From b614536b6f450d1b83166d93d446b12b1061fc6f Mon Sep 17 00:00:00 2001
From: Zeno Zeng <zenoofzeng@gmail.com>
Date: Wed, 1 Oct 2014 04:10:17 +0800
Subject: [PATCH] flush lns, fixes #39

---
 README.md      |  8 ++++++++
 build/build.sh |  2 +-
 lib/route.sh   | 10 ++++++++++
 lib/xl2tpd.sh  |  3 +--
 4 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 87a0c0b..245dfa1 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,14 @@ cd zjunet
 sudo ./install.sh
 ```
 
+## Known Issues
+
+### ppp0 may disappear on openwrt
+
+make /etc/ppp/options's lcp-echo-failure larger.
+
+see also https://github.com/QSCTech/zjunet/issues/39
+
 ## Openwrt
 
 Install xl2tpd:
diff --git a/build/build.sh b/build/build.sh
index c2a7424..186b284 100755
--- a/build/build.sh
+++ b/build/build.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-VERSION=0.1.0-8
+VERSION=0.1.0-17
 
 cd debian
 ./build.sh $VERSION > /dev/null
diff --git a/lib/route.sh b/lib/route.sh
index f99636c..3e8bb99 100755
--- a/lib/route.sh
+++ b/lib/route.sh
@@ -56,6 +56,15 @@ if [ "${devs_count}" -eq "0" ]; then
     return
 fi
 
+flush() {
+    # see also: https://github.com/QSCTech/zjunet/issues/39
+    ip route flush 10.5.1.5
+    ip route flush 10.5.1.7
+    ip route flush 10.5.1.9
+}
+
+flush
+
 ip route replace 10.5.1.0/24 via $gateway # for LNS
 ip route replace 10.10.0.0/24 via $gateway # for DNS
 
@@ -113,3 +122,4 @@ esac
 $cmd
 ip route
 
+ip route
diff --git a/lib/xl2tpd.sh b/lib/xl2tpd.sh
index aa5458e..cabf566 100755
--- a/lib/xl2tpd.sh
+++ b/lib/xl2tpd.sh
@@ -123,7 +123,7 @@ connect() {
 
     prev_count=$(ip addr show | grep 'inet.*ppp' | grep ' 10.5.' | wc -l)
 
-    for i in $(seq 0 120); do
+    for i in $(seq 0 10000); do
 
         tail $PPP_LOG_FILE
         tail $PPP_LOG_FILE >> $LOG_FILE
@@ -144,7 +144,6 @@ connect() {
             return
         fi
 
-        sleep 1
     done
 
     echo "Fail to bring up ppp, timeout."