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Dont think you can blame the companies WAN infrastructure on this all wans suffer from outages due to weather stroms etc etc. It's just the fact that if a cisco has telnet sessions connected to the access server be it modem or serial and the netwrok is lost ? The Cisco will not clearm those...

Thanks for the suggestion ! but as I said before it is nothing to do with or can be solved with by using a VPN. The server has multiple telnet seesions to multiple ports on the router " which is acting like a terminal server " from a renote machine on another site. When the main link goes the...

VPN ? Not sure what you mean by that? The scada opens multiple tcp telnet sessions to the modem ports, When the main router loses conection with the scada server it keeps these sessions open. When the server tries to connect back in it can't, until we kill all the lines or reboot the router...

We have a CISCO 3640 software version 12.3 with a 16 port 16am analogue modem module. We have a scada system which connects to each of these modems via a telnet session to the port. The problem we have occurs when there is a network failure/glitch between the scada server( remote site)or...

Hi Im trying to connect a Cisco 800/1600 with ISDN module over ISDN to a XYPLEX N9000 402 router or Route Runner ISDN. Does anyone have an Idea on the cisco config. I can get 3com,bintec and xyplex all talking but cannot get Cisco to talk to any of them.