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Wireless Networks Thread, Slow GhostCast in Technical; Originally Posted by gnarlyc Anytime we have had this problem it has been due to one or more flaky NICs. ...
  1. #16

    Geoff's Avatar
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    Re: Slow GhostCast

    Quote Originally Posted by gnarlyc
    Anytime we have had this problem it has been due to one or more flaky NICs. We usually break the group down into smaller groups, and we usually find the 'bad' NICs about the time we finish... But, then we know which PC gets a new NIC!
    If you have switches that report networking faults (eg, ProCurves) and you know how your wiring works, you can trace the faulty NIC/wiring that way too.

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    Re: Slow GhostCast

    We had the same problem the other year and fixed it like Sfoord said and disabled IGMP on the switch.

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    Re: Slow GhostCast

    Have you tried fixing the Server NIC to full duplex 100mbps. The autonegotiation can cause this sort of thing.
    Also as a previous person stated, turn off spanning tree and IGMP.
    Good luck

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    Re: Slow GhostCast

    Ghost will slow down to the slowest device on your network ie a printer 10mb. We unplugged all our printers here this summer for our imaging and this allows a decent speed when it works. We have diffenrt images for different rooms and use unicast option. Only problem with this option is that if one pc fails it cancels the whole lot in that session.

    Create differnt sessions for different rooms and stagger them all so they are not all at the same time.

    If you fail this make a dedicated ghosting server and carry it to each room then dissconnect the switch from the rest of the network for each differnt section of your network.

    It has taken us the last couple of weeks to figure this strategy out and now we are nearly complete.

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    Re: Slow GhostCast

    Erm, you can just turn igmp on to get around that.

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