[lxc-devel] [lxc/master] Configure a static MAC address on the LXC bridge

[ccope on Github]

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From e5254cef12eca4eaff63b6f657726a94c2265845 Mon Sep 17 00:00:00 2001
From: Cam Cope <cam at dropbox.com>
Date: Tue, 22 Nov 2016 12:58:49 -0800
Subject: [PATCH] Configure a static MAC address on the LXC bridge

---
 config/init/common/lxc-net.in | 2 ++
 lxc.spec.in                   | 1 +
 2 files changed, 3 insertions(+)

diff --git a/config/init/common/lxc-net.in b/config/init/common/lxc-net.in
index d457e78..7c6d293 100644
--- a/config/init/common/lxc-net.in
+++ b/config/init/common/lxc-net.in
@@ -9,6 +9,7 @@ varlib="@LOCALSTATEDIR@/lib"
 
 USE_LXC_BRIDGE="true"
 LXC_BRIDGE="lxcbr0"
+LXC_BRIDGE_MAC="fe:7f:01:00:00:00"
 LXC_ADDR="10.0.3.1"
 LXC_NETMASK="255.255.255.0"
 LXC_NETWORK="10.0.3.0/24"
@@ -45,6 +46,7 @@ ifup() {
     MASK=`_netmask2cidr ${LXC_NETMASK}`
     CIDR_ADDR="${LXC_ADDR}/${MASK}"
     ip addr add ${CIDR_ADDR} dev $1
+    ip link set dev $1 address $LXC_BRIDGE_MAC
     ip link set dev $1 up
 }
 
diff --git a/lxc.spec.in b/lxc.spec.in
index 94a9504..f56d1cb 100644
--- a/lxc.spec.in
+++ b/lxc.spec.in
@@ -196,6 +196,7 @@ USE_LXC_BRIDGE="true"
 # If you have the dnsmasq daemon installed, you'll also have to update
 # /etc/dnsmasq.d/lxc and restart the system wide dnsmasq daemon.
 LXC_BRIDGE="lxcbr0"
+LXC_BRIDGE_MAC="fe:7f:01:00:00:00"
 LXC_ADDR="$SUBNET.1"
 LXC_NETMASK="255.255.255.0"
 LXC_NETWORK="$SUBNET.0/24"