L2TP Client: OpenWRT - AAISP Support Site
support.aa.net.uk › L2TP_Client:_OpenWRTThough this shows as a separate interface in OpenWRT-land, they'll both assign addresses to the same underlying interface, 'l2tp-aaisp'. config interface 'aaisp6' option proto 'dhcpv6' option reqprefix '48' option peerdns '0' option _orig_ifname 'aaisp' option _orig_bridge 'false' option ifname 'l2tp-aaisp' option reqaddress 'force'
OpenWrt Forum Archive
https://forum.archive.openwrt.org/viewtopic.php?id=6871728.11.2016 · L2tp works normally over encrypted udp. For l2tpd its transparent. l2tp provides tunneling. l2tp knows nothing about ipsec. So there're 2 independend configs. One ipsec, one l2tpd. You can still use luci to configure l2tp but there's no luci module for strongswan. Still you can use uci configs for strongswan
[OpenWrt Wiki] Libreswan L2TP/IPsec
openwrt.org › docs › guide-userSep 27, 2021 · Libreswan L2TP/IPsec. This how-to explains how to configure an openwrt router to act as an L2TP/IPsec gateway (vpn server) using xl2tpd (for L2TP) and Libreswan (for IPsec). The new strongSwan documentation is currently missing an L2TP/IPsec page. Use this one as a reference for the xl2tpd part.