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
> ==========
>
>
>
>
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>
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