topic You can check using below in Switching

problem setting vty password in packet tracer

Clay Plaga — Fri, 08 Mar 2019 07:28:47 GMT

I'm trying to configure a vty password in packet tracer and I think I'm doing something wrong. These are the commands I'm using:

line vty 0

password test

end

When I do showrun I can see the command, but when I try to get access to the vty line, it never ask's me for the password. What am I doing wrong.

Screen shot included. Thanks.

Have not used packet tracer,

Reza Sharifi — Thu, 09 Apr 2015 20:16:00 GMT

Have not used packet tracer, but try

line vty 0 15

line vty 0 4

and add the password and test again.

HTH

Thanks for the help. I will

Clay Plaga — Thu, 09 Apr 2015 20:20:10 GMT

Thanks for the help. I will try but I have question. After I configure the line vty o, what is the command to test it to see if it will ask me for the password?

Just log out and log back in

Reza Sharifi — Thu, 09 Apr 2015 20:27:29 GMT

Just log out and log back in to the device.

what is the command I need to

Clay Plaga — Thu, 09 Apr 2015 20:39:54 GMT

I did log out, then I logged back in. what is the command I need to use to try and access the vty 0 4 lines?

There is no specific command.

Reza Sharifi — Thu, 09 Apr 2015 20:50:30 GMT

There is no specific command. You just open a session to the device via putty, secure CRT, etc.. and that session will use one of the vty lines.

HTH

It sounds like you do not

Martin Carr — Thu, 09 Apr 2015 21:39:41 GMT

It sounds like you do not understand the difference between console and VTY lines...

line con 0 is what is used when you are physically connected to the switch, which from what you have said, I suspect to be the case.

VTY lines are used for connecting remotely, hence why you are not getting prompted.

If this is the case, then you need to configure the above in the same manor, in addition you need to issue the 'login' command.

Martin

Thank You for the information

Clay Plaga — Fri, 10 Apr 2015 17:23:46 GMT

Thank You for the information. Yes, last night I did realize that the username & password will only work if reconnect via telnet or SSH, which I am not--I'm connected via the console cable in packet tracer. Is there a way I can connect to a switch with putty using packet tracer? Is there a packet tracer lab where I can practice setting up telnet or ssh, and then log into the switch using putty with the private IP address within the LAN and the public IP address from outside the LAN?

Thanks.

As far as Im aware, Packet

adammcleish — Fri, 10 Apr 2015 17:37:10 GMT

As far as Im aware, Packet Tracer doesn't do any layer 3 routing, so you can't set up an IP address on the switch.

Doing it with routers instead will work fine in Packet Tracer.

You can check using below

Kumaresan Chinnasamy — Fri, 10 Apr 2015 17:47:32 GMT

You can check using below steps,

1. Connect two switches

2. Configure IP address in Vlan 1 interface on any one switch

3. Configure enable password

4. Configure line vty on same switch

Then telnet configured ip from another switch.

Example,

Step 2:

Switch1(config)#int vlan1
Switch1(config-if)#ip address 10.0.0.1 255.0.0.0
Switch1(config-if)#no shut

Step 3:

Switch1(config)#enable password cisco

Step 4:

Switch1(config)#line vty 0 4
Switch1(config-line)#password cisco
Switch1(config-line)#login

To check:

Switch2#telnet 10.0.0.1

This is not correct, PT can

Martin Carr — Fri, 10 Apr 2015 18:33:56 GMT

This is not correct, PT can route, but irrespective you don't need it to assign an address to a SVI, which is what the OP needs to do, so he can establish a Telnet session.

OP, if you do not know how to do this then say.

For the public side you could use a ML switch with two SVI's, this simulates connecting via the internet, as far as your concerned.

In reality, this isn't what happens at all, as there are many other aspects involved, i.e. PAT/NAT, firewalls, but this is outside the scope of this discussion.

Martin

Hi, You can check using below

Kumaresan Chinnasamy — Fri, 10 Apr 2015 18:43:18 GMT

Hi,

You can check using below steps,

1. Connect two switches

2. Configure IP address in Vlan 1 interface on any one switch

3. Configure enable password

4. Configure line vty on same switch

Then telnet configured ip from another switch.

Example,

Step 2:

Switch1(config)#int vlan1
Switch1(config-if)#ip address 10.0.0.1 255.0.0.0
Switch1(config-if)#no shut

Step 3:

Switch1(config)#enable password cisco

Step 4:

Switch1(config)#line vty 0 4
Switch1(config-line)#password cisco
Switch1(config-line)#login

To check:

Switch2#telnet 10.0.0.1

As far as I know, you can't

Clay Plaga — Fri, 10 Apr 2015 20:04:41 GMT

As far as I know, you can't assign an IP address to an individual interface, but you can assign an administrative IP address to the switch itself. This screen shot is the commands that I used to assign an ip address, subnet mask & gateway. And I have done this on real 2960g.

Thanks, I will try this when

Clay Plaga — Fri, 10 Apr 2015 20:06:00 GMT

Thanks, I will try this when I get home.

Now you can see the commands.

Clay Plaga — Fri, 10 Apr 2015 20:08:52 GMT

Now you can see the commands. The screen shot is attached.

You cannot create a routed

Martin Carr — Fri, 10 Apr 2015 20:35:47 GMT

You cannot create a routed interface on a 2960, to do this you need a ML switch, 3560, 3750 etc.

You have done as I said above, so now you can connect to it via IP.

Martin

Thank you for the information

Clay Plaga — Tue, 14 Apr 2015 17:59:31 GMT

Thank you for the information. I completed all the steps in your instructions except the last one:

Switch2#telnet 10.0.0.1

I don't know how to telnet into the sw2. How do I do this without using putty. Can you please show me how to do this? Thank You.

I hope you wanted to

Kumaresan Chinnasamy — Tue, 14 Apr 2015 18:10:54 GMT

I hope you wanted to understand how line vty is working.

If yes, then login switch2 via console and telnet switch1 using ip which is configured for Vlan1 in the switch1.

You type that command on the

Martin Carr — Tue, 14 Apr 2015 18:19:51 GMT

You type that command on the switch.

However, the other switch will need an IP address (on the same network) for the two to communicate.

Martin

I have followed your

Clay Plaga — Tue, 14 Apr 2015 19:19:21 GMT

I have followed your instructions. Sw01 is on vlan 1, ip address 10.0.0.1 subnet mask 255.0.0.0. Sw02 is on vlan 1, ip address 10.0.0.2 subnet mask 255.0.0.0. I have a console connection to sw02. Then I open a new terminal connection and I use enable command. Then I type, telnet 10.0.01, then it says connection timed out; remote host not responding.