VPN throughput VIA C7 1200 Mhz. Upgrade to 1500 MHz worth?



  • I´m using since some months pfsense with my own homemade router. Inside is working a VIA C7 Eden with 1200 MHz (fanless), 4 GB CF-Card and 1 GB-RAM.

    When I´m using a payed VPN provider and my pfSense router as client I got approx. 35 Mbit/s throughput with AES-256bit or CBC-128 bit connections. My CPU usage in this moment is not more than 50% (process is open_vpn).
    What is now throttling the throughput? My PC is able to download with approx. 44 Mbit.

    So would be an upgrade to a 1500 MHz CPU be able to reach the 44 Mbit? Its seems not to be an CPU issue. Thx


  • Netgate Administrator

    If you're not seeing more than 50% cpu then upgrading the cpu will not help. How are you measuring that? Try using 'top -SH' at the command line to see everything.
    This could be a restriction at the provider end, many cheaper VPN options are not fast.

    Steve



  • Yeah agree with above.

    I know someone who has a 100meg line and with a 3ghz Quad Xeon CPU with AES instructions supported @ 27% cpu load hits 70-80meg, he looses a good 20 meg just due to the VPN itself.

    If your getting 35meg out of a 44meg max connection while under the VPN that is pretty good performance.

    As for the cpu load @ 50%, only a cpu with AES instructions would drop it down to 20-30% roughly use when maxed out.


  • Netgate Administrator

    In fact the VIA C7 performs far better than it's clock frequency and age would suggest because it has an on-board encryption engine (that supports AES), VIA Padlock.
    http://en.wikipedia.org/wiki/AES_instruction_set#Supporting_CPUs_2

    Steve



  • Thanks for the answers. The provider I can exclude.

    My PC -> 48 Mbit
    My PC with OpenVPN installed -> 44 Mbit (lose 4 Mbit)
    My PC -> Pfsense VIA C7 1200 MHz router with build-in hardware encryption -> 35 Mbit max. / CPU Load 50% max.

    I measured the load only with "top" command but I will try "top -SH" today. Anyway, you´r right. Increasing the CPU would not help, it seems that only a hardware vpn accelerator could gain more throughput.

    From Hacom.net (1 GHZ VIA C7)

    High network throughput:

    85 Mbps raw/cleartext (600 Mbps with Gigabit Ethernet option)
        34 Mbps Blowfish IPSec VPN
        55 Mbps AES-256 IPSec VPN (77 Mbps with Soekris VPN1411)
        15 Mbps 3DES IPSec VPN (77 Mbps with Soekris VPN1411)

    Edit: I found close to my home a shop who is selling soekris vpn adapter.

    soekris vpn 1401 (76€)
    soekris vpn 1411 (69€)

    My issue is now (but thats an another story) that those adapters need an PCI port but this one is used now for the "fpsense-nano-bsd-image" on a CF card.

    I have to check if the CF card and soekris adapter would cause an issue while connected both on one PCI adapter. I´m using a mini itx mainboard with the M-350 mini itx enclosure.

    Edit: Thats my mainboard

    http://www.jetwaycomputer.com/J7F4.html


  • Netgate Administrator

    I'm not sure I understand. Is your CF card in a seperate PCI card (with on board IDE)?
    Usually the CF crad would be in a CF-IDE adapter completely separate from the PCI slot.

    Make sure you are using the padlock engine correctly. Look for it being detected as <crypto>in dmesg. Make sure you have selected it as the hardware crypto device in the OpenVPN cryptographic settings.

    There are a number of other threads here detailing openvpn setups on VIA cpus, probably worth reading through them to find some numbers.

    Steve</crypto>



  • does almost sound like a bit of a bottle neck somewhere, could be your setup have you got a chance to try pfsense installation on a fast flash drive or hdd ?

    Still sounds strange you would hit 44meg with openvpn software and then using the pfsense openvpn software 35 only…

    Possible configuration settings within pfsense, have yet to go there myself am still getting the hardware right.

    Also is it possible you can test it on another pc for a test run and see if you hit 44meg could give you a better idea or clue as to what is sucking up that bandwith, also hopefully the next pfsense build will be much improved and better performance!



  • @stephenw10:

    I'm not sure I understand. Is your CF card in a seperate PCI card (with on board IDE)?
    Usually the CF crad would be in a CF-IDE adapter completely separate from the PCI slot.

    Make sure you are using the padlock engine correctly. Look for it being detected as <crypto>in dmesg. Make sure you have selected it as the hardware crypto device in the OpenVPN cryptographic settings.

    There are a number of other threads here detailing openvpn setups on VIA cpus, probably worth reading through them to find some numbers.

    Steve</crypto>

    I´m using an extention cable with adapter for the CF card. The cable is connected to the IDE port. There is now one empty ide connector on the cable where I would attach the VPN adapter as well (If I would decide to buy it).

    Sorry, I forgot to copy the log files, now I´m on work. In the openvpn config padlock is activated and in dmesg I can see the encryptions as well. During start up of openvpn the engine padlock is loaded.

    What I recognized is less throughput if monitoring the cpu load with top command. "top -sh" is terrible :( throughput drops to 25-30 Mbps). But closing putty gives me now a throughput ~38 Mbps which is enough for this small hardware build.

    @Fevan:

    does almost sound like a bit of a bottle neck somewhere, could be your setup have you got a chance to try pfsense installation on a fast flash drive or hdd ?

    Still sounds strange you would hit 44meg with openvpn software and then using the pfsense openvpn software 35 only…

    Possible configuration settings within pfsense, have yet to go there myself am still getting the hardware right.

    Also is it possible you can test it on another pc for a test run and see if you hit 44meg could give you a better idea or clue as to what is sucking up that bandwith, also hopefully the next pfsense build will be much improved and better performance!

    The only external hdd I have is a 2 TB. But I found a Jetway NC-73 mainboard with dual lan as well which is for me mandatory, for less than 100€. I will try this one instead buying the vpn accelerator.


  • Netgate Administrator

    @gekko:

    There is now one empty ide connector on the cable where I would attach the VPN adapter as well (If I would decide to buy it).

    The VPN accelerator is not an IDE device it's a PCI device (or mini-PCI).

    If running top is slowing your box considerably I would say you are at the limits of the hardware. What % was the idle process showing at that point? I would expect it was 0.

    If you're running Nano the speed of the drive should not be causing a problem.

    Steve



  • Yes, its the IDE port… :o My fault.

    top -sh process raised up until 20%  and openvpn to 60% max. Nothing else was visible with more than 0,x %.

    Nevertheless,I´m honestly thinking about to switch to a newer Intel or AMD CPU. In case using an Intel CPU which is using AES-NI i have read to unload the module.

    http://forum.pfsense.org/index.php/topic,69079.msg378029.html?PHPSESSID=ee935d285a7f4859dd5a6cb36d5b42ce#msg378029

    In the next months I will got a new 100 Mbit connection and then mmy actual hardware will not meet the expectations.



  • So did the speed go up to 44meg?

    since your via kit already has AES support you may want to hold off on better hardware, you may hit 100meg bb speeds with it or close.

    Finding the right kit I found a challenge only since most low end intel cpus and even the latest ones do not support AES, some of the newer haswell intel core i3 range have it but not the sandy or ivys, seems a mixed bag. Core i5/7+ have it even the old ones.

    All AMD cpus always have it they don't cripple their cpus with features.

    The new baytrail or atom 2 desktops and cpus are coming out in the next month or 2 however I checked some of them and while they are meant to have AES support a quick check on intel cpu database and cpu world database revealed no AES support on most of them only the business edition/server baytrail systems seemed to have AES, maybe worth waiting till they are out and fully reviewed.



  • [2.1-RELEASE][admin@pfsense.localdomain]/root(28): /usr/bin/openssl engine -t -c
    (cryptodev) BSD cryptodev engine
    [RSA, DSA, DH, AES-128-CBC, AES-192-CBC, AES-256-CBC]
        [ available ]
    (padlock) VIA PadLock (no-RNG, ACE)
    [AES-128-ECB, AES-128-CBC, AES-128-CFB, AES-128-OFB, AES-192-ECB, AES-192-CBC, AES-192-CFB, AES-192-OFB, AES-256-ECB, AES-256-CBC, AES-256-CFB, AES-256-OFB]
        [ available ]
    (dynamic) Dynamic engine loading support
        [ unavailable ]
    [2.1-RELEASE][admin@pfsense.localdomain]/root(29):

    Deactivating padlock or cryptodev in OpenVPn config is raising up my speed to constant 42 Mbit with my 1.2 GHz VIA C7 CPU. Thats really enough. Activating padlock or cryptodev, so I have read it here in the forum, is routing the traffic through one of these engines as well. But for me it was useless… omg :(

    As you said I was looking yesterday for a Intel Core i3-4130T with AES-NI. But now I have found the root cause for the massive speed drop. If I´m changing my ISP by middle of next year ans getting the 100Mps connection I will consider to buy new equipment.

    I have ordered 2 days ago a miniITX Celeron 1037U Mainboard but I will send it back.



  • Well that is great news to hear your hitting your fuller speeds :)

    Its easy to get the upgrade itch but just like many folk around here I have seen they get very high end or mid range pcs worth $300-400, some even get xeon servers worth that much with AES just to get the fuller speeds, but since speaking to the the guys on this forum they know there stuff much better then me btw and even they said even a 2ghz cpu is enough and should hit 100meg+ VPN speeds.

    I think you should at least give it a test when you get your 100meg connection, your 1.2ghz kit with its encryption support is currently the sweet spot.

    I have a 1.5ghz quadcore AMD A4-5000 cpu which has full AES support and max 15watts, my full broadband speed is hitting 5% cpu usage while its only 10meg, I assume I too should hit 100meg…. AES should hopefully counter the cpu overhead and if hopefully by then pfsense + openvpn from a release or 2 down the road should use multi core support, so in theory 200meg and beyond perhaps with very little cpu usage !



  • Hello Fevan

    I switched to the the new miniITX Board. GA-C1037UN from Gigabyte with a Dual Core Celeron and I´m very surprised about the speed and CPU usage.

    Full Load with 46-47 Mbit/sec with BC-CBC 128bit and only 23% CPU usage max. and the board doesn´t need more than 18 Watt. Although this board has no AES support it´s performing very well. I was waiting 2 days until opening the box :) I was considering to send the package back.

    OpenSSL speed output with a Celeron 1037 and 4 GB-DDR3 RAM on 4 GB Compact flash Card using a nano 1 GB BSD pfsense image

    
    OpenSSL 0.9.8y 5 Feb 2013
    built on: date not available
    options:bn(64,32) md2(int) rc4(idx,int) des(ptr,risc1,16,long) aes(partial) blowfish(idx)
    compiler: cc
    available timing options: USE_TOD HZ=128 [sysconf value]
    timing function used: getrusage
    The 'numbers' are in 1000s of bytes per second processed.
    type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 bytes
    md2               1241.57k     2552.09k     3472.24k     3818.55k     3931.13k
    mdc2              5346.57k     5945.15k     6129.67k     6172.98k     6183.11k
    md4              19196.19k    67705.08k   192389.60k   356384.95k   474610.29k
    md5              15945.12k    53220.77k   138644.88k   231744.27k   288054.50k
    hmac(md5)        14870.23k    50112.77k   133322.27k   227841.23k   287173.17k
    sha1             13830.15k    40594.85k    88396.69k   125721.51k   143524.52k
    rmd160           12413.46k    34547.47k    71410.74k    97639.00k   109350.36k
    rc4             202493.90k   260635.34k   281057.26k   286650.32k   288200.93k
    des cbc          39580.38k    40175.55k    40285.53k    40345.08k    40373.25k
    des ede3         14582.03k    14654.89k    14671.10k    14683.93k    14687.32k
    idea cbc             0.00         0.00         0.00         0.00         0.00
    seed cbc             0.00         0.00         0.00         0.00         0.00
    rc2 cbc          25060.83k    25652.16k    25898.75k    25977.97k    26010.01k
    rc5-32/12 cbc   149821.90k   159312.46k   161424.27k   162496.46k   162752.66k
    blowfish cbc     63492.72k    65346.24k    65712.62k    65893.69k    65964.04k
    cast cbc         57077.81k    58958.91k    59433.33k    59549.42k    59604.14k
    aes-128 cbc      58083.47k    61622.53k    62368.54k    62753.44k    62801.41k
    aes-192 cbc      50243.05k    53332.33k    53843.72k    54121.31k    54174.94k
    aes-256 cbc      44877.39k    46854.56k    47324.47k    47553.83k    47591.69k
    camellia-128 cbc    48180.17k    50060.06k    50540.53k    50593.58k    50673.91k
    camellia-192 cbc    37211.27k    38231.78k    38512.42k    38565.91k    38611.84k
    camellia-256 cbc    37196.30k    38267.35k    38498.71k    38589.80k    38630.21k
    sha256           10559.61k    25759.62k    47170.62k    59592.90k    64581.36k
    sha512            3977.06k    15926.76k    24211.83k    33853.36k    38368.47k
    aes-128 ige      60019.16k    63932.09k    64938.94k    65320.54k    65388.44k
    aes-192 ige      52073.85k    54983.36k    55743.33k    56059.38k    56100.04k
    aes-256 ige      46046.86k    48259.69k    48851.10k    49093.04k    49114.49k
                      sign    verify    sign/s verify/s
    rsa  512 bits 0.000583s 0.000057s   1716.1  17557.2
    rsa 1024 bits 0.002683s 0.000130s    372.8   7704.4
    rsa 2048 bits 0.013994s 0.000385s     71.5   2599.3
    rsa 4096 bits 0.085500s 0.001272s     11.7    786.2
                      sign    verify    sign/s verify/s
    dsa  512 bits 0.000449s 0.000506s   2227.8   1976.0
    dsa 1024 bits 0.001139s 0.001352s    877.8    739.9
    dsa 2048 bits 0.003478s 0.004212s    287.5    237.4
    [2.1-RELEASE][root@pfsense.localdomain]/root(3):
    
    


  • @gekko:

    Hello Fevan

    I switched to the the new miniITX Board. GA-C1037UN from Gigabyte with a Dual Core Celeron and I´m very surprised about the speed and CPU usage.

    Full Load with 46-47 Mbit/sec (my ISP connection is 50 Mbit)with BC-CBC 128bit and only 23% CPU usage max. and the board doesn´t need more than 18 Watt. Although this board has no AES support it´s performing very well. I was waiting 2 days until opening the box :) I was considering to send the package back.

    OpenSSL speed output with a Celeron 1037 and 4 GB-DDR3 RAM on 4 GB Compact flash Card using a nano 1 GB BSD pfsense image

    
    OpenSSL 0.9.8y 5 Feb 2013
    built on: date not available
    options:bn(64,32) md2(int) rc4(idx,int) des(ptr,risc1,16,long) aes(partial) blowfish(idx)
    compiler: cc
    available timing options: USE_TOD HZ=128 [sysconf value]
    timing function used: getrusage
    The 'numbers' are in 1000s of bytes per second processed.
    type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 bytes
    md2               1241.57k     2552.09k     3472.24k     3818.55k     3931.13k
    mdc2              5346.57k     5945.15k     6129.67k     6172.98k     6183.11k
    md4              19196.19k    67705.08k   192389.60k   356384.95k   474610.29k
    md5              15945.12k    53220.77k   138644.88k   231744.27k   288054.50k
    hmac(md5)        14870.23k    50112.77k   133322.27k   227841.23k   287173.17k
    sha1             13830.15k    40594.85k    88396.69k   125721.51k   143524.52k
    rmd160           12413.46k    34547.47k    71410.74k    97639.00k   109350.36k
    rc4             202493.90k   260635.34k   281057.26k   286650.32k   288200.93k
    des cbc          39580.38k    40175.55k    40285.53k    40345.08k    40373.25k
    des ede3         14582.03k    14654.89k    14671.10k    14683.93k    14687.32k
    idea cbc             0.00         0.00         0.00         0.00         0.00
    seed cbc             0.00         0.00         0.00         0.00         0.00
    rc2 cbc          25060.83k    25652.16k    25898.75k    25977.97k    26010.01k
    rc5-32/12 cbc   149821.90k   159312.46k   161424.27k   162496.46k   162752.66k
    blowfish cbc     63492.72k    65346.24k    65712.62k    65893.69k    65964.04k
    cast cbc         57077.81k    58958.91k    59433.33k    59549.42k    59604.14k
    aes-128 cbc      58083.47k    61622.53k    62368.54k    62753.44k    62801.41k
    aes-192 cbc      50243.05k    53332.33k    53843.72k    54121.31k    54174.94k
    aes-256 cbc      44877.39k    46854.56k    47324.47k    47553.83k    47591.69k
    camellia-128 cbc    48180.17k    50060.06k    50540.53k    50593.58k    50673.91k
    camellia-192 cbc    37211.27k    38231.78k    38512.42k    38565.91k    38611.84k
    camellia-256 cbc    37196.30k    38267.35k    38498.71k    38589.80k    38630.21k
    sha256           10559.61k    25759.62k    47170.62k    59592.90k    64581.36k
    sha512            3977.06k    15926.76k    24211.83k    33853.36k    38368.47k
    aes-128 ige      60019.16k    63932.09k    64938.94k    65320.54k    65388.44k
    aes-192 ige      52073.85k    54983.36k    55743.33k    56059.38k    56100.04k
    aes-256 ige      46046.86k    48259.69k    48851.10k    49093.04k    49114.49k
                      sign    verify    sign/s verify/s
    rsa  512 bits 0.000583s 0.000057s   1716.1  17557.2
    rsa 1024 bits 0.002683s 0.000130s    372.8   7704.4
    rsa 2048 bits 0.013994s 0.000385s     71.5   2599.3
    rsa 4096 bits 0.085500s 0.001272s     11.7    786.2
                      sign    verify    sign/s verify/s
    dsa  512 bits 0.000449s 0.000506s   2227.8   1976.0
    dsa 1024 bits 0.001139s 0.001352s    877.8    739.9
    dsa 2048 bits 0.003478s 0.004212s    287.5    237.4
    [2.1-RELEASE][root@pfsense.localdomain]/root(3):
    
    


  • Very impressive and at least your set for 100meg and greater speeds now :)


  • Netgate Administrator

    Hardware AES decryption is nice to have but modern CPUs are so fast that it's probably not necessary. As we've seen here it may even be slower than using software if it's not implemented properly/completely.

    Steve



  • You know you're wrong here, … right?  :)

    The AES-NI support in 8.3 (pfSense 2.1) doesn't support a mode that can be effectively pipelined.

    This is changing.  I fully expect AES-NI in pfSense 2.2 to blow the doors off any software-only implementation you can find on x86/amd64 hardware.

    We're talking 750-850Mbps throughput in IPSEC tunnel mode, maybe more.  AES-NI is, in theory, good for 2Gbps per core.
    (And inexpensive multi-core hardware that supports AES-NI is coming.)

    And Intel's QuickAssist engine will run at 50Gbps (throughput) if you have the right hardware installed.  No, I did not stutter.  8)


  • Netgate Administrator

    @gonzopancho:

    You know you're wrong here, … right?  :)

    Me?
    I think (I hope) I was pretty much in agreement with what you said. Perhaps I was unclear.

    With most home internet connections still <100Mbps it's unnecessary to have AES hardware support since many current entry level CPUs can sustain that encrypted throughput in software.

    How's that?  ;)

    Of course if you're discussing a much larger pipe then sure the advantages become much more apparent.

    Steve



  • @gekko:

    @gekko:

    Hello Fevan

    I switched to the the new miniITX Board. GA-C1037UN from Gigabyte with a Dual Core Celeron and I´m very surprised about the speed and CPU usage.

    Full Load with 46-47 Mbit/sec (my ISP connection is 50 Mbit)with BC-CBC 128bit and only 23% CPU usage max. and the board doesn´t need more than 18 Watt. Although this board has no AES support it´s performing very well. I was waiting 2 days until opening the box :) I was considering to send the package back.

    OpenSSL speed output with a Celeron 1037 and 4 GB-DDR3 RAM on 4 GB Compact flash Card using a nano 1 GB BSD pfsense image

    
    OpenSSL 0.9.8y 5 Feb 2013
    built on: date not available
    options:bn(64,32) md2(int) rc4(idx,int) des(ptr,risc1,16,long) aes(partial) blowfish(idx)
    compiler: cc
    available timing options: USE_TOD HZ=128 [sysconf value]
    timing function used: getrusage
    The 'numbers' are in 1000s of bytes per second processed.
    type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 bytes
    md2               1241.57k     2552.09k     3472.24k     3818.55k     3931.13k
    mdc2              5346.57k     5945.15k     6129.67k     6172.98k     6183.11k
    md4              19196.19k    67705.08k   192389.60k   356384.95k   474610.29k
    md5              15945.12k    53220.77k   138644.88k   231744.27k   288054.50k
    hmac(md5)        14870.23k    50112.77k   133322.27k   227841.23k   287173.17k
    sha1             13830.15k    40594.85k    88396.69k   125721.51k   143524.52k
    rmd160           12413.46k    34547.47k    71410.74k    97639.00k   109350.36k
    rc4             202493.90k   260635.34k   281057.26k   286650.32k   288200.93k
    des cbc          39580.38k    40175.55k    40285.53k    40345.08k    40373.25k
    des ede3         14582.03k    14654.89k    14671.10k    14683.93k    14687.32k
    idea cbc             0.00         0.00         0.00         0.00         0.00
    seed cbc             0.00         0.00         0.00         0.00         0.00
    rc2 cbc          25060.83k    25652.16k    25898.75k    25977.97k    26010.01k
    rc5-32/12 cbc   149821.90k   159312.46k   161424.27k   162496.46k   162752.66k
    blowfish cbc     63492.72k    65346.24k    65712.62k    65893.69k    65964.04k
    cast cbc         57077.81k    58958.91k    59433.33k    59549.42k    59604.14k
    aes-128 cbc      58083.47k    61622.53k    62368.54k    62753.44k    62801.41k
    aes-192 cbc      50243.05k    53332.33k    53843.72k    54121.31k    54174.94k
    aes-256 cbc      44877.39k    46854.56k    47324.47k    47553.83k    47591.69k
    camellia-128 cbc    48180.17k    50060.06k    50540.53k    50593.58k    50673.91k
    camellia-192 cbc    37211.27k    38231.78k    38512.42k    38565.91k    38611.84k
    camellia-256 cbc    37196.30k    38267.35k    38498.71k    38589.80k    38630.21k
    sha256           10559.61k    25759.62k    47170.62k    59592.90k    64581.36k
    sha512            3977.06k    15926.76k    24211.83k    33853.36k    38368.47k
    aes-128 ige      60019.16k    63932.09k    64938.94k    65320.54k    65388.44k
    aes-192 ige      52073.85k    54983.36k    55743.33k    56059.38k    56100.04k
    aes-256 ige      46046.86k    48259.69k    48851.10k    49093.04k    49114.49k
                      sign    verify    sign/s verify/s
    rsa  512 bits 0.000583s 0.000057s   1716.1  17557.2
    rsa 1024 bits 0.002683s 0.000130s    372.8   7704.4
    rsa 2048 bits 0.013994s 0.000385s     71.5   2599.3
    rsa 4096 bits 0.085500s 0.001272s     11.7    786.2
                      sign    verify    sign/s verify/s
    dsa  512 bits 0.000449s 0.000506s   2227.8   1976.0
    dsa 1024 bits 0.001139s 0.001352s    877.8    739.9
    dsa 2048 bits 0.003478s 0.004212s    287.5    237.4
    [2.1-RELEASE][root@pfsense.localdomain]/root(3):
    
    

    This is very good to hear. I am actually looking at purchasing the same motherboard and was wondering about pf sense compatibility and VPN performance. I currently have a 100Mbps connection so it looks as this will work well.



  • GA-C1037UN-EU is capable of 900mbps firewalling.
    http://www.superwrt.eu/cel-mai-bun-router-gigabit/ (sorry for romanian - use chrome translate)
    our bigget ISP in Romania is offering 500mbps at 11 euro and 1000 mbps for 14 euro (49 lei and 59 lei)
    I'm very curious also on it's vpn capabilities - will try to ask the owner
    –---------------
    LE: he doesn't have the capabilities to test openvpn for now



  • @maurer:

    GA-C1037UN-EU is capable of 900mbps firewalling.
    http://www.superwrt.eu/cel-mai-bun-router-gigabit/ (sorry for romanian - use chrome translate)
    our bigget ISP in Romania is offering 500mbps at 11 euro and 1000 mbps for 14 euro (49 lei and 59 lei)
    I'm very curious also on it's vpn capabilities - will try to ask the owner
    –---------------
    LE: he doesn't have the capabilities to test openvpn for now

    Hello, sorry for not updating the post series regarding this DIY gigabit ethernet router,
    the sistem seems to be extremely stable but i did not do any heavy traffic through it..

    00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09)
    00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
    00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04)
    00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
    00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
    00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4)
    00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 (rev c4)
    00:1c.2 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev c4)
    00:1c.3 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 4 (rev c4)
    00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
    00:1f.0 ISA bridge: Intel Corporation 7 Series Chipset Family LPC Controller (rev 04)
    00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)
    00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04)
    01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06)
    02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06)
    03:00.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 41)
    
    

    Did not include a CPU graph because its stable at 2-3 %.











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