accessing modem portion on cisco 870 router/modem

hi all,
anyone has experiences with cisco 877 router/modem?  when I accessed the router portion, I can't see the vpn cofigurations on it.  I can only see dhcp.
mwaukiSystems EngineerAsked:
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David Johnson, CD, MVPOwnerCommented:
use the SDM software
http://www.cisco.com/go/sdm

Cisco 870 is series (871/876/877/878) that can be customized by your carrier/isp..
and different levels of the software have different capabilities.

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