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Network Down

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by mo_hdnadeem

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Respected Sir /Madam,

I have a windows2000 Network with SQL Server2000 as Backend.(3 10/100mbps Switches,3Patchpanels, 1 DSL Modem).
Nodes in the Network are obtaining TCP/IP address from DSL modem( NODES IN LAN AS WELL AS NODES FROM DIFFERENT LOCATION THROUGH PHONELINE ARE OBTAINING IP ADDRESS FROM DSL MODEM.), after working about 3 to 4 hours the whole Network is down. I tried to ping the Domain Controller and other Database Servers but it is showing "Timeout Error".

After Restarting the Servers The Network is perfectly working...but again after 3-4hours it is hanged up.

I tried my things to solve the problem but still the problem persist . Please give me some Idea or solution to solve the Problem

Waiting for your early andsoon reply in this Regard.

Thanks and Regards

Nadeem.

9 replies

by tduval

Don't reset server, on/off your switch.

I've that once, some kind of saturation in hubs.

by kashifh007

AOA Mr nadeem how r u this is kashif from lahore i am working as a network admin in multinational company some time i face this kind of problem plz install the "netwinds" software and monitor your proceesor and whole network activity in this software u can check that when the problem become after over load the CPU of your servers or in your hardware i use this software its an excellant software install it then mail me i will tell u that complete mathod of using this software i dont think so there is a problem in your switch or DSL or network points or cables
ok
thanks

by dbowlin

You are running DHCP from a DSL Modem? What are the configuration options for DHCP? May be your leases are expiring and not being renewed. After the failure, what does ipconfig /all show? Do you still have an IP address? Is it the same one you started with? Are you running any name resolution, WINS or DNS? If IP addresses are changing during the day because of the way the DHCP leases are being assigned that will create a lot of problems with name resolution. Try giving your servers fixed IP addresses in the same subnet without being inside the DHCP scope being used by all the other hosts.

Good luck,

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