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krolk

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krolk

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November 17th, 2004 13:00

DUPLEX MODE ?

hi


the first device (ADSL router) is FULL DUPLEX 10 MB/s

how to setup the second device (Switch PowerConnect 3324) ?
FULL DUPLEX or AUTO ?


greetings

anonimous


Message Edited by anonimous on 11-21-2004 04:55 PM

  • G

    GregG1

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    Posted November 17th, 2004 15:00

    If the router is hard-set for speed and duplex, the port on the switch also needs to be hard-set. See the following link to the online CLI Guide for the Ethernet Configuration Commands:
     

     
    Before disabling auto-negotiation, you must disable auto mdix. If you are using a straight-through patch cable and the router interface is using mdi (typical mode if the router does not have a dedicated uplink port", you would need to configure the switch port to use mdix mode using the "mdix on" command.
     
    If both the router and switch are configured for auto-negotiation, they will negotiate the link using the highest capability available to both devices (10full if the router does not support a higher setting).
     
    Using auto-negotiation on one device and hard-set speed/duplex on the other device will create a duplex mismatch. In this case the link will be established at half duplex.
  • K

    krolk

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    Posted November 17th, 2004 17:00

    hi DELL-GregG

    thanks for the quick answer !
    that means the best solution is to setup both sites: router and switch
    to AUTO Negotiation ?

    if both sites are on AUTO Negotiation, can I set then MDI/MDIX on the switch on AUTO ?
    I dont' know what exact supports CISCO 836: MDI or MDIX but I cannot find dedicated uplink port.

    greetings
    anonimous
  • G

    GregG1

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    Posted November 17th, 2004 18:00

    If the router supports auto-negotiation, the best solution would be to use auto on both devices.
     
    The default configuration for all ports on the Dell is auto MDI/MDIX.

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