Did you try a 'netstat -l' to see if you're listening on the other
console ports?

Is it limited to literally the first 4 router instances in your list,
or any 4? If you can only open 4 connections (but any 4) then maybe a
windows or win firewall thing. If its actually that you can only
access the first 4 routers in your topology then it's probably a
GNS/Dynagen/Topolgy issue.

Bob
-- 
Sent from my iPhone, please excuse any typos.

On Mar 12, 2012, at 1:25 AM, Joe Danrich <[email protected]> wrote:

> Was the router active, meaning green on the GNS3 screen when you tried to 
> telnet in?
>
> Ciao
>
> Joe
>
> On 3/11/2012 9:31 PM, John Olsen wrote:
>> Hi Guys,
>>
>> I am having a play with GNS3, just running under Windows XP, not the one 
>> that runs under Ubuntu. It runs fine, but I cannot open more than four putty 
>> windows, eg only for the first four routers in the list, after that I get an 
>> error beep and the window flashes up and goes away. I have a feeling this 
>> might be something to do with Windows, either memory or page file size, 
>> although the fact that it is only allowing the first four makes me wonder. 
>> Does anyone have any ideas...I would never claim to be a Windows Guru!
>>
>> regards
>> John
>
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