IPv6 over GRE over IPv4 should work but GRE over IPv6 is not supported.
On Wed, Nov 12, 2014 at 4:18 AM, Arnold Bechtoldt <m...@arnoldbechtoldt.com> wrote: > Is there IPv6 support with GRE available at all? > > > Arnold > > -- > Arnold Bechtoldt > > Karlsruhe, Germany > > On 11.11.14 21:57, Arnold Bechtoldt wrote: >> Dear list, >> >> I need to setup IPv6 connectivity in a OpenNebula setup using OVS >> 2.1.2-1 (via datapath-dkms) on Debian wheezy systems. >> >> There are three compute nodes connected via GRE tunnels to each other to >> provide inter-host connectivity for virtual machines attached to bridges >> with 802.1Q VLANs. >> >> This works great for IPv4. And for IPv6 on L2 bridges routed via ISP's >> IPv6 default gateway, too. >> >> Unfortunately hosts can't communicate each other via IPv6 in a vlan. >> Which steps are necessary to get them together? Can I use existing IPv4 >> GRE tunnel(s) to encapsulate IPv6 traffic? Do I need dedicated IPv6 GRE >> tunnels? Can I find more documentation regarding Open vSwitch, GRE and >> IPv6 on the Net? >> >> Thank you in advance! >> >> >> Arnold >> >> >> ========== >> # uname -a >> Linux hpm1000 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2+deb7u1 x86_64 GNU/Linux >> >> >> # ovs-vsctl show >> Bridge "br0" >> Port "vnet52" >> Interface "vnet52" >> ... >> Port "eth0" >> Interface "eth0" >> Port "br0" >> Interface "br0" >> type: internal >> Bridge "br1" >> Port "vnet40" >> tag: 11 >> Interface "vnet40" >> Port "vnet3" >> tag: 10 >> Interface "vnet3" >> ... >> Port "gre2" >> Interface "gre2" >> type: gre >> options: {remote_ip="172.16.0.13"} >> Port "br1" >> Interface "br1" >> type: internal >> Port "vif0" >> tag: 10 >> Interface "vif0" >> type: internal >> >> Port "gre1" >> Interface "gre1" >> type: gre >> options: {remote_ip="172.16.0.12"} >> Bridge "br2" >> Port "eth1" >> Interface "eth1" >> Port "br2" >> Interface "br2" >> type: internal >> ovs_version: "2.1.2" >> >> >> # ip l | grep eth1 >> 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 qdisc mq state UP >> mode DEFAULT qlen 1000 >> ========== >> >> >> >> >> _______________________________________________ >> discuss mailing list >> discuss@openvswitch.org >> http://openvswitch.org/mailman/listinfo/discuss >> > > _______________________________________________ > discuss mailing list > discuss@openvswitch.org > http://openvswitch.org/mailman/listinfo/discuss > _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss