US West (our local telco) is promoting their ADSL service heavily. The
complete package including 256K ADSL plus ISP starts at $60/month, with
a choice of about 20 ISPs. US West provides a hardware package which
includes a Cisco 675 router and an ethernet card. Depending on the ISP,
the Cisco is configured either in bridging mode or in PPP/NAT mode. The
Cisco in PPP/NAT mode offers most of the advantages of STN including
inbound port translation, an RFC 2131 DHCP server and a web
administration tool. Information on the Cisco is at
http://www.cisco.com/warp/public/cc/cisco/mkt/access/675/prodlit/675_ds.htm
I tried hooking a STN box up to a Cisco 675 in PPP/NAT mode and it does
not obtain an IP address from the Cisco's DHCP server, although NT 4.0
or Windows 9x machines connected directly to the Cisco do. If I
configure STN with a 10.0.0.x IP address and a gateway of 10.0.0.1 (the
Cisco's default IP), it works fine. I set the DHCP options to the
default options (all boxes blank). Two questions:
1. What, if any, benefit is there to running STN behind the Cisco?
2. Why isn't STN obtaining an IP address from the Cisco DHCP server?
Rick Samuels
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