If an IPv6 Link Layer Address is missing from an interface,
treat it as a down interface. While this fails to send a
VRRP multicast group join, it also prevents a seg fault.
Type: fix
Fixes:
39e9428b90bc74d1bb15fc17759c8ef6ad712418
Signed-off-by: Jon Loeliger <jdl@netgate.com>
Change-Id: Iebf69bb30604a96de6587655eb872aa818158a56
if (!vnet_sw_interface_is_up (vnm, vr->config.sw_if_index))
return 0;
+ is_ipv6 = vrrp_vr_is_ipv6 (vr);
+
+ if (is_ipv6 && ip6_link_is_enabled (vr->config.sw_if_index) == 0)
+ return 0;
+
if (vlib_buffer_alloc (vm, &bi, n_buffers) != n_buffers)
{
clib_warning ("Buffer allocation failed for %U", format_vrrp_vr_key,
return -1;
}
- is_ipv6 = vrrp_vr_is_ipv6 (vr);
-
b = vlib_get_buffer (vm, bi);
b->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED;