A jelenség: nem lehet PPTP VPN kapcsolatot létesíteni a Chaos Calmer-t futtató routeren keresztül.
A megoldás: A korábbi verziókban a "kmod-ipt-nathelper-extra" csomag oldotta meg a problémát, de ez a csomag deprecated lett. Helyette a "kmod-nf-nathelper-extra" csinálja a trükköt.
root@OpenWrt:~# opkg update
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/base/Packages.gz.
Updated list of available packages in /var/opkg-lists/chaos_calmer_base.
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/base/Packages.sig.
Signature check passed.
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/luci/Packages.gz.
Updated list of available packages in /var/opkg-lists/chaos_calmer_luci.
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/luci/Packages.sig.
Signature check passed.
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/Packages.gz.
Updated list of available packages in /var/opkg-lists/chaos_calmer_packages.
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/Packages.sig.
Signature check passed.
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/routing/Packages.gz.
Updated list of available packages in /var/opkg-lists/chaos_calmer_routing.
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/routing/Packages.sig.
Signature check passed.
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/telephony/Packages.gz.
Updated list of available packages in /var/opkg-lists/chaos_calmer_telephony.
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/telephony/Packages.sig.
Signature check passed.
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/management/Packages.gz.
Updated list of available packages in /var/opkg-lists/chaos_calmer_management.
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/management/Packages.sig.
Signature check passed.
root@OpenWrt:~# opkg install kmod-nf-nathelper-extra
Installing kmod-nf-nathelper-extra (3.18.20-1) to root...
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/base/kmod-nf-nathelper-
extra_3.18.20-1_ar71xx.ipk.
Installing kmod-lib-textsearch (3.18.20-1) to root...
Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/base/kmod-
lib-textsearch_3.18.20-1_ar71xx.ipk.
Configuring kmod-lib-textsearch.
Configuring kmod-nf-nathelper-extra.
\o/