DynamicDNS and OpenWRT, was re: DHCP question

Arfst Braren Arfst.Braren at heidelberg.com
Wed Mar 21 00:02:22 PDT 2007


DynDNS is not DynamicDNS

DynamicDNS is a protocol between the DHCP and the DNS on the router that
updates the DNS when an  IP address is assigned by the DHCP.
I was wondering if that is possibel with an open firmware for a home router.



Am 3/20/07 6:45 PM schrieb "Chris Murphy" unter <lists at colorremedies.com>:

> 
> On Mar 14, 2007, at 5:12 AM, Arfst Braren wrote:
> 
> 
>> Has anyone experience with DynamicDNS and OpenWRT ?
> 
> Yeah, I have a linksys router, WRT54G running DD-WRT v23 SP2
> (09/15/06) vpn which directly supports (among others) DynDNS.org.
> 
> So far it hasn't needed to update its IP address because in just over
> one month Comcast still is assigning the same IP address to the
> router. But DD-WRT is logging events for updating, indicating it
> knows its IP address is the same and doesn't need to send an update
> to DynDNS.org.
> 
> I suppose I could change the MAC address on the WAN port of the
> router and then reboot router and modem to get a new IP address, and
> see how long it takes for DynDNS to update. I'd guess few hours to a
> day...
> 
> 
> 
> 
> Chris Murphy
> Color Remedies (TM)
> New York, NY
> ----------------------------------------------------------------------
> Co-author "Real World Color Management, 2nd Ed"
> 
> 



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