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diff --git a/usr/share/rear/conf/default.conf b/usr/share/rear/conf/default.conf
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index 0c230f38..f231bf3d 100644
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--- a/usr/share/rear/conf/default.conf
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+++ b/usr/share/rear/conf/default.conf
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@@ -2707,6 +2707,15 @@ WARN_MISSING_VOL_ID=1
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USE_CFG2HTML=
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# The SKIP_CFG2HTML variable is no longer supported since ReaR 1.18
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+# IP addresses that are present on the system but must be excluded when
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+# building the network configuration used in recovery mode; this is typically
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+# used when floating IP addresses are used on the system
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+EXCLUDE_IP_ADDRESSES=()
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+
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+# Network interfaces that are present on the system but must be excluded when
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+# building the network configuration used in recovery mode
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+EXCLUDE_NETWORK_INTERFACES=()
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+
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# Simplify bonding setups by configuring always the first active device of a
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# bond, except when mode is 4 (IEEE 802.3ad policy)
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SIMPLIFY_BONDING=no
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diff --git a/usr/share/rear/rescue/GNU/Linux/310_network_devices.sh b/usr/share/rear/rescue/GNU/Linux/310_network_devices.sh
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index f806bfbf..2385f5b6 100644
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--- a/usr/share/rear/rescue/GNU/Linux/310_network_devices.sh
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+++ b/usr/share/rear/rescue/GNU/Linux/310_network_devices.sh
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@@ -355,6 +355,11 @@ function is_interface_up () {
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local network_interface=$1
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local sysfspath=/sys/class/net/$network_interface
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+ if IsInArray "$network_interface" "${EXCLUDE_NETWORK_INTERFACES[@]}"; then
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+ LogPrint "Excluding '$network_interface' per EXCLUDE_NETWORK_INTERFACES directive."
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+ return 1
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+ fi
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+
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local state=$( cat $sysfspath/operstate )
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if [ "$state" = "down" ] ; then
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return 1
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@@ -403,11 +408,19 @@ function ipaddr_setup () {
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if [ -n "$ipaddrs" ] ; then
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# If some IP is found for the network interface, then use them
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for ipaddr in $ipaddrs ; do
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+ if IsInArray "${ipaddr%%/*}" "${EXCLUDE_IP_ADDRESSES[@]}"; then
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+ LogPrint "Excluding IP address '$ipaddr' per EXCLUDE_IP_ADDRESSES directive even through it's defined in mapping file '$CONFIG_DIR/mappings/ip_addresses'."
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+ continue
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+ fi
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echo "ip addr add $ipaddr dev $mapped_as"
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done
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else
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# Otherwise, collect IP addresses for the network interface on the system
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for ipaddr in $( ip a show dev $network_interface scope global | grep "inet.*\ " | tr -s " " | cut -d " " -f 3 ) ; do
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+ if IsInArray "${ipaddr%%/*}" "${EXCLUDE_IP_ADDRESSES[@]}"; then
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+ LogPrint "Excluding IP address '$ipaddr' per EXCLUDE_IP_ADDRESSES directive."
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+ continue
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+ fi
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echo "ip addr add $ipaddr dev $mapped_as"
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done
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fi
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