Re: [PATCH v2 0/5] Prevent losing IPv6 routes due to forwarding

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Hi Cédric,

I have tested it, it works well. But the interface name will repeat 2 times.
Please help to confirm this, and if below test for a single port host is enough?

# cat /proc/sys/net/ipv6/conf/enp0s25/accept_ra
1

enable network default with ipv6 ip section

# virsh net-start default
error: Failed to start network default
error: internal error: Check the host setup: enabling IPv6 forwarding with RA routes without accept_ra set to 2 is likely to cause routes loss. Interfaces to look at: enp0s25, enp0s25

# echo 2 > /proc/sys/net/ipv6/conf/enp0s25/accept_ra

# virsh net-start default
Network default started

try create:

# virsh net-create default.xml
error: Failed to create network from default.xml
error: internal error: Check the host setup: enabling IPv6 forwarding with RA routes without accept_ra set to 2 is likely to cause routes loss. Interfaces to look at: enp0s25, enp0s25

On Wed, Mar 15, 2017 at 10:45 PM, Cédric Bosdonnat <cbosdonnat@xxxxxxxx> wrote:
Hi Laine, all,

Here is the v2 of my series. The changes are:

 * Add a commit to create a virNetDevGetName() function
 * Fix Laine's comments

Cédric Bosdonnat (5):
  util: extract the request sending code from virNetlinkCommand()
  util: add virNetlinkDumpCommand()
  bridge_driver.c: more uses of SYSCTL_PATH
  util: add virNetDevGetName() function
  network: check accept_ra before enabling ipv6 forwarding

 src/libvirt_private.syms    |   3 +
 src/network/bridge_driver.c |  25 ++++---
 src/util/virnetdev.c        |  19 ++++++
 src/util/virnetdev.h        |   2 +
 src/util/virnetdevip.c      | 158 ++++++++++++++++++++++++++++++++++++++++++++
 src/util/virnetdevip.h      |   1 +
 src/util/virnetlink.c       | 145 ++++++++++++++++++++++++++++++----------
 src/util/virnetlink.h       |   9 +++
 8 files changed, 319 insertions(+), 43 deletions(-)

--
2.11.0

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Best Regards,
Yalan Zhang
IRC: yalzhang
Internal phone: 8389413
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