IPv6 first hop

Hello everyone, on the weekend I start studying IPv6 first hop security
(Section 4.2.c of RSv5 blueprint)First command on the config guide, but it is
not there.
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipv6_fhsec/configuration/15-
mt/ip6f-15-mt-book/ip6-ra-guard.html
R1(config)#ipv6 nd ? cache Cache entry dad Duplicate
Address Detection nsf NSF nud NUD reachable-time
Set advertised reachability time resolution resolution route-owner
ND as route owner secured Configure IPv6 SEND default parameters

R1#show version | i Cisco IOS Software,Cisco IOS Software, 2800 Software
(C2800NM-ADVENTERPRISEK9-M), Version 15.1(4)M8, RELEASE SOFTWARE (fc2)
[Q]For this section, what do you guys recommend me to do? Or what version to
use?Thanks all

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Received on Mon Jun 09 2014 - 14:15:31 ART