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Old 11-18-2002, 06:56 PM   #1
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Router and switch connection does not work.

I purchased an Aopen 10/100mbps SOHO fast ethernet switch to connect to my router to connect several pc's. I connected the router to my switch and then switch to my pc's. I don't get a connection. When I remove the switch and plug the cable back into ether of my pc's the internet works OK. The Aopen manual is crap, all it says is that the damb thing is plug and play. Not a single reference to any settings at all. Are there any settings that must be changed, If there is please lay them out in simple steps.
computers and I don't get along very well.

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Old 11-18-2002, 07:57 PM   #2
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For a switch/hub to connect to a router, you either need a crossover cable, or an uplink port (on the switch) and straight cable.
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Old 11-18-2002, 09:18 PM   #3
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mattg2k4

From reading several of these networking threads it seems that I don't need a crossover cable. Crossover's are used when ethernet cards are used to network. There is no uplink port on the switch only 5 ports numbered 1 thru 5.

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Old 11-18-2002, 09:56 PM   #4
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Cool

Correct about crossover cable. Not needed. Why are you using both a switch and router. Plug router ro modem and PC's to router. Instructions should have come with router on setup.

I know for the PC's they need to be set to obtain address automatically.
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Old 11-18-2002, 10:54 PM   #5
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To connect a router to a switch with no uplink port, you need a crossover cable.
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Old 11-19-2002, 05:36 AM   #6
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Cool

Thanks George I did not know that.
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Old 11-19-2002, 06:42 AM   #7
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Sounds like he may just have A one port router! Having 5 ports on that switch usually means one of them is an uplink port, sometimes using it will than only allow you to actually utilize 3 of the other ports for actual PC's. Should tell you in the manual how to utilize that uplink port and what happens when you do!
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Old 11-19-2002, 07:03 PM   #8
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To answer a few questions.
Aopen switch model AOW 605U. The router is a SMC. I purchased a couple new wires today to replace the ones I had made up yesterday just to eliminate one variable. No change.
Why a switch with a router. The router is on the upper floor. I ran only one wire to the basement .You can imagine what was involved to run a wire two floors and not break any walls. Now I have a couple of PC's I want to network. In the manual it says crossovers are not required. There is no mention how to connect to a router. The SMC router manual says it can connect 250+ PC's together. I'll have to read the SNC manual a little more to see if it mentions connecting a switch. It was said that a crossover cable was required between the router and switch. I don't have a crimping tool, do crossover adapters exist?

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Old 11-19-2002, 07:25 PM   #9
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Yes you can get a simple crossover adapter, it has a little coupler and a short extender cable with the crossover in it.
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Old 11-20-2002, 03:55 AM   #10
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If the router has an uplink port, you can use your straight cable from IT to a standard port on your switch.
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Old 11-20-2002, 12:13 PM   #11
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AOPEN SPEC SHEET

see if this helps..
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Last edited by ZANEY123; 11-20-2002 at 12:20 PM.
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Old 11-22-2002, 09:13 AM   #12
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This is lifted out of the manual for this switch!

When connecting your 5/8-port 10/100M NWay Fast
Ethernet Switch to another switch, a bridge or a hub, a
modified crossover cable is necessary. Please review
these products for matching cable pin assignment.
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Old 11-22-2002, 09:16 AM   #13
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Oh Yeah I downloaded that from the AOPEN website on zaney123's link.
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Old 11-27-2002, 07:53 PM   #14
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this may be to late but....

Please read this...
Switch to switch (other devices)
This switch can be connected to another switch or other
devices (routers, bridges, etc.) via a two-pair Category 3,
4, 5 UTP/STP straight or crossover cable.
A. Using straight cable
When using straight cable, this is done from the uplink
(MDI-II) port of the Switch (Switch A) to any of the
10Mbps or 100Mbps (MDI-X) port of the other switch
(switch B) or other devices.
B. Using crossover cable
When using crossover cable, this is done from any (MDIX)
port of the Switch (Switch A) to any of the 10Mbps,
100Mbps (MDI-X) port of the other switch (switch B) or
other devices.
1. The “100LINK/ACT,10LINK/ACT” LED indicator
light green for hookup to 100Mbps speed or light
amber for hookup to 10Mbps speed.
2. The “Full-Duplex/Collision” LED indicator depends
upon LAN card capabilities whether it’ s full-duplex or
half-duplex
it comes from your router manual. I belive you have an uplink port on the back.
Good luck
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Old 11-30-2002, 01:21 PM   #15
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Problem solved!!!!

Crossover adapter was not available in my area. My solution was to return the switch and purchase a Nortel Networks 60-8T hub. Works great, connected it once and all PC's were up and running in less than 2 minutes. By the way it has a MDI/MDI-X port.

Thanks to all who replyed to this thread.

Regards
Bugnut

Last edited by BUGNUT; 11-30-2002 at 01:27 PM.
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