Do I have to provide each PC with an IP address when using an unmanaged switch?

20 pts.
Tags:
Cisco
IP address
Linksys SR224
Switches
Unmanaged Switches
Hi, I have a modem/router provided by a service provider which I connected to a 24 port unmanaged SWITCH (linksys sr224), the current TCP/IP setting in all of my pc is in automatically obtained mode. Everytime the modem/router of the service provider is broken or not connected, my local area network is also having problems of not connecting to one another. Do I have to change the automatically obtain setting and provide an IP address to each of my pc whenever I am not connected to the modem/router or when I am only using the unmanaged switch?
ASKED: August 26, 2008  4:48 AM
UPDATED: August 26, 2008  12:46 PM

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This is likely due to the modem/router acting as the default gateway for all of the devices on your network. It is also likely providing DHCP services (assigning addresses to the computers). So, when it goes offline, the computers may lose their leases and then be unable to communicate on the network. See if you can configure the DHCP service on the modem/router to have a longer lease time. This will help when the modem/router goes offline and the local computers need to talk to each other. This is not a function of having an unmanaged switch in the network.

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  • Chrptan
    Yes, I think you are right, the ISPs' modem/router is the one providing DHCP services. Thanks for the response.
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