A networking problem

[Sean Keating]

So you have to ask what is the difference between the routers and the
linux box. Are you testing with the same cables in all situations? Are
the routers doing any firewalling or packet filtering? Can you get your
hands on another brand of router to see if there is a difference?

Sean 

On Thu, 2012-04-26 at 07:11 -0500, Vu Pham wrote:
> I need your advice !!!
> 
> Recently my home network is pretty slow when accessing the Internet . 
> Contacting the ISP's support shows the problem is my Linksys (E3000) 
> router. Their tests are:
> - connecting the PCs directly to the ISP cable modem ( a Motorola ) 
> shows the bandwidth as high as expected.
> - connecting the PCs to my router, which connects to the modem, shows 
> the bandwidth is pretty low.
> 
> So I got another router (E4200) to test but it shows the same pattern: 
> slow with router, fast with modem only.
> 
> I do not believe that both routers are bad so I install a Linux server 
> that acts as a router between the Linksys router and the modem. The 
> purpose is to check the packets and bandwidth from the router.
> 
> Well, now all my PCs (wireless or wired) behind the Linksys router 
> access the Internet as fast as when I connect them directly to the modem.
> 
> How can this be ? Some kind of conflicting between the Linksys routers 
> and the modem ?
> 
> 
> Thanks,
> Vu
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