Solved: New ISP, setting up router.

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ACA529

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Nov 15, 2005
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6,118
Hi,

I am trying to configure my router for my new Cable internet and I need to know what I should set the MTU to. It's default is 1500. Is that a good setting?

Also, do I need a username/pass for setting up Cable like I do DSL?

Thanks.
 

JohnWill

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Oct 19, 2002
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106,429
It is for a standard cable account using a DOCSIS compliant modem (almost all cable systems).

No user name/password. Occasionally, a cable company will configure for a specific MAC address for the machine connected to the modem, but that's pretty much been abandoned by the major players and they just key off the MAC address of the modem.

Basic setup for a router in a cable network is simple, then you configure the wireless to your requirements.

Reset the router to factory defaults by holding the reset button down for 15 seconds with power on.

  • Turn off everything, the modem, router, computer.
  • Connect the modem to the router's WAN/Internet port.
  • Connect the computer to one of the router's LAN/Network ports.
  • Turn on the modem, wait for a steady connect light.
  • Turn on the router, wait for two minutes.
  • Boot the computer.

Any computers attached to the wired connections should now be connected if they're configured at the installation defaults with DHCP enabled.
 
Joined
Apr 8, 2008
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Also,

In your TCP/IP settings, ensure you have it setup to "Obtain IP address automatically."

I dont know how many times I have help people who just left DSL with static IP to a router and still have old IP info inside.
 

ACA529

Thread Starter
Joined
Nov 15, 2005
Messages
6,118
Also,

In your TCP/IP settings, ensure you have it setup to "Obtain IP address automatically."

I dont know how many times I have help people who just left DSL with static IP to a router and still have old IP info inside.
Thanks.

And Thanks John!!
 

JohnWill

Retired Moderator
Joined
Oct 19, 2002
Messages
106,429
You can mark your own threads solved using the thread tools at the top of the page in the upper right corner.© :)

 
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