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Network comes to a crawl

Network consists of:

RR modem
Tried with Linksys router and Buffalo with DD-WRT router
Netgear gigabit switch 8-port

So basically the network will work once you reset the router, it'll work really quick, internet will be awesome, but eventually as the day progresses the network starts to become slower and slower until it's unusable.

We've ruled out the ISP for now.

Swapped a router out already to no avail.

Swapped out the Netgear switch for a new gigabit switch this morning.

The network has 4 computers on it with one of the computers acting as a "server" by sharing a single folder for the other 2 users on the network.

Checked to ensure other computers are spyware/virus free, they are.

What else could cause the network to progressively get worse? Is there any tool I should use to see if something else is bogging down the network or hogging bandwidth?

While the network is completely unusable it seems I am still able to ping via terminal to Google with reasonble response times.

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aindelicato

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OBESEJESUS

ASKER

Still trying to narrow that down. That's the hardest part, I can't stay all day so I try to stay as long as I can until a certain point that I feel that things are going ok. Then after I leave, maybe 4-6 hours later is when the problem begins. I'm going to have them log down what they're doing right before it starts to see if I can think of anything or see any unusual things they might be doing on the network.

aindelicato

do you at least know the time frame? 10pm , 11pm .. look at the server. Scheduled tasks? What time is your backup set to run?

OOsorio

Look at the internet router log. Users are visiting what sites. Music or video sites, maybe watching movies. The log should be able to give you this info.

OBESEJESUS

ASKER

Swapped out switch yesterday, had to re crimp a cable also and so far so good. I am going to leave this open as I'm not convinced the network is fixed but in any case, knock on wood, I'll keep it open.