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sik…sik… nulis ini dulu Simple Loadbalancing using Shorewall. part 1 :). asline si bisa kasi judul Multi ISP connection howto or loadbalancing 2 ISP. tapi berhubung ini pake speedy 2 buah (aku sebut speedol). akhire ya kaya gini. o iya ini pake distro linux, pake mandriva spring 2008. cuman CD 1 aja

ok langsung aja.

speedol1 :

IP Modem 192.168.1.254 netmask 255.255.255.0 (masih standar pabrik, pake modem billion)

speedol2 :

IP Modem 192.168.3.254 netmask 255.255.255.0 (bawaan pabrik udah di ganti)

Mandriva Spring 2008 pake 3 NIC / Ethernet card, di Pentium-IV HDD 40GB RAM 1Gb

eth0 : 192.168.1.253 netmask 255.255.255.0

eth1: 192.168.3.253 netmask 255.255.255.0

eth2: 192.168.2.1 netmask 255.255.255.224

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MultiWAN features:

• auto-failover
• load balanced
• round-robin based on user-defined weights (see configuration section)

To give you an example of how multi-WAN works, imagine two 1 Mbit/s DSL lines with two users on the local network. With every new connection to a server on the Internet, the multi-WAN system alternates WAN interfaces. User A could be downloading a large file through WAN #1, while User B is making a voice-over-IP (VoIP) telephone call on WAN #2.

With some applications, the download speed for the multi-WAN system can use the full 2 Mbit/s available. For example, downloading a large file from a peer-to-peer network will use the bandwidth from both WAN connections simultaneously. This is possible since the peer-to-peer technology uses many different Internet “peers” for downloading. At the other end of the spectrum, consider the case of downloading a large file from a web site. In this case, only a single WAN connection is used — 1 Mbit/s maximum.

Bandwidth aggregation (combining multiple WAN interfaces to look like a single WAN interface) is not possible without help for your ISP since both ends of an Internet connection must be configured.

from http://www.clarkconnect.com/docs/Network_Settings_-_Multi-WAN