flethFLETH.LINK

FLET'H

luci-proto-fleth(formerly luci-app-fleth)

OpenWrt tool for Japanese IPv4 over IPv6 automatic setup

Make network setup simple.

Install

Not sure what to do?Read the docs first

Features

Supports major Japanese line types *

Integrates with OpenWrt netifd as a LuCI protocol and automates DS-Lite, MAP-E, IPIP6 static-IP, and related setups.

Automatic detection, minimal manual setup

Detects the ISP and obtains AFTR addresses or mapping rules automatically, so you do not need to fill protocol details by hand.

Status and tools in LuCI

Check runtime status, adjust basic settings, and run common diagnostic tools from LuCI.

Supported ISPs

DS-Lite

gw.transix.jp
  • BB.excite Hikari except Connect and 10Gbps MAP-E PLAN
  • en Hikari
  • IIJmio Hikari
  • Interlink ZOOT NATIVE
dgw.xpass.jp
  • BB.excite Connect
  • en Hikari
  • GameWith Hikari
  • Rakuten Hikari
  • Tigers-net
dslite.v6connect.net
  • ASAHI Net Hikari

MAP-E

BIGLOBE
  • BIGLOBE
  • Otegaru Hikari
  • BB.excite Hikari 10Gbps MAP-E PLAN
JPNE (v6plus)
  • DMM Hikari
  • GMO Tokutoku BB
  • en Hikari
  • ic-net Hikari course
  • Otegaru Hikari
  • So-net
  • Plala
  • 21ip.jp
OCN
  • OCN
NURO
  • NURO Hikari

Static IP

JPNE (v6plus)
  • en Hikari
SoftBank Hikari
  • 1Gbps
  • 10Gbps

Strikethrough = no longer accepting new users or service ended

* Service names and trademarks belong to their respective owners. This site is not affiliated with those companies.

apk (OpenWrt 25.12+)
wget -O /etc/apk/keys/fleth.pem https://dl.fleth.link/fleth.pem echo 'https://dl.fleth.link/apk/all/packages.adb' >> /etc/apk/repositories.d/customfeeds.list apk update apk add luci-proto-fleth

For LuCI-based setup, see the LuCI installation guide

Package feed: dl.fleth.link

If you are upgrading from the old luci-app-fleth, add the same feed first, then install the luci-app-fleth compatibility package.

Business network consultingFree first consultation, fair pricing

Support for business networks from LAN design and device selection to deployment and troubleshooting.

hello@fleth.linkContact by email
Known issue on OpenWrt 25.12: If wan6 cannot obtain IPv6, open Network -> Interfaces -> Global network options, clear Default DUID, then continue.

Sponsors

People and companies supporting fleth development.

Screenshots