cisco 2900 series ports

i have seen on the spec sheet of the cisco 2900 series that they have 2 intergrated wan ports, but these routers have also WIC´s for wan moduls.
what is the difference and to which port i would connect my lan to?
do i acutally need extra WIC´s or could i do the job with the integrated ports too?

thanks
traveller82Asked:
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dinkytoy101Commented:
The integrated ports are simply the built in ports into the router. WICs are simply expansion modules for additional ports and port types.

If they are integrated RJ45 ports and your WAN and LAN connections are using these then yes you can simply use one side for each np.
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Don JohnstonInstructorCommented:
i have seen on the spec sheet of the cisco 2900 series that they have 2 intergrated wan ports,
None of the 2900's that I've seen have integrated WAN "ports".  However, all have WAN "slots".  These slots are used by EHWIC (Enhanced High-speed WAN Interface Cards).

what is the difference and to which port i would connect my lan to?
You could connect your LAN to the built-in ethernet ports. The WIC's would be used if you needed additional ethernet ports or connectivity to non-ethernet services (T-1 lines, DSL, ISDN, etc.)

do i acutally need extra WIC´s or could i do the job with the integrated ports too?
Only if you have more ethernet links than the router has ports.
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traveller82Author Commented:
e.g. the Cisco 2901 has two onboard GE ports, which are according to the spec sheet wan ports.
so if the router has build-in wan ports, or ethernet ports, between them the router would route?
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Don JohnstonInstructorCommented:
GE= Gigabit Ethernet. If Cisco wants to call them WAN ports, that's fine.  In the past, ethernet didn't have the distance to do Wide Area Networking. But now that is not necessarily the case.

Bottom line is GE can only connect to an ethernet network. You can put WICs in the WIC slots that will allow you to connect to just about anything you want (including ethernet).
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