Configure 877W for Cable Internet

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Feb 28th, 2008
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Hi I have an 877W that I know is designed to be used with ADSL / ADSL2 wan connections. However I want to try and use it with cable internet. i.e I would like to disable the existing wan interface, configure the IOS so FE1 is attached to a cable modem and it obtains a DHCP internet IP address from my ISP and all internet traffic is routed out through FE1 and back in obviously. Based on a completely blank 877W config can someone give me some pointers on how to build the configuration to achieve the result I'm looking for. It has the Advanced IP Services IOS on it.

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paolo bevilacqua Thu, 02/28/2008 - 09:44
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Configure the vlan:


int fa1

switchport access vlan 2


And do the configuration for you cablemodem under bvi2


int bvi2

ip address dhcp

ip nat outside


The rest is per standard as from all the examples you can find.

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