3845 - 4-Port Switch Module Question

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Apr 1st, 2009
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Hello Everyone,


We're getting a new T3 connection and a Cisco 3845 router with a HWIC-4ESW (4-port switch module).


Would it be possible to simply plug in 3-4 devices into the 4-port switch and assign them public IPs that we get from our provider?


We do something similar already. We have a 2811 with a T1 connection. The 2811 has two built-in ethernet ports. I plugged in one server on one port and other server on the other port. Both have public IPs and everything works great.


Would having the 4-port switch on the 3845 just give me additional ports to plug in more devices?


Thanks.

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Leo Laohoo Wed, 04/01/2009 - 16:07
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The HWIC-4ESW is a Layer 2 switch. You can, however, assign each ports to a VLAN and each VLAN has their own IP address.


If you want a routed port(s), you should be looking at the HWIC-1FE OR HWIC-2FE.


Data Sheet for the HWIC-1FE & HWIC-2FE:

http://www.cisco.com/en/US/docs/routers/access/interfaces/ic/hardware/installation/guide/fe_hwic.html


Hope this helps.

iPhrankie Wed, 04/01/2009 - 16:23
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Would the HWIC-1FE & HWIC-2FE be the equivalent of the two built-in ethernet ports on the 2811?


If that's the case, I might go with that approach. I'm familiar with configuration of assigning IPs to those type of interfaces.


I guess it would be question if the HWIC-4ESW gave me any more flexibility on bandwidth control, etc?

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