{"id":100200,"date":"2026-09-04T07:33:41","date_gmt":"2026-09-03T23:33:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/100200.html"},"modified":"2026-09-04T07:33:41","modified_gmt":"2026-09-03T23:33:41","slug":"%e5%8d%8e%e4%b8%ba-ensp-%e5%a4%a7%e5%9e%8b%e4%bc%81%e4%b8%9a%e6%80%bb%e5%88%86%e9%83%a8%e7%bd%91%e7%bb%9c%e7%bb%bc%e5%90%88%e5%ae%9e%e9%aa%8c%ef%bc%88nattelnet-%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%ae%bf","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/100200.html","title":{"rendered":"\u534e\u4e3a eNSP \u5927\u578b\u4f01\u4e1a\u603b\u5206\u90e8\u7f51\u7edc\u7efc\u5408\u5b9e\u9a8c\uff08NAT+Telnet + \u670d\u52a1\u5668\u8bbf\u95ee\uff09"},"content":{"rendered":"

\"\"<\/p>\n

\u5b9e\u9a8c\u9700\u6c42：<\/p>\n

  • \u603b\u5206\u90e8\u51fa\u53e3\u8def\u7531\u5668\u914d\u7f6e NAT，\u5185\u7f51 PC \u53ef ping \u901a\u5bf9\u7aef\u5916\u7f51\u63a5\u53e3；<\/li>\n
  • \u603b\u5206\u90e8\u3001\u4e92\u8054\u7f51\u7528\u6237\u5747\u53ef\u8bbf\u95ee\u5185\u7f51 WEB \u670d\u52a1\u5668；<\/li>\n
  • \u7f51\u7ba1 VLAN200：10.1.200.0\/24，\u6a21\u62df\u7f51\u7ba1\u8bbe\u5907 Telnet \u7ba1\u7406\u63a5\u5165\u3001\u6c47\u805a\u3001\u6838\u5fc3\u4ea4\u6362\u673a\u3002<\/li>\n

    📍IP&VLAN \u89c4\u5212<\/h4>\n

    \u8868\u683c<\/p>\n\n\u8bbe\u5907VLANIP \u5730\u5740\u7f51\u5173<\/tr>\n\n\n\n\n\n\n\n\n\n\n\n\n
    PC1<\/td>\nVLAN11<\/td>\n172.16.1.253\/24<\/td>\n172.16.1.254<\/td>\n<\/tr>\n
    PC2<\/td>\nVLAN12<\/td>\n172.16.2.253\/24<\/td>\n172.16.2.254<\/td>\n<\/tr>\n
    Server1 (\u5185\u90e8\u670d\u52a1\u5668)<\/td>\nVLAN13<\/td>\n172.16.3.253\/24<\/td>\n172.16.3.254<\/td>\n<\/tr>\n
    AR1 \u6a21\u62df\u7f51\u7ba1<\/td>\nVLAN14<\/td>\n172.16.4.253\/24<\/td>\n172.16.4.254<\/td>\n<\/tr>\n
    PC4<\/td>\nVLAN15<\/td>\n172.16.5.253\/24<\/td>\n172.16.5.254<\/td>\n<\/tr>\n
    Client1<\/td>\nVLAN16<\/td>\n172.16.6.253\/24<\/td>\n172.16.6.254<\/td>\n<\/tr>\n
    SW\u2011ACC \u63a5\u5165<\/td>\nVLAN200 \u7ba1\u7406<\/td>\n10.1.200.1\/24<\/td>\n–<\/td>\n<\/tr>\n
    SW\u2011AGG1 \u6c47\u805a<\/td>\nVLAN200 \u7ba1\u7406<\/td>\n10.1.200.2\/24<\/td>\n–<\/td>\n<\/tr>\n
    SW\u2011CORE1 \u6838\u5fc3<\/td>\nVLAN200 \u7ba1\u7406<\/td>\n10.1.200.254\/24<\/td>\n–<\/td>\n<\/tr>\n
    \u6838\u5fc3\u4e92\u8054 VLAN100<\/td>\nVLAN100<\/td>\n172.16.100.0\/24<\/td>\n–<\/td>\n<\/tr>\n
    \u6838\u5fc3\u4e92\u8054 VLAN101<\/td>\nVLAN101<\/td>\n172.16.101.0\/24<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u5916\u7f51：<\/p>\n

      \n
    • AR2 \u603b\u90e8\u51fa\u53e3\u5916\u7f51：202.96.10.0\/24<\/li>\n
    • AR5 \u5206\u90e8\u51fa\u53e3\u5916\u7f51：202.96.20.0\/24<\/li>\n
    • ISP1：202.96.10.2\u3001202.96.20.1\u3001113.100.10.1<\/li>\n<\/ul>\n
      \n

      1\u3001\u63a5\u5165\u4ea4\u6362\u673a SW\u2011ACC<\/h3>\n

      sysname SW-ACC
      \nvlan batch 11 12 200
      \n#PC1
      \ninterface Ethernet0\/0\/1
      \n port link-type access
      \n port default vlan 11
      \n#PC2
      \ninterface Ethernet0\/0\/2
      \n port link-type access
      \n port default vlan 12
      \n#\u4e0a\u8054\u6c47\u805aTrunk
      \ninterface GigabitEthernet0\/0\/1
      \n port link-type trunk
      \n port trunk allow-pass vlan 11 12 200<\/p>\n

      #\u7ba1\u7406VLANIF200
      \ninterface Vlanif200
      \n ip address 10.1.200.1 255.255.255.0
      \n#\u9ed8\u8ba4\u8def\u7531\u6307\u5411\u6c47\u805a\u7ba1\u7406\u5730\u5740
      \nip route-static 0.0.0.0 0.0.0.0 10.1.200.2<\/p>\n

      #Telnet AAA\u914d\u7f6e
      \naaa
      \n local-user admin password cipher 123456
      \n local-user admin privilege level 15
      \n local-user admin service-type telnet
      \nquit
      \nuser-interface vty 0 4
      \n authentication-mode aaa
      \nquit<\/p>\n

      2\u3001\u6c47\u805a\u4ea4\u6362\u673a SW\u2011AGG1<\/h3>\n

      sysname SW-AGG1
      \nvlan batch 11 12 200 100
      \n#\u4e0b\u8054\u63a5\u5165Trunk
      \ninterface GigabitEthernet0\/0\/2
      \n port link-type trunk
      \n port trunk allow-pass vlan 11 12 200
      \n#\u4e0a\u8054\u6838\u5fc3Trunk
      \ninterface GigabitEthernet0\/0\/1
      \n port link-type trunk
      \n port trunk allow-pass vlan 11 12 100 200<\/p>\n

      #\u4e1a\u52a1\u7f51\u5173
      \ninterface Vlanif11
      \n ip address 172.16.1.254 255.255.255.0
      \ninterface Vlanif12
      \n ip address 172.16.2.254 255.255.255.0
      \ninterface Vlanif100
      \n ip address 172.16.100.1 255.255.255.0
      \n#\u7ba1\u7406VLANIF200
      \ninterface Vlanif200
      \n ip address 10.1.200.2 255.255.255.0<\/p>\n

      #\u8def\u7531
      \nip route-static 0.0.0.0 0.0.0.0 172.16.100.2
      \nip route-static 10.1.200.254 255.255.255.255 172.16.100.2<\/p>\n

      #Telnet AAA
      \naaa
      \n local-user admin password cipher 123456
      \n local-user admin privilege level 15
      \n local-user admin service-type telnet
      \nquit
      \nuser-interface vty 0 4
      \n authentication-mode aaa
      \nquit<\/p>\n

      3\u3001\u6838\u5fc3\u4ea4\u6362\u673a SW\u2011CORE1<\/h3>\n

      sys
      \nsysname SW-CORE1
      \nvlan batch 11 12 13 14 100 101 200
      \n#\u4e0b\u8054\u6c47\u805aTrunk
      \ninterface GigabitEthernet0\/0\/1
      \n port link-type trunk
      \n port trunk allow-pass vlan 11 12 100 200
      \n#\u8fde\u63a5AR1\u6a21\u62df\u7f51\u7ba1\u8def\u7531\u5668
      \ninterface GigabitEthernet0\/0\/19
      \n port link-type trunk
      \n port trunk allow-pass vlan 14
      \n#\u63a5\u5165\u5185\u90e8\u670d\u52a1\u5668Server1
      \ninterface GigabitEthernet0\/0\/0
      \n port link-type access
      \n port default vlan 13
      \n#\u4e0a\u8054\u603b\u90e8\u51fa\u53e3AR2
      \ninterface GigabitEthernet0\/0\/3
      \n port link-type access
      \n port de vlan 101<\/p>\n

      #VLANIF\u7f51\u5173
      \ninterface Vlanif11
      \n ip address 172.16.1.254 255.255.255.0
      \ninterface Vlanif12
      \n ip address 172.16.2.254 255.255.255.0
      \ninterface Vlanif13
      \n ip address 172.16.3.254 255.255.255.0
      \ninterface Vlanif14
      \n ip address 172.16.4.254 255.255.255.0
      \ninterface Vlanif100
      \n ip address 172.16.100.2 255.255.255.0
      \ninterface Vlanif101
      \n ip address 172.16.101.2 255.255.255.0
      \ninterface Vlanif200
      \n ip address 10.1.200.254 255.255.255.0<\/p>\n

      #\u9759\u6001\u8def\u7531
      \nip route-static 172.16.1.0 255.255.255.0 172.16.100.1
      \nip route-static 172.16.2.0 255.255.255.0 172.16.100.1
      \nip route-static 0.0.0.0 0.0.0.0 172.16.101.1<\/p>\n

      #Telnet AAA
      \naaa
      \n local-user admin password cipher 123456
      \n local-user admin privilege level 15
      \n local-user admin service-type telnet
      \nquit
      \nuser-interface vty 0 4
      \n authentication-mode aaa
      \nquit<\/p>\n

      4\u3001AR1（\u6a21\u62df\u7f51\u7ba1\u8def\u7531\u5668）<\/h3>\n

      sys
      \nsysname AR1
      \ninterface GigabitEthernet0\/0\/1 #\u4e0d\u8003\u8651\u5b50\u63a5\u53e3\u7684\u60c5\u51b5\u4e0b
      \n ip address 172.16.4.253 24<\/p>\n

      #\u8bbf\u95ee\u7f51\u7ba1VLAN200
      \nip route-static 10.1.200.0 255.255.255.0 172.16.4.254<\/p>\n

      5\u3001AR2（\u603b\u90e8\u51fa\u53e3\u8def\u7531\u5668，NAT + \u670d\u52a1\u5668\u6620\u5c04）<\/h3>\n

      sysname AR2
      \n#\u5bf9\u63a5\u6838\u5fc3\u4ea4\u6362\u673a
      \ninterface GigabitEthernet0\/0\/1
      \n ip address 172.16.101.1 255.255.255.0
      \n#\u5bf9\u63a5ISP1\u5916\u7f51\u53e3
      \ninterface GigabitEthernet0\/0\/0
      \n ip address 202.96.10.1 255.255.255.0<\/p>\n

      #NAT\u611f\u5174\u8da3\u6d41，\u6574\u4e2a\u4f01\u4e1a\u5185\u7f51\u7f51\u6bb5
      \nacl number 3000
      \n rule permit ip source 172.16.0.0 0.0.255.255
      \n#NAT\u5730\u5740\u6c60
      \nnat address-group 1 202.96.10.10 202.96.10.20
      \ninterface GigabitEthernet0\/0\/0
      \n nat outbound 3000 address-group 1 no-pat
      \n#NAT Server，\u5916\u7f51\u8bbf\u95ee\u5185\u90e8\u670d\u52a1\u5668Server1 172.16.3.253
      \n nat server protocol tcp global 202.96.10.30 80 inside 172.16.3.253 80<\/p>\n

      #\u8def\u7531
      \nip route-static 172.16.0.0 255.255.0.0 172.16.101.2
      \nip route-static 0.0.0.0 0.0.0.0 202.96.10.2<\/p>\n

      6\u3001ISP1 \u8fd0\u8425\u5546\u8def\u7531\u5668<\/h3>\n

      sysname ISP1
      \ninterface GigabitEthernet0\/0\/0
      \n ip address 202.96.10.2 255.255.255.0
      \ninterface GigabitEthernet0\/0\/2
      \n ip address 202.96.20.1 255.255.255.0
      \ninterface GigabitEthernet0\/0\/1
      \n ip address 113.100.10.1 255.255.255.0<\/p>\n

      #\u56de\u6307\u4f01\u4e1a\u5185\u7f51\u8def\u7531
      \nip route-static 172.16.0.0 255.255.0.0 202.96.10.1<\/p>\n

      7\u3001AR5（\u5206\u90e8\u51fa\u53e3\u8def\u7531\u5668，NAT）<\/h3>\n

      sysname AR5
      \n#\u5bf9\u63a5ISP1
      \ninterface GigabitEthernet0\/0\/0
      \n ip address 202.96.20.2 255.255.255.0
      \n#\u5bf9\u63a5\u5206\u90e8\u4ea4\u6362\u673aLSW3
      \ninterface GigabitEthernet0\/0\/1
      \n ip address 172.16.5.254 255.255.255.0<\/p>\n

      acl number 3000
      \n rule permit ip source 172.16.5.0 0.0.0.255
      \n rule permit ip source 172.16.6.0 0.0.0.255
      \nnat address-group 1 202.96.20.10 202.96.20.20
      \ninterface GigabitEthernet0\/0\/0
      \n nat outbound 3000 address-group 1 no-pat<\/p>\n

      #\u8def\u7531
      \nip route-static 0.0.0.0 0.0.0.0 202.96.20.1
      \nip route-static 172.16.0.0 255.255.0.0 202.96.20.1<\/p>\n

      8\u3001SW3 \u5206\u90e8\u4ea4\u6362\u673a<\/h3>\n

      sys
      \nsysname SW3
      \nvlan batch 15 16<\/p>\n

      #PC4
      \ninterface g0\/0\/1
      \n port link-type access
      \n port default vlan 15<\/p>\n

      #Client1
      \ninterface g0\/0\/2
      \n port link-type access
      \n port default vlan 16<\/p>\n

      #\u4e0a\u8054AR5\u5206\u90e8\u51fa\u53e3
      \ninterface g0\/0\/19
      \n port link-type trunk
      \n port trunk allow-pass vlan 15 16<\/p>\n

      interface Vlanif15
      \n ip address 172.16.5.254 255.255.255.0
      \ninterface Vlanif16
      \n ip address 172.16.6.254 255.255.255.0<\/p>\n

      9\u3001ISP2 \u4e92\u8054\u7f51\u8def\u7531\u5668（\u53ef\u9009）<\/h3>\n

      sysname ISP2
      \ninterface GigabitEthernet0\/0\/0
      \n ip address 113.100.10.2 255.255.255.0
      \ninterface GigabitEthernet0\/0\/2
      \n ip address 113.100.30.254 255.255.255.0
      \ninterface GigabitEthernet0\/0\/1
      \n ip address 113.100.20.254 255.255.255.0<\/p>\n

      ip route-static 0.0.0.0 0.0.0.0 113.100.10.1<\/p>\n

      \u2705\u5b9e\u9a8c\u9a8c\u8bc1<\/h3>\n
    • Telnet \u7f51\u7ba1\u6d4b\u8bd5：AR1（172.16.4.253）\u6267\u884ctelnet 10.1.200.1，\u8d26\u53f7admin\u5bc6\u7801123456；\u4f9d\u6b21\u767b\u5f55\u63a5\u5165\u3001\u6c47\u805a\u3001\u6838\u5fc3\u4ea4\u6362\u673a\u3002\n

      \"\" <\/p>\n

      SW-ACC<\/p>\n

      \"\" <\/p>\n

      SW-AGG1<\/p>\n

      \"\" <\/p>\n

      SW-CORE1<\/p>\n<\/li>\n

    • NAT \u4e92\u901a\u6d4b\u8bd5：\u603b\u90e8 PC1 ping \u5206\u90e8\u5916\u7f51\u53e3202.96.20.2；\u5206\u90e8 PC4 ping \u603b\u90e8\u5916\u7f51\u53e3202.96.10.1，\u901a\u8868\u793a NAT \u914d\u7f6e\u6b63\u5e38\u3002<\/li>\n
    • WEB \u670d\u52a1\u5668\u8bbf\u95ee：\n
        \n
      • \u5185\u7f51 PC \u76f4\u63a5\u8bbf\u95ee172.16.3.253；<\/li>\n
      • \u4e92\u8054\u7f51 PC \u8bbf\u95ee\u516c\u7f51\u6620\u5c04\u5730\u5740202.96.10.30；<\/li>\n
      • \u5206\u90e8 PC4 \u4e5f\u53ef\u4ee5\u8bbf\u95ee\u5185\u7f51\u670d\u52a1\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n

        💡\u6ce8\u610f\u70b9：<\/p>\n

      • \u8def\u7531\u5668\u4e8c\u5c42\u53e3\u547d\u4ee4portlink\u2011mode layer2，eNSP \u4e2d AR \u7cfb\u5217\u8def\u7531\u5668\u63a5\u53e3\u5207\u6362\u4e8c\u5c42\u6a21\u5f0f；<\/li>\n
      • no\u2011pat \u4e3a\u591a\u5730\u5740 NAT，\u4e5f\u53ef\u66ff\u6362\u4e3a easy\u2011ip；<\/li>\n
      • Telnet \u660e\u6587\u4e0d\u5b89\u5168，\u751f\u4ea7\u73af\u5883\u66ff\u6362 SSH；<\/li>\n
      • PC \u548c\u670d\u52a1\u5668\u5173\u95ed\u9632\u706b\u5899，\u5f00\u542f HTTP \u670d\u52a1\u3002<\/li>\n","protected":false},"excerpt":{"rendered":"

        \u5b9e\u9a8c\u9700\u6c42： \u603b\u5206\u90e8\u51fa\u53e3\u8def\u7531\u5668\u914d\u7f6e NAT，\u5185\u7f51 PC \u53ef ping \u901a\u5bf9\u7aef\u5916\u7f51\u63a5\u53e3；\u603b\u5206\u90e8\u3001\u4e92\u8054\u7f51\u7528\u6237\u5747\u53ef\u8bbf\u95ee\u5185\u7f51 WEB \u670d\u52a1\u5668；\u7f51\u7ba1 VLAN200：10.1.200.0\/24，\u6a21\u62df\u7f51\u7ba1\u8bbe\u5907 Telnet \u7ba1\u7406\u63a5\u5165\u3001\u6c47\u805a\u3001\u6838\u5fc3\u4ea4\u6362\u673a\u3002 📍IP&VLAN \u89c4\u5212
        \n\u8868\u683c
        \n\u8bbe\u5907VLANIP \u5730\u5740\u7f51\u5173PC1VLAN11172.16.1.253\/24172.16.1.254PC2V<\/p>\n","protected":false},"author":2,"featured_media":100196,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9098,11464,11465,11466,11463,1942],"topic":[],"class_list":["post-100200","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-it","tag-nat","tag-vlanif","tag-11466","tag--ensp","tag-telnet"],"yoast_head":"\n\u534e\u4e3a eNSP \u5927\u578b\u4f01\u4e1a\u603b\u5206\u90e8\u7f51\u7edc\u7efc\u5408\u5b9e\u9a8c\uff08NAT+Telnet + \u670d\u52a1\u5668\u8bbf\u95ee\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/100200.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u534e\u4e3a eNSP \u5927\u578b\u4f01\u4e1a\u603b\u5206\u90e8\u7f51\u7edc\u7efc\u5408\u5b9e\u9a8c\uff08NAT+Telnet + \u670d\u52a1\u5668\u8bbf\u95ee\uff09 - 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