On 10/29/2015 08:32 PM, Maxim Perevedentsev wrote:
On 10/29/2015 12:47 PM, Luyao Huang wrote:
If DAD not finished in 5 seconds, user will get an
unknown error like this:
# virsh net-start ipv6
error: Failed to start network ipv6
error: An error occurred, but the cause is unknown
Call virReportError to set an error.
Signed-off-by: Luyao Huang <lhuang@xxxxxxxxxx>
---
I found the DAD will take 7 seconds
on my machine, and i cannot create a network which
use ipv6 now :( . Can we offer a way allow user to change this
timeout ? maybe add a configuration file option in
libvirtd.conf.
Could you please send the related records of your sysctl -a?
Max DAD timeout should be
rand() % net.ipv6.conf.default.router_solicitation_delay +
net.ipv6.conf.default.dad_transmits *
net.ipv6.neigh.default.retrans_time_ms
I wonder whether my calculations were faulty or it is your specific
configuration.
I haven't change them before, and they are:
net.ipv6.conf.default.router_solicitation_delay = 1
net.ipv6.conf.default.dad_transmits = 1
net.ipv6.neigh.default.retrans_time_ms = 1000
Thanks your quick reply.
Luyao
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