[AusNOG] DHCP going astray on NBN tails

[Craig Askings]

I hope this fixes the same problem I've been having with DHCP ipv6 prefix delegation 

> On 28 Jan 2016, at 2:46 PM, Matt Carter <matt.carter at iseek.com.au> wrote:
> 
> Hi All,
> Some good news!!
> Our friends at nbn™ and Alcatel Lucent (Nokia) have identified a NTD software defect responsible for this issue and will be rolling out a fix !
>  
> To re-iterate the issue at hand ;
> Where a branch site CPE (Vendor agnostic) attached to an NBN tail is configured for DHCP IP helper back to a central site the functionality does not work.  
>  
> Specifically;
> * The DHCP DISCOVER is correctly forwarded by the CPE to the NTD UNI-D port, received by BNG at the head end and forwarded onwards to the central DHCP server.
> * The central DHCP server responds with an OFFER, the OFFER is pushed to the NBN NNI by the BNG for the appropriate AVC but the OFFER never pops out at the NTD UNI-D port facing the CPE.
> * The loss of DHCP OFFER occurs even when the DHCP packet is encapsulated in another intermediate protocol such as PPPoE..
>  
> Resolution ;
> A new revision of firmware has been tested successfully and the information I have at hand suggests a national rollout will begin around Feb 8.
> This update process should be completed by mid Feb all things going to plan.
> 
> Happy days.
>  
> Matt Carter
> Senior Network Engineer
> 
> Phone: 1300 661 668   |   Fax: 1300 661 540
> Email: matt.carter at iseek.com.au <mailto:matt.carter at iseek.com.au>   |   Web: http://www.iseek.com.au <http://www.iseek.com.au/>
> Address: Level 4, 60 Edward Street, Brisbane QLD 4000   |   PO Box 15087, City East QLD 4002
>  
> NB: iseek HQ has moved to Brisbane CBD. Effective 2 February 2015
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