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我用cisco2600做了一个NAT带动内网用户上网,为何不能从外网TELNET到我的路由器和我的内网的服务器上(已做静态映射),但从内网却可以TELNET上去,其它的如WEB,FTP都可以从外网访问我的内网服务器,求助如何才能从外网向内网telnet。我记得以前是可以的,不知什么原因就不行了,在这中间我升级了一下IOS,现在的IOS是:\r\nCisco Internetwork Operating System Software\r\nIOS (tm) C2600 Software (C2600-I-M), Version 12.1(3)T, RELEASE SOFTWARE (fc1)\r\nCopyright (c) 1986-2000 by cisco Systems, Inc.\r\nCompiled Wed 19-Jul-00 16:02 by ccai\r\nImage text-base: 0x80008088, data-base: 0x808A9264\r\n\r\nROM: System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)\r\n\r\ninternet-gate uptime is 11 hours, 29 minutes\r\nSystem returned to ROM by error - a SegV exception, PC 0x808A6D30\r\nSystem image file is \"flash:c2600-i-mz.121-3.t.bin\" |
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