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Strange Switch Problem

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by switchoff_b

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We just purchased 3 Netgear fsm726s switches. When I moved the servers over to the new switches none of the servers would log onto the PDC, they kept reporting that a domain controller could not be found. Yet all the client PC's (Win98) could log onto the PDC just fine. They (servers) are all running NT4 with SP6. Now when I placed the PDC and the 3 other servers onto a seperate switch and hooked that switch into one of the new switches ports they all logged on fine. Any ideas?

5 replies

by sgt_shultz

nice testing. can you ping the switches from the servers when they are reporting no PDC found? yes? i am guessing the servers are set up with static ip addressing and the clients with dhcp. if so, then the gateway settings on the server may need to be changed. go to a working client and Start/Run/winipcfg to see what the clients are using for a gateway. you probably need to set the servers gateway setting to new switch ip address...hope this helps

by Former member

These switches managed switches? I doubt it...Make sure you have the switches cross-connected together correctly, and the link lights that are supposed to be on, are on. IP addresses should not be an issue. Look at the physical layer first: Connectivity.

by pgm554

You running VLAN's?Make sure your gateway is set up correctly.
You might have to set up a static route.
You got spanning tree turned off?

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