[AusNOG] NBN - IINET weird

[John Lindsay]

IiNet have a sad DHCP system that will only hand one IP address to the first MAC address it sees. If another appears it will not hand out an address until the lease expires on the first one. The behavior you see is the improvement after they reduced the lease time. 

You can but live in hope their new owner will put some priority on shifting this function to a platform that isn't broken by design. 

John Lindsay

> On 14 Oct 2015, at 9:41 AM, Dino Sosic <Dino.Sosic at datacom.com.au> wrote:
> 
> Hi,
>  
> Following my question about NBN and how they handle the public IP DHCP reservations I actually found other people have the same problem as me.
> 
> http://forums.whirlpool.net.au/archive/2172809
> 
> I have a Cisco 2911 sitting on IINET NBN connected to UNI-D 4 and DHCP lease is so random. At some points I would not get a public IP for 1-2 hours, even after reloading the equipment. 
> 
> Nothing fancy on the interface, it’s a routed interface with ip address dhcp. Interface is UP/UP, duplex and speed negotiated correctly ( but even hardcoding this does not help ). Interface just keeps reporting no DHCP available and I see 0 input packets lol.  Interestingly if I plug a laptop in, it comes straight up. However does not work with 2 different Cisco routers. What is going on? Any experience?
>  
> Cheers
> Dino
>  
>  
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