The test fails to work if reverse-path filtering is in effect on the mirrored-to host interface, or for all interfaces.
Signed-off-by: Petr Machata <[email protected]> Reviewed-by: Ido Schimmel <[email protected]> --- tools/testing/selftests/net/forwarding/mirror_gre_nh.sh | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh b/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh index a0d1ad4..8fa681e 100755 --- a/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh +++ b/tools/testing/selftests/net/forwarding/mirror_gre_nh.sh @@ -29,6 +29,9 @@ setup_prepare() swp3=${NETIFS[p5]} h3=${NETIFS[p6]} + sysctl_set net.ipv4.conf.all.rp_filter 0 + sysctl_set net.ipv4.conf.$h3.rp_filter 0 + vrf_prepare mirror_gre_topo_create @@ -60,6 +63,9 @@ cleanup() mirror_gre_topo_destroy vrf_cleanup + + sysctl_restore net.ipv4.conf.$h3.rp_filter + sysctl_restore net.ipv4.conf.all.rp_filter } test_gretap() -- 2.4.11
