I have no RA route set. I will try, Thank you very much! Best Regards, Yalan Zhang IRC: yalzhang Internal phone: 8389413
On Wed, May 10, 2017 at 3:34 PM, Cedric Bosdonnat <cbosdon...@suse.com> wrote: > On Wed, 2017-05-10 at 13:30 +0800, Yalan Zhang wrote: > > I'm sorry that I missed the mail. > > 没关系 > > > But currently I can not reproduce it. > > For the error by net-create, it is executed when I set accept_ra to 1. > > That sounds more normal. net-create and net-start are triggering the > same code in the end. > > > I have just test on libvirt-3.2.0-4.el7.x86_64, the behavior changes, it > seems like there is no check for accept_ra > > before start a network with ipv6. > > > > 1. define and start a network with ipv6 settings > > # virsh net-dumpxml default6 > > <network> > > <name>default6</name> > > <uuid>c502d02c-fbd0-49d9-91e4-0fcf0ef159d0</uuid> > > <forward mode='nat'/> > > <bridge name='virbr4' stp='on' delay='0'/> > > <mac address='52:54:00:04:d5:3c'/> > > <ip address='192.168.10.1' netmask='255.255.255.0'> > > <dhcp> > > <range start='192.168.10.2' end='192.168.10.254'/> > > </dhcp> > > </ip> > > <ip family='ipv6' address='2001:db8:ca2:2::1' prefix='64'> > > <dhcp> > > <range start='2001:db8:ca2:2:1::10' end='2001:db8:ca2:2:1::ff'/> > > </dhcp> > > </ip> > > </network> > > > > # cat /proc/sys/net/ipv6/conf/enp0s25/accept_ra > > 1 > > > > # virsh net-start default6 =====> the network can start as well with > accept_ra=1 > > Network default6 started > > > > It seems that the "virNetDevIPGetAcceptRA()" in patch "network: check > accept_ra before enabling ipv6 forwarding" > > with commit 00d28a78 is not executed when I start a network. Please help > to check, Thank you. > > It won't complain at all if there is no RA route set on the host. > To reproduce, you need to setup a machine acting as an ipv6 router > with radvd on the guest network. > > Do you actually have an RA route for the enp0s25 device? You can check > it by running `ip -6 r`. These routes are indicated with 'proto ra' > > -- > Cedric >
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