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  1. #1
    Join Date
    Jun 2009
    Posts
    1,219

    How to test real uplink of dedicated server?

    Hello everyone!

    I rented a dedicated server with 1,000 Mbps public uplink which costs me some extra bucks compared to the 100 Mbps standard uplink. I cannot complain, the server seems fast and responsive, but I wanted to find out how fast the connection REALLY is.

    As no better idea came to my mind, I logged in as root and downloaded a 100MB speedtest file from a Softlayer server. I never reached more than 1,2 MB/s during the whole download. Average was about 980 KB/s.
    I found that quite disappointing as I expected more from a server with 1,000 Mbps uplink to the internet.

    Then I typed in mii-tool -v via ssh and this is the output:

    Code:
    [email protected] [~]# mii-tool -v
    SIOCGMIIREG on eth0 failed: Input/output error
    eth0: negotiated 100baseTx-FD, link ok
      product info: vendor 00:50:43, model 11 rev 1
      basic mode:   autonegotiation enabled
      basic status: autonegotiation complete, link ok
      capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
      advertising:  100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
      link partner: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
    SIOCGMIIREG on eth1 failed: Input/output error
    eth1: negotiated 100baseTx-FD, link ok
      product info: vendor 00:50:43, model 11 rev 1
      basic mode:   autonegotiation enabled
      basic status: autonegotiation complete, link ok
      capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
      advertising:  100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
      link partner: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
    Honestly said, I am far away from being experienced with these things but it looks to me as there is just a 100mbit network interface present in my server. And I guess a 1,000 Mbps uplink makes no sense like this.

    Do I understand things right or am I wrong somehow? Thank you for your advice...

  2. #2
    Join Date
    Jun 2009
    Posts
    1,219
    Some more info from ethtool:

    Code:
    [~]# ethtool eth0
    Settings for eth0:
    	Supported ports: [ TP ]
    	Supported link modes:   10baseT/Half 10baseT/Full 
    	                        100baseT/Half 100baseT/Full 
    	                        1000baseT/Full 
    	Supports auto-negotiation: Yes
    	Advertised link modes:  10baseT/Half 10baseT/Full 
    	                        100baseT/Half 100baseT/Full 
    	                        1000baseT/Full 
    	Advertised auto-negotiation: Yes
    	Speed: 1000Mb/s
    	Duplex: Full
    	Port: Twisted Pair
    	PHYAD: 1
    	Transceiver: internal
    	Auto-negotiation: on
    	Supports Wake-on: pumbag
    	Wake-on: g
    	Current message level: 0x00000001 (1)
    	Link detected: yes
    and

    Code:
    [~]# ethtool eth1
    Settings for eth1:
    	Supported ports: [ TP ]
    	Supported link modes:   10baseT/Half 10baseT/Full 
    	                        100baseT/Half 100baseT/Full 
    	                        1000baseT/Full 
    	Supports auto-negotiation: Yes
    	Advertised link modes:  10baseT/Half 10baseT/Full 
    	                        100baseT/Half 100baseT/Full 
    	                        1000baseT/Full 
    	Advertised auto-negotiation: Yes
    	Speed: 1000Mb/s
    	Duplex: Full
    	Port: Twisted Pair
    	PHYAD: 1
    	Transceiver: internal
    	Auto-negotiation: on
    	Supports Wake-on: pumbag
    	Wake-on: g
    	Current message level: 0x00000001 (1)
    	Link detected: yes

    Okay. This looks to me that both network interfaces (private & public) are configured for 1,000 Mbps, right?

    But anyway - How shall I find out if I am really on a 1,000 Mbps uplink. At least, I pay for it. Or wouldn't the network interface show 1,000 Mbps as speed if the server wasn't connected to an according switch port? I am still confused by the poor results of my speedtest file download from Softlayer...

  3. #3
    Here's mine on 100Mbps

    Saving to: `test500.zip'

    100%[=======================================>] 500,000,000 9.67M/s in 50s

    15:59:24 (9.57 MB/s) - `test500.zip' saved [500000000/500000000]
    You're probably capped somehow.

  4. #4
    Join Date
    Jun 2009
    Posts
    1,219
    Could you give me a link to the speed test file you have used?

  5. #5
    Join Date
    Jun 2009
    Posts
    1,219
    I tried another speedtest file:

    Code:
    100%[====================================>] 104,874,307   11.28M/s    ETA 00:00
    
    15:19:16 (11.30 MB/s) - `test100.zip.1' saved [104874307/104874307]
    That looks already a bit better. The question is: Where do I find a speedtest file on a server that is fast enough to give me a reliable result? By the way: My server is located in Chicago.

  6. #6
    Join Date
    Sep 2008
    Location
    Dallas, TX
    Posts
    4,552
    Quote Originally Posted by Amitz View Post
    I tried another speedtest file:

    Code:
    100%[====================================>] 104,874,307   11.28M/s    ETA 00:00
    
    15:19:16 (11.30 MB/s) - `test100.zip.1' saved [104874307/104874307]
    That looks already a bit better. The question is: Where do I find a speedtest file on a server that is fast enough to give me a reliable result? By the way: My server is located in Chicago.
    Download http://67.159.44.209/1GBtest.zip



    I achieved 780Mbps from Singlehop to that link.

  7. #7
    100%[====================================================================================================================================================== ============================================>] 1,073,741,824 97.8M/s in 11s

    13:25:20 (95.5 MB/s) - `1GBtest.zip' saved [1073741824/1073741824]

    [[email protected] ~]#

    wow nice speed

  8. #8
    Join Date
    Sep 2008
    Location
    Dallas, TX
    Posts
    4,552
    Quote Originally Posted by themedia View Post
    100%[====================================================================================================================================================== ============================================>] 1,073,741,824 97.8M/s in 11s

    13:25:20 (95.5 MB/s) - `1GBtest.zip' saved [1073741824/1073741824]

    [[email protected] ~]#

    wow nice speed
    764Mbps


    Congrats

  9. #9
    yummy thanks

  10. #10
    Join Date
    Apr 2009
    Posts
    1,143
    Looks like you do have a gbit uplink afterall

  11. #11
    Join Date
    Jun 2009
    Posts
    1,219
    Yes, it seems so as I reach 20 M/s using Jacobs link. But it also seems that it isn't the fastest 1,000 Mbps uplink around... Or am I doing my provider wrong because things are not as easy as I think?

  12. #12
    Join Date
    Sep 2008
    Location
    Dallas, TX
    Posts
    4,552
    Who's your provider, FDC?

  13. #13
    Join Date
    Jun 2009
    Posts
    1,219
    No, it is not FDC. I do not want to name them as I am not here to complain while I have an open ticket with them concerning the issue. I just wanted to proof whether I am wrong thinking that my uplink is not the fastest.

  14. #14
    Join Date
    Mar 2003
    Location
    chicago
    Posts
    1,557
    PM me if you want i can upload a 100 meg file for you to test download server is located in the Chicago area.

  15. #15
    Amitz, the speed is obviously going to be affected a lot by physical location!

    E.g. the testfile Jacob posted above is in Chicago, so downloading nearby:

    Code:
    100%[================================================================>] 1,073,741,824  103.69M/s    ETA 00:00
    
    16:50:53 (101.90 MB/s) - `1GBtest.zip' saved [1073741824/1073741824]
    But obviously from LA a couple of thousand miles away:
    Code:
    100%[===================================================================>] 1,073,741,824 35.0M/s   in 33s
    
    14:52:12 (30.7 MB/s) - `1GBtest.zip' saved [1073741824/1073741824]
    So... the speed has dropped a lot, so be wary of location :-)
    Exceptional VPS Hosting. With love, 6sync.

  16. #16
    Join Date
    Oct 2002
    Location
    Vancouver, B.C.
    Posts
    2,656
    Quote Originally Posted by Amitz View Post
    As no better idea came to my mind, I logged in as root and downloaded a 100MB speedtest file from a Softlayer server. I never reached more than 1,2 MB/s during the whole download. Average was about 980 KB/s.
    I found that quite disappointing as I expected more from a server with 1,000 Mbps uplink to the internet.
    Speedtests are useless when it comes to testing for capacity; they are only good for testing the throughput of a single transfer on broadband connections. Even if the speedtest server itself had a gigabit uplink, you wouldn't be able to see a full gig so long as one other person was using it at the same time.
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  17. #17
    Join Date
    Mar 2009
    Posts
    254
    Try out all these tests from reputable datacenters in different locations. On a 1gbps uplink you should expect 700-800mbps from these servers.

    http://www.softlayer.com/downloads/test.zip
    http://limestonenetworks.com/test500.zip
    http://www.fdcservers.net/100MBtest.zip
    http://speedtest.wiredtree.com/100mb.bin
    http://www.singlehop.com/speedtest/5...ytefile.tar.gz

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