{"id":3924,"date":"2021-11-25T21:53:25","date_gmt":"2021-11-26T05:53:25","guid":{"rendered":"https:\/\/www.xh86.me\/?p=3924"},"modified":"2021-11-25T22:12:28","modified_gmt":"2021-11-26T06:12:28","slug":"%e7%bd%91%e5%b7%a5%e5%bf%85%e7%9f%a5%ef%bc%9a%ef%bc%881%ef%bc%89cisco-%e8%b7%af%e7%94%b1%e5%99%a8pppoe%e6%8b%a8%e5%8f%b7%e9%85%8d%e7%bd%ae%e4%b8%8enat%e7%ae%80%e5%8d%95%e4%b8%8a%e7%bd%91%e9%85%8d","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=3924","title":{"rendered":"Cisco \u8def\u7531\u5668PPPOE\u62e8\u53f7\u914d\u7f6e\u4e0eNAT\u7b80\u5355\u4e0a\u7f51\u914d\u7f6e"},"content":{"rendered":"
\n

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 <\/p>\n

 <\/p>\n

\u00a01\u00a0<\/span>\u5b9e\u9a8c\u62d3\u6251\u4e0e\u76ee\u6807\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/strong><\/span><\/h2>\n

 <\/p>\n


\u5728\u5de5\u4f5c\u4e2d\uff0c\u5f88\u6709\u53ef\u80fd\u9047\u5230\u7684\u5916\u7f51\u63a5\u5165\u65b9\u5f0f\u5c31\u662fADSL\u62e8\u53f7\u4e86\uff0c\u867d\u7136\u770b\u7740\u7b80\u5355\uff0c\u4f46\u662f\u8fd9\u91cc\u8bb2\u8bb2Cisco\u8def\u7531\u5668\u4e0a\u9762\u7684\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879\u4e0e\u914d\u7f6e\u3002<\/span><\/p>\n

\n

\u00a02\u00a0<\/span>\u914d\u7f6e\u4e0e\u601d\u8def\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/strong><\/span><\/h2>\n

1\u3001\u63a5\u53e3\u4e0b\u8c03\u7528PPPOE-client<\/strong><\/span><\/p>\n

 <\/p>\n

\n
Router-pppoe_client(config)#interface e0\/0 \/\/\u63a5\u5916\u7f51\u63a5\u53e3<\/span><\/span><\/span><\/code>Router-pppoe_client(config-if<\/span>)#pppoe-client dial-pool-number 1<\/span><\/span><\/code>Router-pppoe_client(config-if<\/span>)#no shutdown<\/span><\/span><\/code><\/pre>\n<\/section>\n
 <\/p>\n
\u00a0<\/span><\/p>\n
2\u3001PPPOE-client\u63a5\u53e3\u7684\u914d\u7f6e<\/span><\/strong><\/p>\n
 <\/p>\n
 <\/p>\n
Router-pppoe_client(config)#interface dialer 1<\/span><\/span><\/code>Router-pppoe_client(config-if<\/span>)#encapsulation ppp <\/span><\/span><\/code>Router-pppoe_client(config-if<\/span>)#ip address negotiated<\/span><\/span><\/code><\/pre>\n<\/section>\n
\u5728\u5b9e\u9645\u73af\u5883\u4e2d\uff0c\u4e0d\u6e05\u695a\u8fd0\u8425\u5546\u90a3\u8fb9\u4f7f\u7528\u7684\u662fPAP\u8fd8\u662fCHAP\u8ba4\u8bc1\uff0c\u5982\u679c\u53ea\u914d\u7f6e\u4e86\u4e00\u79cd\u53ef\u80fd\u5bfc\u81f4\u62e8\u53f7\u5931\u8d25\uff0c\u8fd9\u91cc\u7ed9\u51fa\u4e00\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5b8c\u7f8e\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/span><\/p>\n
 <\/p>\n
 <\/p>\n
Router-pppoe_client(config-if<\/span>)#ppp pap sent-username pppoe password ccieh3c.com<\/span><\/span><\/code>Router-pppoe_client(config-if<\/span>)#ppp chap hostname pppoe<\/span><\/span><\/code>Router-pppoe_client(config-if<\/span>)#ppp chap  password  ccieh3c.com<\/span><\/span><\/code><\/pre>\n<\/section>\n
 <\/p>\n
\u7136\u540e\u8f93\u5165pap\u8ddfchap\u4e24\u79cd\u65b9\u5f0f\uff0c\u8fd9\u6837\u65e0\u8bba\u8fd0\u8425\u5546\u662f\u54ea\u79cd\u90fd\u53ef\u4ee5\u6210\u529f\u3002<\/span><\/p>\n
 <\/p>\n
Router-pppoe_client(config-if<\/span>)#ip mtu 1492<\/span><\/span><\/code>Router-pppoe_client(config-if<\/span>)#ip tcp adjust-mss 1420<\/span><\/span><\/code>Router-pppoe_client(config-if<\/span>)#dialer pool 1 \u3010\u8ddf\u63a5\u53e3\u8f93\u5165\u7684nmuber\u53f7\u4e00\u81f4\u3011<\/span><\/span><\/code><\/pre>\n<\/section>\n
\u81f3\u6b64\uff0cADSL\u7684\u914d\u7f6e\u5b8c\u6bd5\u4e86\uff0c\u5982\u679c\u5e10\u53f7\u5bc6\u7801\u4e0e\u63a5\u53e3\u6ca1\u9519\u7684\u8bdd\uff0c\u5c31\u53ef\u4ee5\u83b7\u53d6\u5230IP\u4e86\u3002<\/p>\n
 <\/p>\n
4\u3001\u67e5\u770b\u662f\u5426\u83b7\u53d6\u5230\u4e86IP<\/strong><\/p>\n
<\/div>
\u53ef\u4ee5\u770b\u5230\u865a\u62df\u63a5\u53e3\u5df2\u7ecf\u8d77\u6765\uff0c\u4e5f\u83b7\u53d6\u5230\u4e86IP\u5730\u5740\u3002<\/span><\/p>\n
5\u3001NAT\u4e0e\u8def\u7531\u914d\u7f6e<\/strong><\/p>\n
Router-pppoe_client(config)#ip route 0.0.0.0 0.0.0.0 dialer 1 permanent \/\/\u5b9e\u9645\u73af\u5883\u4e2d\u53ef\u80fd\u5b58\u5728\u4e09\u5c42\u4ea4\u6362\u673a\uff0c\u8fd9\u65f6\u5019\u9700\u8981\u5199\u56de\u7a0b\u8def\u7531
\n\u8be5permanent\u53c2\u6570\u53ef\u4ee5\u8ba9\u9ed8\u8ba4\u8def\u7531\u6c38\u4e45\u5b58\u5728\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u6765\u51b3\u5b9a\u662f\u5426\u5b9a\u4e49<\/p>\n
 <\/p>\n
Router-pppoe_client<\/span>(config<\/span>)#ip<\/span> access-list<\/span> extended<\/span> nat<\/span><\/span><\/code>Router-pppoe_client<\/span>(config-ext-nacl<\/span>)#permit<\/span> ip<\/span> 192.168<\/span>.1<\/span>.0<\/span> 0.0<\/span>.0<\/span>.255<\/span> any<\/span><\/span><\/code>Router-pppoe_client<\/span>(config<\/span>)#ip<\/span> nat<\/span> inside<\/span> source<\/span> list<\/span> nat<\/span> interface<\/span> dialer<\/span> 1 overload<\/span><\/span><\/code>Router-pppoe_client<\/span>(config<\/span>)#<\/span><\/code><\/pre>\n<\/section>\n
int lo 0 \/\/\u8bf4\u660e\uff0c\u8fd9\u4e2a\u662f\u6f14\u793a\uff0c\u6240\u4ee5\u91c7\u7528\u7684\u662f\u73af\u56de\u53e3\uff0c\u5b9e\u9645\u73af\u5883\u8c03\u7528\u5728\u5185\u7f51\u63a5\u53e3\u5c31\u53ef\u4ee5
\nRouter-pppoe_client(config-if)#ip nat inside
\nRouter-pppoe_client(config-if)#exit<\/p>\n
 <\/p>\n
Router-pppoe_client(config)#int dialer 1<\/span><\/span><\/code>Router-pppoe_client(config-if<\/span>)#ip nat outside<\/span><\/span><\/code><\/pre>\n<\/section>\n
\u8bf4\u660e\uff1a\u8fd9\u91cc\u7528\u73af\u56de\u53e3\u6765\u505a\u6d4b\u8bd5\uff0c\u53e6\u5916nat\u7684\u8c03\u7528\u662f\u5728dialer\u53e3\uff0c\u800c\u4e0d\u662f\u7269\u7406\u63a5\u53e3\u3002<\/p>\n
 <\/p>\n
6\u3001\u6d4b\u8bd5<\/strong><\/p>\n
<\/div>
<\/div>
\u53ef\u4ee5\u6b63\u5e38\u8bbf\u95ee\u5916\u7f51\u4e86\u3002<\/span><\/p>\n
 <\/p>\n
 <\/p>\n
\u00a04\u00a0<\/span>\u5bb9\u6613\u9047\u5230\u7684\u95ee\u9898\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/strong><\/span><\/h2>\n
\uff081\uff09\u4e00\u4e9b\u7f51\u7ad9\u6216\u8005\u5e94\u7528\u6253\u5f00\u6162\u4ee5\u53ca\u6253\u4e0d\u5f00\u7684\u60c5\u51b5\uff0c\u8fd9\u4e2a\u5f88\u6709\u53ef\u80fd\u662fMTU\u4e0eTCP MSS\u5bfc\u81f4\uff0c\u53ef\u4ee5\u591a\u5c1d\u8bd5\u51e0\u4e2a\u503c\u6765\u8fbe\u5230\u6bd4\u8f83\u7406\u60f3\u7684\u6548\u679c\u3002<\/span>
<\/span><\/p>\n
\n
    \n
  • <\/li>\n
  • <\/li>\n
  • <\/li>\n<\/ul>\n
    Router-pppoe_client(config)#interface dialer 1<\/span><\/span><\/code>Router-pppoe_client(config-if<\/span>)#ip mtu 1492 \/\/\u8303\u56f4\u5efa\u8bae\u57281000~1492\u4e4b\u95f4<\/span><\/span><\/span><\/code>Router-pppoe_client(config-if<\/span>)#ip tcp adjust-mss 1420 \/\/\u8303\u56f4\u57281000~1452\u4e4b\u95f4<\/span><\/span><\/span><\/code><\/pre>\n<\/section>\n

    \uff082\uff09\u4e00\u4e9b\u5c0f\u4f01\u4e1a\u6216\u8005SOHO\u7ea7\u522b\u7684\u7f51\u7edc\u53ef\u80fd\u7533\u8bf7\u7684\u662f\u6c11\u7528\u7684\u62e8\u53f7\u7ebf\u8def\uff0c\u90a3\u8fd9\u4e2a\u65f6\u5019\u6709\u53ef\u80fd\u81ea\u5df1\u7528\u7535\u8111\u5148\u62e8\u5165\u6d4b\u8bd5\u6548\u679c\uff0c\u7136\u540e\u53d1\u73b0\u5728\u8def\u7531\u5668\u4e0a\u9762\u600e\u4e48\u90fd\u62e8\u5165\u4e0d\u4e86\uff0c\u90a3\u5f88\u6709\u53ef\u80fd\u662f\u8fd0\u8425\u5546\u90a3\u8fb9\u7ed1\u5b9a\u4e86\uff0c\u9700\u8981\u6253\u7535\u8bdd\u8fc7\u53bb\u677e\u7ed1\u3002<\/span>
    \uff083\uff09ADSL\u6709\u53ef\u80fd\u91c7\u7528\u79c1\u7f51\u5730\u5740\u5206\u914d\uff0c\u6240\u4ee5\u5728\u7533\u8bf7\u7684\u65f6\u5019\u9700\u8981\u8003\u8651\u662f\u5426\u9700\u8981\u505a\u6620\u5c04\u670d\u52a1\u51fa\u53bb\u6216\u8005\u4e00\u4e9bVPN\u62e8\u5165\uff0c\u5728\u7533\u8bf7\u7684\u65f6\u5019\u9700\u8981\u8ddf\u5bf9\u65b9\u8bf4\u660e\u6e05\u695a\u3002\uff08\u5305\u62ec80\u7aef\u53e3\u662f\u5426\u53ef\u4ee5\u7528\uff09<\/span><\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
        \u00a01\u00a0\u5b9e\u9a8c\u62d3\u6251\u4e0e\u76ee\u6807\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0   \u5728\u5de5\u4f5c\u4e2d\uff0c\u5f88\u6709\u53ef\u80fd\u9047\u5230 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-3924","post","type-post","status-publish","format-standard","hentry","category-cisco"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/3924","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3924"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/3924\/revisions"}],"predecessor-version":[{"id":3945,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/3924\/revisions\/3945"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}