Re: [CentOS-virt] Issues with routing IPv6 to KVM Guests

2012-09-20 Thread David Hackl
Hi Joe, strange thing but after setting multicast_router once to 2, ipv6 worked on all vnet devices. I also restarted the node and the vms and it is still working. Seems like this fixes the problem Thanks for you help! David Am 20.09.2012 01:39, schrieb Joe Pruett: > On 09/19/2012 04:29

Re: [CentOS-virt] Issues with routing IPv6 to KVM Guests

2012-09-19 Thread Joe Pruett
On 09/19/2012 04:29 PM, Joe Pruett wrote: > On 09/14/2012 03:16 PM, David Hackl wrote: >> IPv6 is enabled. As I said, it works good on the node itself. I can ping >> it and also ping out of it. >> > > this is a really annoying bug in the linux bridge code. ipv6 neighbor > discovery relies on mult

Re: [CentOS-virt] Issues with routing IPv6 to KVM Guests

2012-09-19 Thread Joe Pruett
On 09/14/2012 03:16 PM, David Hackl wrote: > IPv6 is enabled. As I said, it works good on the node itself. I can ping > it and also ping out of it. > this is a really annoying bug in the linux bridge code. ipv6 neighbor discovery relies on multicast, and the bridge code tries to optimize multic

Re: [CentOS-virt] Issues with routing IPv6 to KVM Guests

2012-09-14 Thread David Hackl
IPv6 is enabled. As I said, it works good on the node itself. I can ping it and also ping out of it. The link just shows an apache configuration with ipv6 and some basic ipv6 configuration I already did. And fpaste is an fedora related page and the binary is also available in centos repo to ea

Re: [CentOS-virt] Issues with routing IPv6 to KVM Guests

2012-09-14 Thread Always Learning
On Sat, 2012-09-15 at 00:02 +0200, David Hackl wrote: > Well, the problem is that there is no IPv6 connection at all. I set up > the IPv6 adresses in the guests. They also appear with ip addr. I haven't done much Virtual Hosts yet but: (1) how have you enabled IP6 ? Is this useful (2) http:

Re: [CentOS-virt] Issues with routing IPv6 to KVM Guests

2012-09-14 Thread David Hackl
Sorry Paul Well, the problem is that there is no IPv6 connection at all. I set up the IPv6 adresses in the guests. They also appear with ip addr. When I try to ping6 the guest, I get "Destination unreachable: Address unreachable" Pinging an IPv6 Host out of the guests also doesn't work. H

Re: [CentOS-virt] Issues with routing IPv6 to KVM Guests

2012-09-14 Thread Always Learning
On Fri, 2012-09-14 at 22:41 +0200, David Hackl wrote: > I have some issues with routing ipv6 to my kvm guests. I use a bridge > interface with bridge-utils like recommended in the most howtos. > > Bridge conf: http://fpaste.org/hh9U/ > ip -6 route show output: http://fpaste.org/c5Rd/ > sysctl.c

[CentOS-virt] Issues with routing IPv6 to KVM Guests

2012-09-14 Thread David Hackl
Hi People, I have some issues with routing ipv6 to my kvm guests. I use a bridge interface with bridge-utils like recommended in the most howtos. Bridge conf: http://fpaste.org/hh9U/ ip -6 route show output: http://fpaste.org/c5Rd/ sysctl.conf: http://fpaste.org/oMjD/ Thanks for your help in ad