When I had DSL a while back my 675 did not have any snmp data.
If i did an snmpwalk from a CLI it would always respond with nothing
(at least no connection refused so there was a service at least
listening to the port). I dont know if newer firmware adds snmp
mibs but my take was that the 675 was just a low-end consumer
device and they just didnt bother with snmp functionality.

Jason

At 05:52 PM 7/11/01 -0500, you wrote:
>Hello,
>
>Have anybody had any luck with mrtg and the Cisco 675 router?
>
>I have connected to the router, enabled snmp and then installed mrtg and ran
>cfgmaker: boom - connection refused.
>
>I have upgraded the router firmware from 2.2 to 2.4.1. Now cfgmaker produces
>a configuration (which only discovers one port of the router but still).
>
>However when I ran mrtg it produces the nice html/pngs but they are empty ;(.
>Now the magic: 30 minutes later the qwest phone line fails :)... till today
>at noon (I guess to fulfill the graphs prophecy of 0 bytes in/0 bytes out).
>
>Do you know any clever tricks to make this work? I know it works, searching
>Google for "Cisco 675 mrtg" takes to a lot of status pages showing the
>activity.
>
>Thanks,
>florin
>
>-- 
>
>"you have moved your mouse, please reboot to make this change take effect"
>
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