topic Re: IP DHCP name with space in Switching

IP DHCP name with space

shelly mathew — Sat, 09 Mar 2019 00:58:27 GMT

Hi,

I have a Cisco 4503 with Software version 03.03.00.SG. I have a dhcp pool name with spaces, i'm unable to manage this pool, or delete it.

ip dhcp pool AAA Gxxx Wi-Fi

I get the following error when trying

Invalid input detected at '^' marker.

appreciate any help.

Re: IP DHCP name with space

balaji.bandi — Tue, 08 Jan 2019 08:03:45 GMT

That is not correct syntax to use.

refer below command reference :

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/XE3-9-0E/15-25E/configuration/guide/xe-390-configuration/config_dhcp.html?bookSearch=true

you mentioned you can not delete ? can you post your configuration ?

Re: IP DHCP name with space

shelly mathew — Tue, 08 Jan 2019 08:08:32 GMT

hi,
I entered 'no ip dhcp pool AAA Gxxxx Wi-Fi'

Re: IP DHCP name with space

Andrew Khalil — Tue, 08 Jan 2019 08:08:49 GMT

Hello @shelly mathew,

I don't fully understand,

But if you want to create that dhcp pool, the spaces will not be accepted!

Instead I usually use _

So you can create it using:

ip dhcp pool AAA_Gxxx_Wi-Fi

Please don't forget to rate all helpful responses!

Bsr Rgds,

Andrew Khalil

Re: IP DHCP name with space

shelly mathew — Tue, 08 Jan 2019 08:10:17 GMT

The pool is active. i want to delete it.

Re: IP DHCP name with space

Andrew Khalil — Tue, 08 Jan 2019 08:12:42 GMT

@shelly mathew,

Try:

no ip dhcp pool AAA_Gxxx_Wi-Fi

Please don't forget to rate all helpful responses!

Bst Rgds,

Andrew Khalil

Re: IP DHCP name with space

shelly mathew — Tue, 08 Jan 2019 08:15:33 GMT

That gives me the error i mentioned in the post.

Invalid input detected at '^' marker.

Re: IP DHCP name with space

Andrew Khalil — Tue, 08 Jan 2019 08:21:02 GMT

@shelly mathew that error you have attached, it's when you configure new dhcp pool,

Anyway, try to type no then copy paste the exact written command, but by copying and pasting not by typing!

and share with us a screenshoot of the results!

Please don't forget to rate all helpful responses!

Bst Rgds,

Andrew Khalil

Re: IP DHCP name with space

shelly mathew — Tue, 08 Jan 2019 08:31:03 GMT

Same error. I've attached the snip here.

Re: IP DHCP name with space

Andrew Khalil — Tue, 08 Jan 2019 08:34:23 GMT

@shelly mathew,

It's weird!

Try to reload the switch and check !

if not, maybe you can factory reset it and reconfigure it!

Please don't forget to rate all the helpful responses!

Bst Rgds,

Andrew Khalil

Re: IP DHCP name with space

shelly mathew — Tue, 08 Jan 2019 08:36:09 GMT

Hi,
Its our core switch, in production. I don't want to reload or reset it.

Re: IP DHCP name with space

Andrew Khalil — Tue, 08 Jan 2019 08:42:56 GMT

@shelly mathew

What terminal software are you using?

Is it a console cable connection or SSH or telnet?

Maybe you try to change the terminal software, maybe there is a hidden character between the words but we don't know it? also if you are connected through console try by telnet or vice versa!

Please don't forget to rate all helpful responses!

Bst Rgds,

Andrew Khalil

Re: IP DHCP name with space

Kasun Bandara — Tue, 08 Jan 2019 08:43:40 GMT

Hi,
you cannot create or delete DHCP pools with space in name. i don't know how you entered this name. try copy existing DHCP pool name to notepad from cli and paste it back to CLI with 'no'.

1 - use - show run
2 - copy DHCP pool name (if in putty, select the name)
3 - type 'no ip dhcp pool' + paste copied name (if in putty, right click to paste)

regards,

Re: IP DHCP name with space

shelly mathew — Tue, 08 Jan 2019 08:58:48 GMT

@Kasun Bandara Yes, I've tried that already. No luck.
@Andrew Khalil The switch is at a remote office, I've connected over telnet. I've tried with putty and tera term, same error.

Re: IP DHCP name with space

Georg Pauwen — Tue, 08 Jan 2019 09:22:55 GMT

Hello,

on a side note, I tried this in GNS3 with IOSv 15.6(2)T, and it lets me create and delete DHCP pools with white spaces just fine.

Either way, not sure if somebody has mentioned this, but try and copy the startuo config to a TFTP server, then manually delete the pool, copy the startuo back to flash, and then copy startup to runnning...

Re: IP DHCP name with space

Andrew Khalil — Tue, 08 Jan 2019 11:28:38 GMT

@shelly mathew, Hello again!

I have searched for you, and I have found that this problem can be happened when the configuration of this pool was done through the GUI, otherwise, it is not accepted from the CLI, even config. load to switch will not be accepted and it usually fails with an error pointing to the line in the config that has the DHCP pool name.

Now, you have 2 options more I recommend to follow:

1- Is to access the switch using it's GUI, and delete the DHCP pool directly there! if it's not accepted as well.

2- Take a backup from the GUI, then edit the name of the DHCP pool to use - instead of the spaces, and then upload it using the GUI or the CLI!

Please, try it, I wish it works!

Please don't forget to rate any helpful responses!

Bst Rgds!

Andrew Khalil

Re: IP DHCP name with space

balaji.bandi — Tue, 08 Jan 2019 16:38:01 GMT

At this stage can you post running config to have a look ?

what kind of tool you using to connect ?

Re: IP DHCP name with space

shelly mathew — Thu, 10 Jan 2019 09:25:12 GMT

Hi,
I've attached the config here. i'm connecting using teraterm/ putty. I've tried directly through serial, but i'm still unable to edit.

Re: IP DHCP name with space

paul driver — Thu, 10 Jan 2019 10:42:24 GMT

Hello

Possible a ghost entry, Reload the device when applicable to see if that removes it, in the interim just remove the network scope and any options applied to it.

Re: IP DHCP name with space

shelly mathew — Thu, 10 Jan 2019 10:46:12 GMT

How do i modify the pool? i cannot enter the pool name to modify it.