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.
FLET'H
luci-proto-fleth(formerly luci-app-fleth)
Automatic IPv4 over IPv6 setup for OpenWrt
Make network setup simple.
Install
Not sure what to do?Read the docs firstJoin the Discord community
FLETH // SYSTEM CAPABILITIES
Features
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.
NETWORK // COMPATIBILITY MATRIX
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.
DEPLOY // OPENWRTInstall
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
ipk (OpenWrt 24.10-)
mkdir -p /etc/opkg/keys
wget -O /etc/opkg/keys/064499bbef2b4ee5 https://dl.fleth.link/opkg/all/064499bbef2b4ee5
echo 'src/gz fleth https://dl.fleth.link/opkg/all' >> /etc/opkg/customfeeds.conf
opkg update
opkg install 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.
LUCI // FIELD VIEW