From 552106b0fb27003e5e5be5494f2213f54a699b9e Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Sun, 29 Mar 2020 15:28:21 +0200
Subject: wwan: T1988: add missing support for backup default routes

---
 src/etc/ppp/ip-down.d/0020-wirelessmodem | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100755 src/etc/ppp/ip-down.d/0020-wirelessmodem

(limited to 'src/etc/ppp/ip-down.d')

diff --git a/src/etc/ppp/ip-down.d/0020-wirelessmodem b/src/etc/ppp/ip-down.d/0020-wirelessmodem
new file mode 100755
index 000000000..c93c7cabe
--- /dev/null
+++ b/src/etc/ppp/ip-down.d/0020-wirelessmodem
@@ -0,0 +1,18 @@
+#!/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 }'`
+
+vtysh -c "conf t" -c "no ip route 0.0.0.0/0 ${device} ${metric}"
+
+DIALER_PID=$(cat /var/run/${device}.pid)
+logger -t pppd[$DIALER_PID] "removed default route via $device metric $metric"
-- 
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