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-rw-r--r--mcp/scripts/lib.sh11
1 files changed, 7 insertions, 4 deletions
diff --git a/mcp/scripts/lib.sh b/mcp/scripts/lib.sh
index 365330db3..6bbcb44d7 100644
--- a/mcp/scripts/lib.sh
+++ b/mcp/scripts/lib.sh
@@ -460,8 +460,11 @@ function wait_for {
function do_sysctl_cfg {
local _conf='/etc/sysctl.d/99-opnfv-fuel-bridge.conf'
# https://wiki.libvirt.org/page/Net.bridge.bridge-nf-call_and_sysctl.conf
- echo 'net.bridge.bridge-nf-call-arptables = 0' |& sudo tee "${_conf}"
- echo 'net.bridge.bridge-nf-call-iptables = 0' |& sudo tee -a "${_conf}"
- echo 'net.bridge.bridge-nf-call-ip6tables = 0' |& sudo tee -a "${_conf}"
- sudo sysctl -q -p "${_conf}"
+ if modprobe br_netfilter bridge; then
+ echo 'net.bridge.bridge-nf-call-arptables = 0' |& sudo tee "${_conf}"
+ echo 'net.bridge.bridge-nf-call-iptables = 0' |& sudo tee -a "${_conf}"
+ echo 'net.bridge.bridge-nf-call-ip6tables = 0' |& sudo tee -a "${_conf}"
+ # Some distros / sysadmins explicitly blacklist br_netfilter
+ sudo sysctl -q -p "${_conf}" || true
+ fi
}