Well there's a trick to allow more than 5 telnets to a Cisco router. Cisco
routers support more than 5 vty ports you just have to configure them before
they show in the config. By default you can only telnet directly to vty's
0 -> 4. The trick is to place VTy's 5 through 29 (or whatever) in a rotary
group (let's say 1) so then you can telnet to the router's IP, but to port
3001 (the rotary port for group 1). However the "ip alias" command let's us
map an ip address to a port number, so there's a way to hide port 3001 from
the end user(s). The config to allow 25 users to telnet to the router would
look something like this: (oh, and everyone telnets to 192.168.1.1 and the
host(s) must have a default route or route to the router for network
192.168.1.0)
enable cisco
interface loopback 0
ip address 192.168.1.2 255.255.255.0
ip alias 192.168.1.1 3001 (note: part of the loopback network)
line vty 5 29
rotary 1
password cisco
login
Enjoy, there's nothing like a little slight-of-hand....
Rodgers Moore, CCDP, CCNP-Security
Design and Security Consultant
Data Processing Sciences, Corp.
"jason yee" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> hi ,
> I am a instructor currently delivering CCNA course.The
> setup of the classroom consists of 2 routers but I
> have got 24 students telnetting to the 2 routers . I
> have problems for them telnetting to the routers
> because the max no of connections for the telnet
> sessions are 5 , my question is how can I increase the
> no. of connections so as to accomodate all the
> students without buying more routers.
>
>
> thanks
>
> suaveguru
>
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