cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
1528
Views
0
Helpful
9
Replies

How do I delete / clear / erase the current 2514 configuratoin

rstringer
Level 1
Level 1

Hello,

Newbie question.

How do I completely clear/delete the current running-configuration on a 2514? I want to start the router config totally from scratch.

TIA,

Rich

9 Replies 9

paddyxdoyle
Level 6
Level 6

Hi,

You can issue "erase startup-config" and then reboot the router.

HTH

PJD

Thank You,

I think that will do it.

I have one additional question.

When I telnet to the router from a DOS prompt, I get the following message:

"Password required, but none set.

Connection to host lost."

I also get the same message if I connect to the router via Hypertrm.exe.

Can anyone offer a solution?

Thanks again,

Rich

Sure,

It sounds like on your vty lines you have the command "login" configured however you haven't set up a password.

To set up a password you can try

# configure terminal

# line vty 0 4

# password

# exit

# line console 0

# password

# end

You can then also enter an enable mode password to take you into privilage mode

# enable secret

Alternatively if you didn't want a password you could try adding "no login" without using the "password" command to the above lines, this is fine for a test lab but not for the real world!

HTH

PJD

The erase startup-config and reboot is exactly how to start over from scratch.

The issue you are having with telnet is that the router does not have any password configured on the vty ports. The IOS by default requires a password on the vty ports for telnet to work. It is not an issue with your access software (telnet from DOS or hyperterm or any other software) but is an issue of router configuration.

There are two potential solutions to your issue. Both of them are changes in the configuration of the router. I would prefer to solve the problem by configuring a password. To configure a password do this:

config terminal

line vty 0 4

password

end

The other solution is to explicitly configure the vty to not require a password. To do this:

config terminal

line vty 0 4

no login

This will explicitly tell IOS not to require a password and will allow telnet. From a security standpoint I do not like this solution. But from a practicality situation it will work.

HTH

Rick

HTH

Rick

You're right. The last line in the config is a "login". My network is at home and the config will likely be changed often as I am just trying to learn and try new things. I'll try your suggestions and reply hopefully this afternoon.

Thanks again,

Rich

Thanks everyone,

I am certainly learning. I have come across a problem however. I can't see where I'm actually routing. I can't ping from 1 side of the router to the other. Below is output from "show running-config". Everything was config'd from the IOS wizard after I erased the configuration. Am I missing a statement such as this:

ip route 0.0.0.0 0.0.0.0 192.168.1.254

User Access Verification

Password:

Cisco-2514>ena

Password:

Cisco-2514#show running-config

Building configuration...

Current configuration:

!

version 11.2

no service password-encryption

no service udp-small-servers

no service tcp-small-servers

!

hostname Cisco-2514

!

enable secret xxx

enable password xxx

!

no ip routing

!

interface Ethernet0

ip address 192.168.1.1 255.255.255.0

no ip route-cache

!

interface Ethernet1

ip address 192.168.10.1 255.255.255.0

no ip route-cache

!

interface Serial0

no ip address

no ip route-cache

shutdown

no fair-queue

!

interface Serial1

no ip address

no ip route-cache

shutdown

!

no ip classless

snmp-server community public RO

!

line con 0

line aux 0

line vty 0 4

password xxx

login

!

end

Cisco-2514#

I also would like to get rid of the SNMP-related lines.

Thanks,

Rich

Hi,

If you have devices on each side of your router, as long as they addressed in the correct networks as per your router interfaces, and they have the correct netmask and default gateways then your router should route between the networks.

If you have other networks connected by other routers then indeed you will need to configure some routing on this router.

HTH

PJD

DOH: i just looked at your config and your router is not routing as it has the following command "no ip routing" so you need to change this to "ip routing", this is why its not working :)

Also to remove any commands in your config (you mentioned SNMP) you can normally do this by just putting a "no" at the beginning.

HTH

PJD

Review Cisco Networking for a $25 gift card