Re: IPv6 Stateless autoconfiguration

["Ye, Ting" <ting.ye@intel.com>]

Hi Naveen,

Yes, EDKII supports IPv6 stateless address autoconfiguration defined in RFC4862.  It includes two parts:
- generating link-local address
- generating global address via stateless address autoconfiguration.

The later part requires an IPv6 router to send Router Advertisement with valid prefix information options periodically to UEFI client.

In EDKII, we can't assume that the network environment has an IPv6 router correctly configured and an IPv6 stateless address is available. 
And both HTTP boot and PXE boot over IPv6 stack defined in UEFI spec include a step that getting IPv6 address and other DHCP options from DHCP server.
So, current implementation gets IPv6 address from DHCPv6 service.

Thanks,
Ting 


-----Original Message-----
From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Santhapur Naveen
Sent: Friday, June 30, 2017 1:46 PM
To: edk2-devel@lists.01.org
Subject: [edk2] IPv6 Stateless autoconfiguration

Hello all,

I have some queries for which the answers are needed from the experts here. Please help in answering them.

Does edk2 support IPv6 stateless address autoconfiguration as mentioned in RFC4862.
If yes, then why do we have to configure the dhcpv6 service in such a way that it provides IPv6 address also for HTTPv6/PXEv6 boot?

Thank you
Naveen
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