Selamat malam semua.
Maaf karena saya masih baru di dunia openSUSE.
Saya ingin bertanya mengenai loadbalancing.
Kemarin saya mensetting sebuah komputer untuk loadbalance menggunakan
openSUSE 11.3.
Kernel sudah di patch,
iptables sudah di setting.
Script loadbalance saya seperti ini:
#!/bin/bash
# This script is done by : Robert Kurjata Sep, 2003.
# feel free to use it in any usefull way
# /etc/init.d/loadbalance
# CONFIGURATION
IP=/sbin/ip
PING=/bin/ping
#--------------- LINK PART -----------------
# EXTIFn - interface name
# EXTIPn - outgoing IP
# EXTMn - netmask length (bits)
# EXTGWn - outgoing gateway
#-------------------------------------------
# LINK 1
EXTIF1=eth0
EXTIP1=192.168.2.2
EXTM1=255.255.255.0
EXTGW1=192.168.2.1
# LINK 2
EXTIF2=eth1
EXTIP2=192.168.1.2
EXTM2=255.255.255.0
EXTGW2=192.168.1.1
#ROUTING PART
# removing old rules and routes
#echo "removing old rules"
#${IP} rule del prio 50 table main
#${IP} rule del prio 201 from ${EXTIP1}/${EXTM1} table 201
#${IP} rule del prio 202 from ${EXTIP2}/${EXTM2} table 202
#${IP} rule del prio 221 table 221
#echo "flushing tables"
#${IP} route flush table 201
#${IP} route flush table 202
#${IP} route flush table 221
#echo "removing tables"
#${IP} route del table 201
#${IP} route del table 202
#${IP} route del table 221
# setting new rules
echo "Setting new routing rules"
# main table w/o default gateway here
${IP} rule add prio 50 table main
${IP} route del default table main
# identified routes here
${IP} rule add prio 201 from ${EXTIP1}/${EXTM1} table 201
${IP} rule add prio 202 from ${EXTIP2}/${EXTM2} table 202
${IP} route add default via ${EXTGW1} dev ${EXTIF1} src ${EXTIP1} proto
static table 201
${IP} route append prohibit default table 201 metric 1 proto static
${IP} route add default via ${EXTGW2} dev ${EXTIF2} src ${EXTIP2} proto
static table 202
${IP} route append prohibit default table 202 metric 1 proto static
# mutipath
echo "mutipath"
${IP} rule add prio 221 table 221
${IP} route add default table 221 proto static \
nexthop via ${EXTGW1} dev ${EXTIF1} weight 2\
nexthop via ${EXTGW2} dev ${EXTIF2} weight 3
${IP} route flush cache
#while : ; do
# ${PING} -c 1 ${EXTGW1}
# ${PING} -c 1 ${EXTGW2}
# sleep 60
#done
echo "Success"
Gagalnya ada pada masalah - masalah berikut :
Kadang2 leg sekitar 5 detik.
Setelah itu saya coba ping ke DNS, kadang RTO namun masih bisa browsing.
Kadang modem 1 di cabut malah tidak konek sama sekali, tapi kadang mau.
Pokoknya banyak sekali yang tidak normal.
Bila ada yang memiliki solusi, mohon pencerahannya.
Salam
Muhammad Fadillah
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