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#!/bin/sh
tty=$2
ipparam=$6
# Only applicable for Wireless Modems (WWAN)
if [ -z "$(echo $tty | egrep "tty(USB|ACM)")" ]; then
exit 0
fi
# device name and metric are received using ipparam
device=`echo "$ipparam"|awk '{ print $1 }'`
metric=`echo "$ipparam"|awk '{ print $2 }'`
# Determine if we are enslaved to a VRF, this is needed to properly insert
# the backup default route
if [ -d /sys/class/net/${device}/upper_* ]; then
# Determine upper (VRF) interface
VRF=$(basename $(ls -d /sys/class/net/wlm0/upper_*))
# Remove upper_ prefix from result string
VRF=${VRF#"upper_"}
# Configure VRF default route
vtysh -c "conf t" -c "vrf $VRF" -c "ip route 0.0.0.0/0 ${device} ${metric}"
else
# No VRF, use default routing table
vtysh -c "conf t" -c "ip route 0.0.0.0/0 ${device} ${metric}"
fi
DIALER_PID=$(cat /var/run/${device}.pid)
logger -t pppd[$DIALER_PID] "added default route via $device metric $metric"
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