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Linux - Networking This forum is for any issue related to networks or networking.
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Old 08-26-2004, 05:16 AM   #1
Registered: Jun 2004
Posts: 256

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routing mode

I have a router and on the WAN setting there are:

Bridge MODE: one fix IP
Bridge MODE: multiple fix IP
routing MODE:

what does routing mode mean?
Old 08-26-2004, 07:48 AM   #2
Registered: Oct 2003
Posts: 568

Rep: Reputation: 30
Bridge mode means that your router is not "routing"
It means that it is "bridging"
Essentially, here is how this works:
You have your cable, or DSL modem, and it is connected to your router, and your PC's are connected to the router.
When in "bridging" mode, your router, is functioning as a huge splitter.
Basically, your machine attempts to gain an IP, and instead of your router giving it an IP, and assuming the IP that the DSL modem gave you, it passes, or bridges this information accross to your workstations.
This means, that for as many machine that you connect to the router, you will need that many IP addresses from your ISP.
Bridging mode is typically used when there is a PPPoE or a PPPoA client on your machine, and it can't penetrate the firewall that is contained within the router.

Routing mode, however, is different.
Your router will accept the IP from your ISP, and retain it as it's own. It then distributes its own IP space to your workstations. When sending info to the internet, it will translate these IP's, or NAT them, so that you can access the internet using private IP space.


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