How to speed up the download speed

you should reach almost the available bandwidth with firewall too.

at the dashboard check current CPU and used bandwidth at the external interface.

Try to upload a file ... which download speed do you get

because i see 1/10 of availeble bandwith i think a duplex error is possible.

Following is the capture Screen

** Remark : ISP provided the internet speed is 1000M.

Does the drop speed relate to the antivirus Scanning? If yes, how can I disable the antivirus Scanning?

You have a 1000MBit (1GBit) NIC  speed or you should reach 1GBit up-/download speed?

AV / IPS may reduce the throughput ... but not so much.


one moment later ... OK, you wrote "If I download the file w/o through the firewall, the speed will jump to 1M to 2M /s. "

So you can't use an 1GB Up-/Down-link

But at your pictures i see 1-2,5 MBit interface load too ... the same as expected

Try to download these file with and W/O Firewall:

http://ftp.astaro.com/UTM/v9/up2date/u2d-sys-9.510005-600005.tgz.gpg

which speed do you reach?

Yes, ISP provide 1G speed.

When download a file , it will not use all resource. Otherwise the network system will lag.

Today, I download the same file from DMZ. The speed is around 1 to 2M download speed.

About the u2d-sys-9.510005-600005.tgz.gpg file testing, I will try on Monday(HONG KONG Time).

Thanks!

dirkkotte said:

You have a 1000MBit (1GBit) NIC  speed or you should reach 1GBit up-/download speed?

AV / IPS may reduce the throughput ... but not so much.


one moment later ... OK, you wrote "If I download the file w/o through the firewall, the speed will jump to 1M to 2M /s. "

So you can't use an 1GB Up-/Down-link

But at your pictures i see 1-2,5 MBit interface load too ... the same as expected

 

Try to download these file with and W/O Firewall:

http://ftp.astaro.com/UTM/v9/up2date/u2d-sys-9.510005-600005.tgz.gpg

which speed do you reach?

 

Hi Dirkkotte,

 I try 3 methods. They are through "firewall" , "DMZ" and "with out firewall". Both result are around 5M/s ~ 5.5M/s download speed.

ok, thats not much ...

possible if the ftp server is located far from your country.

But it is more than the reported speed (2xx-3xxkb/s) from first post.

is it possible you try a local speed-test? With and W/O Firewall?

Hi Dirkkotte,

Following is the speed test result from Government Web Site.

The download speed drops so much when use the firewall.

that's OK. the proxy functionality often distorts these results in this way.
with "normal" network traffic and multiple users, significantly more throughput should be achieved.
but the values displayed here (> 300MB / s) are not really bad ... and far from 1-3 MB / s.
so it is difficult to understand the problem.

Do you use the chinese gov seceurity systems form HK too?

that's OK. the proxy functionality often distorts these results in this way.
with "normal" network traffic and multiple users, significantly more throughput should be achieved.
but the values displayed here (> 300MB / s) are not really bad ... and far from 1-3 MB / s.
so it is difficult to understand the problem.

Do you use the chinese gov seceurity systems form HK too?

But the download speed drops around 60% when through firewall. It is still not reasonable.

Does the problem come from the firmware?

Try to download a big file from a local server (HK).

I use .iso files mostly. From europe i often use debian images.

I try download a file 4.5G from my home NAS. Both download speeds are 6.5-7.4M/s.

Hi Dirkkotte,

This Morning, I try download a file from Mega.nz and Dropbox. They have following result.

thx!