I configured 2511 for accepting dialin users.I am unable to communicate with the modem using reverse telnet.The modem is Zyxel .I have tried all options given in cisco documentation.I also need a sample configuration for the following scenario.
I am having a linux server running web,mail and ftp services.There are some 100 users who will be dialing in to the 2511 and connect to the linux server for web,mail and ftp services.I have given a different range of IP to the dial in clients.The linux server to which the dial-in users will connect to is on different range of IP.Will it work?If so how to enable routing?
I am in progress of configuring the 2511 router for dial in.Now i am unable to reverse telnet into the modem to configure it.I have selected modem autoconfigure discovery,but the router is not communicationg with the modem.And also i am unable to reverse telnet into the modem.Help me.
That may be mostly a physical layer issue. Need to know the cable you use on 2511 along with the label on DB25 adaptor which need to connect modem. Mostly you have OCTAL cable with 8 RJ45 ports. That is the RJ45 Rolled cable.
so you need DB25 adaptor marked as "MODEM" (part number CAB-25AS-MMOD) to plug in to modem.
Here is the detailed modem to router connection guide which covers the required cables and config etc
I am using a RJ-45 to DB9 connecter to connect the asnyc line to the modem.The modem supports only DB9 connector.The line speed is not getting locked.When ever i give sh run command the line speed differs from time to time.When i reverse telnet into the modem the modem doesn't respond to the AT command.Kindly give me a solution.The following is the configuration i have done.
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