#!/bin/sh
+# set individualized routing table and policy for each network device
+
+
set -x
## INTERFACES(5)
# IFACE physical name of the interface being processed
-# METHOD method of the interface (e.g., static)\r
-# MODE start if run from ifup, stop if run from ifdown\r
-# PHASE as per MODE, but with finer granularity, distinguishing the pre-\r
-# up, post-up, pre-down and post-down phases.\r
+# METHOD method of the interface (e.g., static)
+# MODE start if run from ifup, stop if run from ifdown
+# PHASE as per MODE, but with finer granularity, distinguishing the pre-
+# up, post-up, pre-down and post-down phases.
# optional arugument to set default gateway manually
GATEWAY=$1
-TID=`/sbin/ip addr show dev ${IFACE} | grep -w ${IFACE}: | cut -d : -f 1`
+TID=`/sbin/ip addr show dev ${IFACE} | grep -w ${IFACE}: | tr -s ' ' | cut -d : -f 1`
if [ "${PHASE}" = "post-down" ]; then
# delete routing table and policy and exit
# get IP address, network mask, default gateway info
-IPADDR=`/sbin/ip addr show dev ${IFACE} | grep -w inet | cut -d t -f 2 | cut -d ' ' -f 2 | cut -d / -f 1`
-if [ -z ${IPADDR} ]; then
+IPADDR=`/sbin/ip addr show dev ${IFACE} | grep -w inet | tr -s ' ' | cut -d ' ' -f 3 | cut -d / -f 1`
+if [ -z "${IPADDR}" ]; then
# fail to bind IP address to device
echo "${IFACE} has no IP address."
exit
fi
-NETWORK=`/sbin/ip route show dev ${IFACE} | grep -w ${IPADDR} | cut -d ' ' -f 1`
+NETWORK=`/sbin/ip route show dev ${IFACE} | grep -w ${IPADDR} | tr -s ' ' | cut -d ' ' -f 1`
if [ -z "${GATEWAY}" ]; then
- GATEWAY=`/sbin/ip route show dev ${IFACE} | grep -w default | cut -d ' ' -f 3`
+ GATEWAY=`/sbin/ip route show dev ${IFACE} | grep -w default | tr -s ' ' | cut -d ' ' -f 3`
fi
if [ -z "${GATEWAY}" ]; then
- GATEWAY=`/sbin/ip route | grep -w default | cut -d ' ' -f 3`
+ GATEWAY=`/sbin/ip route | grep -w default | tr -s ' ' | cut -d ' ' -f 3`
# this may add wrong default route especially on RHEL
fi