \/> <br \/>\nno service password-encryption <br \/> <br \/>\nhostname 2501 <br \/> <br \/>\nip nat inside source static 10.1.1.2 192.1.1.2 <br \/> <br \/>\nip nat inside source static 10.1.1.3 192.1.1.3 <br \/> <br \/>\nip nat inside source static 10.1.1.4 192.1.1.4 <br \/> <br \/>\ninterface Ethernet0 <br \/> <br \/>\nip address 10.1.1.1 255.255.255.0 <br \/> <br \/>\nip nat inside <br \/> <br \/>\ninterface Serial0 <br \/> <br \/>\nip address 192.1.1.1 255.255.255.0 <br \/> <br \/>\nip nat outside <br \/> <br \/>\nno ip mroute-cache <br \/> <br \/>\nbandwidth 2000 <br \/> <br \/>\nno fair-queue <br \/> <br \/>\nclockrate 2000000 <br \/> <br \/>\ninterface Serial1 <br \/> <br \/>\nno ip address <br \/> <br \/>\nshutdown <br \/>\nno ip classless <br \/> <br \/>\nip route 0.0.0.0 0.0.0.0 Serial0 <br \/> <br \/>\nline con 0 <br \/> <br \/>\nline aux 0 <br \/> <br \/>\nline vty 0 4 <br \/> <br \/>\npassword cisco <br \/> <br \/>\nend <br \/>\n\u914d\u7f6e\u5b8c\u6210\u540e\u53ef\u4ee5\u7528\u4ee5\u4e0b\u8bed\u53e5\u8fdb\u884c\u67e5\u770b\uff1a <br \/>\nshow ip nat statistcs <br \/> <br \/>\nshow ip nat translations <br \/> <br \/>\n\u3000\u30002\u3001\u52a8\u6001\u5730\u5740\u8f6c\u6362\u9002\u7528\u7684\u73af\u5883\uff1a <br \/>\n\u52a8\u6001\u5730\u5740\u8f6c\u6362\u4e5f\u662f\u5c06\u672c\u5730\u5730\u5740\u4e0e\u5185\u90e8\u5408\u6cd5\u5730\u5740\u4e00\u5bf9\u4e00\u7684\u8f6c\u6362\uff0c\u4f46\u662f\u52a8\u6001\u5730\u5740\u8f6c\u6362\u662f\u4ece\u5185\u90e8\u5408\u6cd5\u5730\u5740\u6c60\u4e2d\u52a8\u6001\u5730\u9009\u62e9\u4e00\u4e2a\u672b\u4f7f\u7528\u7684\u5730\u5740\u5bf9\u5185\u90e8\u672c\u5730\u5730\u5740\u8fdb\u884c\u8f6c\u6362\u3002 <br \/>\n\u3000\u3000\u52a8\u6001\u5730\u5740\u8f6c\u6362\u57fa\u672c\u914d\u7f6e\u6b65\u9aa4\uff1a <br \/>\n\u3000\u3000\uff081\uff09\u3001\u5728\u5168\u5c40\u8bbe\u7f6e\u6a21\u5f0f\u4e0b\uff0c\u5b9a\u4e49\u5185\u90e8\u5408\u6cd5\u5730\u5740\u6c60 <br \/>\n\u3000\u3000\u3000ip nat pool \u5730\u5740\u6c60\u540d\u79f0 \u8d77\u59cbIP\u5730\u5740 \u7ec8\u6b62IP\u5730\u5740 \u5b50\u7f51\u63a9\u7801 <br \/> <br \/>\n\u3000\u3000\u3000\u5176\u4e2d\u5730\u5740\u6c60\u540d\u79f0\u53ef\u4ee5\u4efb\u610f\u8bbe\u5b9a\u3002 <br \/>\n\u3000\u3000\uff082\uff09\u3001\u5728\u5168\u5c40\u8bbe\u7f6e\u6a21\u5f0f\u4e0b\uff0c\u5b9a\u4e49\u4e00\u4e2a\u6807\u51c6\u7684access-list\u89c4\u5219\u4ee5\u5141\u8bb8\u54ea\u4e9b\u5185\u90e8\u5730\u5740\u53ef\u4ee5\u8fdb\u884c\u52a8\u6001\u5730\u5740\u8f6c\u6362\u3002 <br \/>\n\u3000\u3000\u3000Access-list \u6807\u53f7 permit \u6e90\u5730\u5740 \u901a\u914d\u7b26 <br \/> <br \/>\n\u3000\u3000\u3000\u5176\u4e2d\u6807\u53f7\u4e3a1-99\u4e4b\u95f4\u7684\u6574\u6570\u3002 <br \/>\n\u3000\u3000\uff083\uff09\u3001\u5728\u5168\u5c40\u8bbe\u7f6e\u6a21\u5f0f\u4e0b\uff0c\u5c06\u7531access-list\u6307\u5b9a\u7684\u5185\u90e8\u672c\u5730\u5730\u5740\u4e0e\u6307\u5b9a\u7684\u5185\u90e8\u5408\u6cd5\u5730\u5740\u6c60\u8fdb\u884c\u5730\u5740\u8f6c\u6362\u3002 <br \/>\n\u3000\u3000\u3000ip nat inside source list \u8bbf\u95ee\u5217\u8868\u6807\u53f7 pool\u5185\u90e8\u5408\u6cd5\u5730\u5740\u6c60\u540d\u5b57 <br \/> <br \/>\n\u3000\u3000\uff084\uff09\u3001\u6307\u5b9a\u4e0e\u5185\u90e8\u7f51\u7edc\u76f8\u8fde\u7684\u5185\u90e8\u7aef\u53e3\u5728\u7aef\u53e3\u8bbe\u7f6e\u72b6\u6001\u4e0b\uff1a <br \/>\n\u3000\u3000\u3000ip nat inside <br \/> <br \/>\n\u3000\u3000\uff085\uff09\u3001\u6307\u5b9a\u4e0e\u5916\u90e8\u7f51\u7edc\u76f8\u8fde\u7684\u5916\u90e8\u7aef\u53e3 <br \/>\n\u3000\u3000\u3000Ip nat outside <br \/> <br \/>\n\u5b9e\u4f8b2\uff1a <br \/>\n\u3000\u3000 \u672c\u5b9e\u4f8b\u4e2d\u786c\u4ef6\u914d\u7f6e\u540c\u4e0a\uff0c\u8fd0\u7528\u4e86\u52a8\u6001NAT\u5730\u5740\u8f6c\u6362\u529f\u80fd\u3002\u5c062501\u7684\u4ee5\u592a\u53e3\u4f5c\u4e3a\u5185\u90e8\u7aef\u53e3\uff0c\u540c\u6b65\u7aef\u53e3\uff10\u4f5c\u4e3a\u5916\u90e8\u7aef\u53e3\u3002\u5176\u4e2d10.1.1.0\u7f51\u6bb5\u91c7\u7528\u52a8\u6001\u5730\u5740\u8f6c\u6362\u3002\u5bf9\u5e94\u5185\u90e8\u5408\u6cd5\u5730\u5740\u4e3a192.1.1.2~192.1.1.10 <br \/> <br \/>\nCurrent configuration\uff1a <br \/> <br \/>\nversion 11.3 <br \/> <br \/>\nno service password-encryption <br \/> <br \/>\nhostname 2501 <br \/> <br \/>\nip nat pool aaa 192.1.1.2 192.1.1.10 netmask 255.255.255.0 <br \/> <br \/>\nip nat inside source list 1 pool aaa <br \/> <br \/>\ninterface Ethernet0 <br \/> <br \/>\nip address 10.1.1.1 255.255.255.0 <br \/> <br \/>\nip nat inside <br \/> <br \/>\ninterface Serial0 <br \/> <br \/>\nip address 192.1.1.1 255.255.255.0 <br \/> <br \/>\nip nat outside <br \/> <br \/>\nno ip mroute-cache <br \/> <br \/>\nbandwidth 2000 <br \/> <br \/>\nno fair-queue <br \/> <br \/>\nclockrate 2000000 <br \/> <br \/>\ninterface Serial1 <br \/> <br \/>\nno ip address <br \/> <br \/>\nshutdown <br \/>\nno ip classless <br \/> <br \/>\nip route 0.0.0.0 0.0.0.0 Serial0 <br \/> <br \/>\naccess-list 1 permit 10.1.1.0 0.0.0.255 <br \/> <br \/>\nline con 0 <br \/> <br \/>\nline aux 0 <br \/> <br \/>\nline vty 0 4 <br \/> <br \/>\npassword cisco <br \/> <br \/>\nend <br \/>\n\u3000\u30003\u3001\u590d\u7528\u52a8\u6001\u5730\u5740\u8f6c\u6362\u9002\u7528\u7684\u73af\u5883\uff1a <br \/>\n\u3000\u3000\u590d\u7528\u52a8\u6001\u5730\u5740\u8f6c\u6362\u9996\u5148\u662f\u4e00\u79cd\u52a8\u6001\u5730\u5740\u8f6c\u6362\uff0c\u4f46\u662f\u5b83\u53ef\u4ee5\u5141\u8bb8\u591a\u4e2a\u5185\u90e8\u672c\u5730\u5730\u5740\u5171\u7528\u4e00\u4e2a\u5185\u90e8\u5408\u6cd5\u5730\u5740\u3002\u53ea\u7533\u8bf7\u5230\u5c11\u91cfIP\u5730\u5740\u4f46\u5374\u7ecf\u5e38\u540c\u65f6\u6709\u591a\u4e8e\u5408\u6cd5\u5730\u5740\u4e2a\u6570\u7684\u7528\u6237\u4e0a\u5916\u90e8\u7f51\u7edc\u7684\u60c5\u51b5\uff0c\u8fd9\u79cd\u8f6c\u6362\u6781\u4e3a\u6709\u7528\u3002 <br \/>\n\u3000\u3000\u6ce8\u610f\uff1a\u5f53\u591a\u4e2a\u7528\u6237\u540c\u65f6\u4f7f\u7528\u4e00\u4e2aIP\u5730\u5740\uff0c\u5916\u90e8\u7f51\u7edc\u901a\u8fc7\u8def\u7531\u5668\u5185\u90e8\u5229\u7528\u4e0a\u5c42\u7684\u5982TCP\u6216UDP\u7aef\u53e3\u53f7\u7b49\u552f\u4e00\u6807\u8bc6\u67d0\u53f0\u8ba1\u7b97\u673a\u3002\u3000\u3000 <br \/>\n\u3000\u3000\u590d\u7528\u52a8\u6001\u5730\u5740\u8f6c\u6362\u914d\u7f6e\u6b65\u9aa4\uff1a <br \/>\n\u3000\u3000\u5728\u5168\u5c40\u8bbe\u7f6e\u6a21\u5f0f\u4e0b\uff0c\u5b9a\u4e49\u5185\u90e8\u5408\u5730\u5740\u6c60 <br \/>\n\u3000\u3000ip nat pool \u5730\u5740\u6c60\u540d\u5b57 \u8d77\u59cbIP\u5730\u5740 \u7ec8\u6b62IP\u5730\u5740 \u5b50\u7f51\u63a9\u7801 <br \/> <br \/>\n\u3000\u3000\u5176\u4e2d\u5730\u5740\u6c60\u540d\u5b57\u53ef\u4ee5\u4efb\u610f\u8bbe\u5b9a\u3002 <br \/>\n\u3000\u3000\u5728\u5168\u5c40\u8bbe\u7f6e\u6a21\u5f0f\u4e0b\uff0c\u5b9a\u4e49\u4e00\u4e2a\u6807\u51c6\u7684access-list\u89c4\u5219\u4ee5\u5141\u8bb8\u54ea\u4e9b\u5185\u90e8\u672c\u5730\u5730\u5740\u53ef\u4ee5\u8fdb\u884c\u52a8\u6001\u5730\u5740\u8f6c\u6362\u3002 <br \/>\n\u3000\u3000access-list \u6807\u53f7 permit \u6e90\u5730\u5740 \u901a\u914d\u7b26 <br \/> <br \/>\n\u3000\u3000\u5176\u4e2d\u6807\u53f7\u4e3a1\uff0d99\u4e4b\u95f4\u7684\u6574\u6570\u3002 <br \/>\n\u3000\u3000\u5728\u5168\u5c40\u8bbe\u7f6e\u6a21\u5f0f\u4e0b\uff0c\u8bbe\u7f6e\u5728\u5185\u90e8\u7684\u672c\u5730\u5730\u5740\u4e0e\u5185\u90e8\u5408\u6cd5IP\u5730\u5740\u95f4\u5efa\u7acb\u590d\u7528\u52a8\u6001\u5730\u5740\u8f6c\u6362\u3002 <br \/>\n\u3000ip nat inside source list \u8bbf\u95ee\u5217\u8868\u6807\u53f7 pool \u5185\u90e8\u5408\u6cd5\u5730\u5740\u6c60\u540d\u5b57<br \/>\noverload <br \/>\n\u3000\u3000\u5728\u7aef\u53e3\u8bbe\u7f6e\u72b6\u6001\u4e0b\uff0c\u6307\u5b9a\u4e0e\u5185\u90e8\u7f51\u7edc\u76f8\u8fde\u7684\u5185\u90e8\u7aef\u53e3 <br \/>\n\u3000\u3000ip nat inside <br \/> <br \/>\n\u3000\u3000\u5728\u7aef\u53e3\u8bbe\u7f6e\u72b6\u6001\u4e0b\uff0c\u6307\u5b9a\u4e0e\u5916\u90e8\u7f51\u7edc\u76f8\u8fde\u7684\u5916\u90e8\u7aef\u53e3 <br \/>\n\u3000\u3000ip nat outside <br \/> <br \/>\n\u5b9e\u4f8b\uff1a\u5e94\u7528\u4e86\u590d\u7528\u52a8\u6001NAT\u5730\u5740\u8f6c\u6362\u529f\u80fd\u3002\u5c062501\u7684\u4ee5\u592a\u53e3\u4f5c\u4e3a\u5185\u90e8\u7aef\u53e3\uff0c\u540c\u6b65\u7aef\u53e3\uff10\u4f5c\u4e3a\u5916\u90e8\u7aef\u53e3\u300210.1.1.0\u7f51\u6bb5\u91c7\u7528\u590d\u7528\u52a8\u6001\u5730\u5740\u8f6c\u6362\u3002\u5047\u8bbe\u4f01\u4e1a\u53ea\u7533\u8bf7\u4e86\u4e00\u4e2a\u5408\u6cd5\u7684IP\u5730\u5740192.1.1.1\u3002 <br \/>\n2501\u7684\u914d\u7f6e <br \/>\nCurrent configuration\uff1a <br \/> <br \/>\nversion 11.3 <br \/> <br \/>\nno service password-encryption <br \/> <br \/>\nhostname 2501 <br \/> <br \/>\nip nat pool bbb 192.1.1.1 192.1.1.1 netmask 255.255.255.0 <br \/> <br \/>\nip nat inside source list 1 pool bbb overload <br \/> <br \/>\ninterface Ethernet0 <br \/> <br \/>\nip address 10.1.1.1 255.255.255.0 <br \/> <br \/>\nip nat inside <br \/> <br \/>\ninterface Serial0 <br \/> <br \/>\nip address 192.1.1.1 255.255.255.0 <br \/> <br \/>\nip nat outside <br \/> <br \/>\nno ip mroute-cache <br \/> <br \/>\nbandwidth 2000 <br \/> <br \/>\nno fair-queue <br \/> <br \/>\nclockrate 2000000 <br \/> <br \/>\ninterface Serial1 <br \/> <br \/>\nno ip address <br \/> <br \/>\nshutdown <br \/>\nno ip classless <br \/> <br \/>\nip route 0.0.0.0 0.0.0.0 Serial0 <br \/> <br \/>\naccess-list 1 permit 10.1.1.0 0.0.0.255 <br \/> <br \/>\nline con 0 <br \/> <br \/>\nline aux 0 <br \/> <br \/>\nline vty 0 4 <br \/> <br \/>\npassword cisco <br \/> <br \/>\nend<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5206\u522b\u8bf4\u660e\u5728CISCO\u30013COM\u8def\u7531\u5668\u4e0b\u914d\u7f6eNAT\u529f\u80fd \u4e00CISCO\u8def\u7531\u5668 \u4ee5CISCO2501\u4e3a\u4f8b\uff0c\u8981\u6c42\u5176IO [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"_links":{"self":[{"href":"http:\/\/www.microwolf.net\/index.php?rest_route=\/wp\/v2\/posts\/167"}],"collection":[{"href":"http:\/\/www.microwolf.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.microwolf.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.microwolf.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.microwolf.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=167"}],"version-history":[{"count":1,"href":"http:\/\/www.microwolf.net\/index.php?rest_route=\/wp\/v2\/posts\/167\/revisions"}],"predecessor-version":[{"id":168,"href":"http:\/\/www.microwolf.net\/index.php?rest_route=\/wp\/v2\/posts\/167\/revisions\/168"}],"wp:attachment":[{"href":"http:\/\/www.microwolf.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.microwolf.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=167"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.microwolf.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}