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-rwxr-xr-xexamples/udhcp/sample.renew11
1 files changed, 9 insertions, 2 deletions
diff --git a/examples/udhcp/sample.renew b/examples/udhcp/sample.renew
index 4dce8486a..efd98cf15 100755
--- a/examples/udhcp/sample.renew
+++ b/examples/udhcp/sample.renew
@@ -1,5 +1,5 @@
1#!/bin/sh 1#!/bin/sh
2# Sample udhcpc bound script 2# Sample udhcpc renew script
3 3
4RESOLV_CONF="/etc/udhcpc/resolv.conf" 4RESOLV_CONF="/etc/udhcpc/resolv.conf"
5 5
@@ -18,11 +18,18 @@ then
18 metric=0 18 metric=0
19 for i in $router 19 for i in $router
20 do 20 do
21 if [ "$subnet" = "255.255.255.255" ]; then
22 # special case for /32 subnets:
23 # /32 instructs kernel to always use routing for all outgoing packets
24 # (they can never be sent to local subnet - there is no local subnet for /32).
25 # Used in datacenters, avoids the need for private ip-addresses between two hops.
26 /sbin/ip route add $i dev $interface
27 fi
21 /sbin/route add default gw $i dev $interface metric $((metric++)) 28 /sbin/route add default gw $i dev $interface metric $((metric++))
22 done 29 done
23fi 30fi
24 31
25# Only replace resolv.conf is we have at least one DNS server 32# Only replace resolv.conf if we have at least one DNS server
26if [ -n "$dns" ] 33if [ -n "$dns" ]
27then 34then
28 echo -n > $RESOLV_CONF 35 echo -n > $RESOLV_CONF