On this install I just created one large root partition and a small swap partiton.
ltp$ ls /etc
X11 fstab moduli pkgpath.conf security.conf
atf ftpchroot monthly postfix services
auto_master ftpusers monthly.conf powerd shells
autofs gettytab motd printcap shrc
bluetooth gpio.conf mrouted.conf profile skel
bootptab group mtree protocols skeykeys
cgd hosts named.conf pwd.db sliphome
changelist hosts.equiv namedb racoon spwd.db
csh.cshrc hosts.lpd netconfig rbootd.conf ssh
csh.login ifconfig.iwn0 networks rc sysctl.conf
csh.logout inetd.conf newsyslog.conf rc.conf syslog.conf
daily iscsi npf.conf rc.conf.d ttyaction
daily.conf kerberosV nsd rc.d ttys
defaults kyua nsswitch.conf rc.local unbound
dhcpcd.conf localtime ntp.conf rc.shutdown usermgmt.conf
disktab locate.conf openldap rc.subr weekly
dm.conf login.conf openssl release weekly.conf
drirc mail pam.d remote wpa_supplicant.conf
dumpdates mail.rc passwd resolv.conf wscons.conf
entropy-file mailer.conf passwd.conf rmt zfs
envsys.conf man.conf pf.conf rpc
floppytab master.passwd pf.os saslc.d
fonts mk.conf phones security
rc.conf:
# $NetBSD: rc.conf,v 1.97 2014/07/14 12:29:48 mbalmer Exp $
#
# See rc.conf(5) for more information.
#
# Use program=YES to enable program, NO to disable it. program_flags are
# passed to the program on the command line.
#
# Load the defaults in from /etc/defaults/rc.conf (if it's readable).
# These can be overridden below.
#
if [ -r /etc/defaults/rc.conf ]; then
. /etc/defaults/rc.conf
fi
# If this is not set to YES, the system will drop into single-user mode.
#
rc_configured=YES
critical_filesystems_local="OPTIONAL:/var OPTIONAL:/usr"
# Add local overrides below.
#
hostname=ltp
random_file=/etc/entropy-file
securelevel=1
microcode=YES
rtclocaltime=YES
rpcbind=YES
dbus=YES
famd=YES
wpa_supplicant=YES
wpa_supplicant_flags="-B -D bsd -i iwn0 -c /etc/wpa_supplicant.conf"
dhcpcd=YES
dhcpcd_flags="-qM iwn0 -b"
npf=NO
wscons=YES
sshd=NO
raidframe=NO
postfix=NO
and fyi, I'm pretty sure my router is IPv6 capable, its a Linksys WRT32X