[c-nsp] Dynamic dns on a cisco ios router

[Ziv Leyes]

As promised, I report back, sorry for the delay...
I can confirm that this method worked fine for me!

The only captcha that I had (I've forgotten about it and took me a while to figure out) is that the address has a question mark that can't be entered if you don't do it correctly, and that's why it didn't work for me before.
Before inserting the question mark you need to press <Ctrl+V> and only then the question mark

So, below here are the settings that worked for me, based on what James posted, with a little addition I've found on some forum

ip ddns update method DynDNS
 HTTP
  add http://xxxx:xxxxxx@members.dyndns.org/nic/update <CTRL+V> ?system=dyndns&hostname=<h>&myip=<a>
 interval maximum 1 0 0 0
!
interface Dialer0
 ip ddns update hostname xxxx.ath.cx
 ip ddns update DynDNS host members.dyndns.org

Thanks!
Ziv

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Ziv Leyes
Sent: Tuesday, May 31, 2011 12:25 PM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Dynamic dns on a cisco ios router

I'll definitely try this at home and report back!
Thanks,
Ziv

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of James Paussa
Sent: Tuesday 31 May 2011 12:05
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Dynamic dns on a cisco ios router

Hi,
Had this come up in a job I was just doing on the weekend on a 857w running 12.4(6)T6 ADVSECURITYK9-M. Here is the config I have working with it:
ip ddns update method domain_ddns
  HTTP
   add
http://xxxx:xxxx@members.dyndns.org/nic/update?system=dyndns&hostname=<h>&myip=<a>
  interval maximum 1 0 0 0
!
interface Dialer1
  ip ddns update hostname domain.ath.cx
  ip ddns update domain_ddns
!

Couple of things to note, I had to clear the dialer to get it to update and updates were a bit flakey till I added 'interval maximum 1 0 0 0'.


On 31/05/2011 4:59 AM, ccie wrote:
> Debug ip ddns update
>
> !Nothing
Unfortunately I can't help you with debug on this, worked first time for me.
> ip ddns update method mytest
>
> HTTP
>
>    add http://xxxxx:xxxx@members.dyndns.org/nic/update?system=dyndns
> <http://xxxxx:xxxx@members.dyndns.org/nic/update?system=dyndns&hostname=%3ch
> %3e&myip=%3ca>  &hostname=<h>&myip=<a>
>
> interval maximum 1 0 0 0
>
>
I am not sure if your client or mine has added some extra characters to 
that add http line but it doesn't look right.

Regards,
James.
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