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buffalo dd-wrt config notes

There isn't enough flash space, so connect USB pen drive.

Enable USB support: 

"Services", "USB", enable "Core USB support and "USB Storage Support", "Automatic Drive Mount" to /jffs.

(May require JFFS2 support enabled first, in "Administration", "Management")

Hit "Apply". If router didn't crash, hit save.

remove "--passive-port" from ipkg (copy ipkg to /jffs, edit with sed or whatever)

cd /jffs
./ipkg -d / -o /jffs update
./ipkg -d / -o /jffs install ntpclient   # ignore warning about sort not found.
./ipkg -d / -o /jffs install aiccu

Enable IPV6. "Administration" -> "Management" (blergh, terrible navigation)

IPv6: Enabled
Radvd enabled: Enabled  (lol, terrible option name)

Apply, Save, then Apply again, then maybe wait and Apply again, and even reboot. The goal is to run "aiccu" without it complaining "No IPv6 Stack found! Please check your kernel and module configuration".

No insmod or command-line commands are required to enable IPv6. The web GUI method should work, just wait enough or hit "apply" enough times.

AICCU config

cat <<EOF> /jffs/etc/aiccu.conf

# AICCU Configuration

# Login information
username YJX1-SIXXS
password <removed>

# Interface names to use
#ipv4_interface eth0
ipv6_interface sixxs

protocol tic

# The tunnel_id to use
# (only required when there are multiple tunnels in the list)
#tunnel_id Txxxx

# Be verbose?
verbose false

# Daemonize?
daemonize true

# Automatic?
automatic true

If it doesn't work, add "daemonize false" to /jffs/etc/aiccu.conf to see whats up.

# aiccu start etc/aiccu.conf 
The clock is off by 3600 seconds, use NTP to sync it!
Couldn't retrieve first tunnel for the above reason, aborting


starts fine now.

sed -e 's/daemonize false/daemonize true/g' -i etc/

# ping6
PING (2a00:1450:4001:c01::6a): 56 data bytes
64 bytes from 2a00:1450:4001:c01::6a: seq=0 ttl=55 time=19.673 ms
64 bytes from 2a00:1450:4001:c01::6a: seq=1 ttl=55 time=21.078 ms
64 bytes from 2a00:1450:4001:c01::6a: seq=2 ttl=55 time=20.836 ms

Per the dd-wrt page below, config the startup script for the tunnel. Just change the config path for the "aiccu stop" command. Also, the name of the file in my case should end with ".wanup" since ".ipup" is for PPP interfaces.

cat <EOF> /jffs/etc/config/sixxs.wanup

 export PATH=$PATH:/jffs/usr/sbin
 # wait until time is synced
 while [ `date +%Y` -eq 1970 ]; do
       sleep 5 
 # check if aiccu is already running
 if [ -n "`ps|grep etc/aiccu|grep -v grep`" ]; then
       aiccu stop /jffs/etc/aiccu.conf
       sleep 1
       killall aiccu
 # start aiccu
 sleep 3
 aiccu start /jffs/etc/aiccu.conf

chmod a+x /jffs/etc/aiccu.conf

Reboot to ensure this will work next-time without intervention.

ip -6 addr add 2001:1620:fb7::1/64 dev br0
ip -6 addr route 2001:1620:fb7/64 dev br0

Set in the dd-wrt interface, radvd config:

 interface br0
 AdvSendAdvert on;
 prefix 2001:1620:fb7::/64

Use rdisc6 in debian to see if the RA stuff is working.

In my case, I fixed it by doing sysctl -w net.ipv6.conf.wlan0.accept_ra=1.

Optional: DNS via RDNSS