I have a remote server, configured with a working IPv6 address
ip -6 addr show dev eth0 | grep XYZW
inet6 2600:...:XYZW:...::1/64 scope global
I have a working IPv4 OpenVPN server config on this machine; it is up &
running, allowing a connection from my local client.
I want to configure the tunnel to provide IPv6 inside the tunnel,
https://community.openvpn.net/openvpn/wiki/IPv6#ProvidingIPv6insidethetunnel
I added to the existing config
tun-ipv6
push tun-ipv6
ifconfig-ipv6 2600:...:XYZW:...::1/64 2600:...:XYZW:...::2/64
When I (re)start the OpenVPN server, it fails with
Aug 18 13:36:41 test openvpn[19239]: Options error: ifconfig-ipv6 parms
'2600:...:XYZW:...::1/64' and '2600:...:XYZW:...::2/64' must be valid addresses
Aug 18 13:36:41 test openvpn[19239]: Use --help for more information.
What's 'invalid' to openvpn about those valid IPs?
This is with
openvpn --version
OpenVPN 2.3_git [git:master/291c227d2ccecaa9]
x86_64-suse-linux-gnu [SSL (OpenSSL)] [LZO] [SNAPPY] [LZ4] [EPOLL] [MH] [IPv6]
built on Aug 10 2015
library versions: OpenSSL 1.0.2d 9 Jul 2015, LZO 2.08
Originally developed by James Yonan
Copyright (C) 2002-2010 OpenVPN Technologies, Inc.
<sa...@openvpn.net>
Compile time defines: enable_comp_stub=no enable_crypto=yes
enable_crypto_ofb_cfb=yes enable_debug=yes enable_def_auth=yes
enable_dlopen=unknown enable_dlopen_self=unknown
enable_dlopen_self_static=unknown enable_fast_install=needless
enable_fragment=yes enable_iproute2=yes enable_libtool_lock=yes enable_lz4=yes
enable_lzo=yes enable_management=yes enable_multi=yes enable_multihome=yes
enable_pam_dlopen=no enable_password_save=no enable_pedantic=no enable_pf=yes
enable_pkcs11=no enable_plugin_auth_pam=yes enable_plugin_down_root=yes
enable_plugins=yes enable_port_share=yes enable_selinux=no enable_server=yes
enable_shared=yes enable_shared_with_static_runtimes=no enable_small=no
enable_snappy=yes enable_static=no enable_strict=no enable_strict_options=no
enable_systemd=yes enable_werror=no enable_win32_dll=yes
enable_x509_alt_username=yes with_aix_soname=aix with_crypto_library=openssl
with_gnu_ld=yes with_mem_check=no with_plugindir='$(libdir)/openvpn/plugins'
with_sysroot=no
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