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router question

If a LAN has two networks domains will a new router need to have two network cards and does this need to be stipulated during purchase of the router?

Michael Palmer

2 REPLIES
Silver

Re: router question

Not neccessarily. You can put multiple addresses (networks) on a single LAN interface using the following command:

ip address x.x.x.x x.x.x.x secondary

Hope this helps

Steve

Re: router question

In addition to what Steve mentioned, you can configure router-on-a-stick. What it means is, you can create sub-interfaces (using ISL or dot1q) and route between the two networks. One requirement for this is you need to setup a trunk between the switch and the router. If possible, this method is better because it will limit broadcasts within the specific VLANs.

Pls. rate all helpful posts.

HTH,

Sundar

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