On Sun, 2006-12-31 at 16:46 -0600, Billie Erin Walsh wrote:
On 12/31/2006 Toshi Esumi wrote:
or loadbalancing, or ISP2 as the backup in case ISP1's connection is down.
Yeah. Something like that. It's a royal pain in the B___ to have to pull the computer out and switch cables then reboot to get the new address right in the middle of doing something. Once upon a time long long ago in one of my windows setups I had a setting where I could use the high speed through the local network or it would automatically connect through the modem and share the connection if the high speed failed.
Load sharing would be nice sometimes, like doing multiple downloads with kget or ktorrent.
AND an automatic backup connection would be great. One drops and the other just takes up the load. I don't know how Linux routing works for your requirement but the device that make the routing decision needs to detect a connectivity down on one of ISPs. The simplest idea is to switch the default gateway from the router for your main ISP to the other when you found the main ISP is down. Another solution is to have a device specifically designed for load balancing for two internet connections. We used one of those, namely Nexland ISB Pro 800, in our office until a couple of months ago but I decided taking it out. Because it was causing strange problems, like intermittent connection loss without ISP's problems. It was too cheap for office use, I guess (US$400). It can be set to ping public IPs via both interfaces to detect connection downs. Idea itself was good but just didn't work well for us.
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