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 Post subject: crossover or straight run?
PostPosted: Tue Oct 05, 2004 4:30 pm 
Smithfield*
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ok i'm advising a guy whos doing some networking and he wants to connect two routers. seems basic but when he posed the question to me i was stumped. do you connect w/ a crossover cable or a straight cable? i've connected a switch to my router via a straight cable but from router to router what would you use?


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 Post subject:
PostPosted: Tue Oct 05, 2004 6:00 pm 
Smithfield
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process of elimination, not hard to find out :wink:

I'd say straight, but then again IIRC for the bigger switches/routers you want crossover. I have a wireless router hooked up to my normal router through a straight through and that works fine.


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 Post subject:
PostPosted: Wed Oct 06, 2004 7:08 am 
Coppermine
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You always use a crossover for a DTE to DTE connection (router to router) or DCE to DCE (switch to switch)...straight cables for DTE to DCE.

Now with that said, alot of the newer gear will roll the cable at the port for you, allowing you to use a straight thru cable where in the past you would have needed a roll cable.


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 Post subject:
PostPosted: Wed Oct 06, 2004 1:40 pm 
Smithfield*
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well he ended up using a straight cable with success. not sure what routers he's hooking up but they are brand new and high quality stuff too.


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 Post subject:
PostPosted: Thu Oct 07, 2004 12:53 am 
Networking with a passion!
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Some NICs can auto sense the cable type and adjust automaticly -pretty 8)


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 Post subject:
PostPosted: Sun Oct 10, 2004 8:28 pm 
Willamette
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HoOdY wrote:
You always use a crossover for a DTE to DTE connection (router to router) or DCE to DCE (switch to switch)...straight cables for DTE to DCE.

Now with that said, alot of the newer gear will roll the cable at the port for you, allowing you to use a straight thru cable where in the past you would have needed a roll cable.


Yeah you've been through Cisco too. 8)

What are you hooking up here? If it's brand new router manual should tell him what he needs and come with appropriate cables too.


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 Post subject: Re: crossover or straight run?
PostPosted: Sat Oct 16, 2004 4:48 pm 
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gramaton cleric wrote:
ok i'm advising a guy whos doing some networking and he wants to connect two routers. seems basic but when he posed the question to me i was stumped. do you connect w/ a crossover cable or a straight cable? i've connected a switch to my router via a straight cable but from router to router what would you use?


Depends on the item.

I've seen some that will show 2 ports that can be used for uplink. If I recall correctly, if you have an xover cable you plug it into port 1 on each switch. If you have a Straight cable, you plug one end into the uplink on one switch and port 1 on the other. (Note: Sometimes it's the last port on the switch, rather than port 1. Check the manual if you don't know)
Example: Intel In-Business (Page 9 according to PDF, Page 11 according to Acrobat)

I've seen some that have a button to switch between straight and xover.
Example: Netgear FR114 (Page 2-4)

I've seen some that autosense if a straight or xover has been used.
Example: SMC 8505T


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