Preguntas
- Usando un dispositivo con un puerto Ethernet de 10/100 Mbit/s, ¿puedo probar la velocidad de mi conexión de cable de fibra de 50 Mbit/s o necesito una conexión de Gbit/s? Hasta ahora asumí que sí, pero un técnico del ISP no me dio detalles.
- ¿Cómo puedo interpretar los resultados de speedtest-cli (ver datos)?
- También descubrí que mi proveedor de red (también conocido como ISP) ofrece sólo enlaces IPv6. Por lo tanto, utilizo DS-lite para túneles IPv4. Ahora me pregunto si esto también podría ser la causa de mis problemas de latencia.
- ¿Cómo puedo profundizar más para encontrar la causa de mi salto de ping?
- ¿Existen mejores formas de depurar problemas de velocidad?
Historia de fondo
Tengo una conexión de cable de fibra de 50 Mbit/s y estoy bastante insatisfecho con el servicio. En las horas pico "sentí" que el servicio era lento y las páginas web tardaban más en cargarse.
Para "probarlo" escribíestesecuencia de comandos en Python. Utiliza speedtest-cli para realizar pruebas de ping, carga y descarga en un servidor en Frankfurt, Dublín, Nueva York y Los Ángeles. También utiliza nmap para verificar cuántas "máquinas" hay actualmente dentro de mi red. De esta manera sé si el drenaje podría provenir de alguien que mira Netflix. Instalé el script como cronjob ejecutándose cada hora en una Raspberry 3, que solo tiene un puerto Ethernet de 10/100 Mbit/s.
Datos de ejemplo
| Datetime | Hosts | Ping | Upload | Bytes_sent | Download | Bytes_Recived |
| 2018-01-19T00:00:02 | 5 | 456,686 | 8859432,21 | 11329536 | 42387039,13 | 53647395 |
| 2018-01-19T01:00:02 | 6 | 55,487 | 9690568,263 | 12394496 | 48871132,88 | 61671954 |
| 2018-01-19T02:00:02 | 4 | 46,576 | 9553857,186 | 12460032 | 39940398,74 | 50407954 |
| 2018-01-19T03:00:02 | 5 | 69,093 | 9729516,601 | 12476416 | 47199896,03 | 59754036 |
| 2018-01-19T04:00:02 | 5 | 131,094 | 9744125,266 | 12427264 | 48411931,21 | 61108754 |
| 2018-01-19T05:00:02 | 6 | 32,095 | 9611176,162 | 12369920 | 48495481,2 | 60948515 |
| 2018-01-19T06:00:02 | 6 | 183,844 | 9812070,916 | 12345344 | 48717604,98 | 61525556 |
| 2018-01-19T07:00:02 | 6 | 35,492 | 9622592,805 | 12345344 | 48667074,86 | 61624355 |
| 2018-01-19T08:00:02 | 4 | 95,824 | 9754413,18 | 12509184 | 48829982,69 | 61603875 |
| 2018-01-19T09:00:02 | 4 | 314,905 | 9532744,351 | 12509184 | 48097223,55 | 60692515 |
| 2018-01-19T10:00:02 | 4 | 271,334 | 9716421,388 | 12427264 | 47736555,72 | 60361234 |
| 2018-01-19T11:00:02 | 4 | 46,671 | 9645834,387 | 12460032 | 48561369,07 | 61299713 |
| 2018-01-19T12:00:02 | 4 | 72,906 | 9688054,024 | 12509184 | 48725634,14 | 61720116 |
| 2018-01-19T13:00:03 | 4 | 89,382 | 9721907,268 | 12386304 | 48358407,64 | 61247935 |
| 2018-01-19T14:00:03 | 4 | 34,53 | 9775841,13 | 12419072 | 48939781,7 | 61718975 |
| 2018-01-19T15:00:02 | 7 | 37,369 | 9627499,878 | 12312576 | 48990150,91 | 61643694 |
| 2018-01-19T16:00:02 | 6 | 251,355 | 9838841,628 | 12451840 | 48369089,15 | 60788276 |
| 2018-01-19T17:00:02 | 4 | 113,982 | 9733041,185 | 12402688 | 48625526,77 | 61371956 |
| 2018-01-19T18:00:02 | 4 | 83,473 | 9734033,97 | 12460032 | 47808274,64 | 60334115 |
| 2018-01-19T19:00:03 | 4 | 34,271 | 9589739,453 | 12386304 | 48724229,22 | 61603875 |
| 2018-01-19T20:00:02 | 4 | 222,44 | 9260891,721 | 11845632 | 48120715,56 | 60507054 |
| 2018-01-19T21:00:02 | 4 | 145,296 | 9682721,04 | 12337152 | 48854437,44 | 61411775 |
| 2018-01-19T22:00:02 | 4 | 361,843 | 9820471,907 | 12435456 | 43138745,36 | 54387713 |
| 2018-01-19T23:00:02 | 4 | 46,525 | 9635708,711 | 12402688 | 48798356,31 | 61562915 |
| 2018-01-20T00:00:03 | 4 | 34,452 | 9668489,844 | 12484608 | 48757971,66 | 61310516 |
| 2018-01-20T01:00:02 | 3 | 278,132 | 9689869,09 | 12222464 | 46157167,11 | 58060835 |
| 2018-01-20T02:00:02 | 3 | 34,061 | 9792897,952 | 12402688 | 48932899,98 | 61712914 |
| 2018-01-20T03:00:02 | 3 | 222,601 | 9575894,45 | 12083200 | 47324165 | 59702836 |
| 2018-01-20T04:00:02 | 3 | 166,744 | 9744894,948 | 12361728 | 48328298,24 | 60944914 |
| 2018-01-20T05:00:02 | 3 | 34,551 | 9390160,981 | 12288000 | 48892598,24 | 61720116 |
| 2018-01-20T06:00:02 | 3 | 46,744 | 9672963,671 | 12328960 | 37214289,67 | 47404033 |
| 2018-01-20T07:00:03 | 4 | 35,149 | 9412055,695 | 12353536 | 48837220,36 | 61706275 |
| 2018-01-20T08:00:02 | 4 | 167,273 | 9916437,273 | 12509184 | 48624106,32 | 61491235 |
| 2018-01-20T09:00:02 | 4 | | | | | |
| 2018-01-20T10:00:02 | 4 | 34,626 | 9821330,998 | 12509184 | 49087689,85 | 61698495 |
| 2018-01-20T11:00:02 | 4 | 35,57 | 9840213,05 | 12476416 | 48982928,05 | 61630994 |
| 2018-01-20T12:00:03 | 4 | 39,17 | 9711952,767 | 12378112 | 47536559,25 | 59759534 |
| 2018-01-20T13:00:02 | 4 | 34,849 | 9768321,062 | 12451840 | 48665417,09 | 61597236 |
| 2018-01-20T14:00:02 | 4 | 261,139 | 9852836,972 | 12476416 | 48125700,89 | 60684735 |
| 2018-01-20T15:00:02 | 4 | 233,061 | 9857791,641 | 12443648 | 48855680,99 | 61668353 |
| 2018-01-20T16:00:02 | 4 | 287,165 | 9559165,811 | 12222464 | 43314049,88 | 54497315 |
| 2018-01-20T17:00:03 | 4 | 186,966 | 9593515,219 | 12148736 | 47097072,51 | 59261375 |
| 2018-01-20T18:00:02 | 4 | 224,053 | 9691654,467 | 12468224 | 46005853,6 | 57842194 |
| 2018-01-20T19:00:02 | 4 | 31,884 | 9462821,554 | 12460032 | 48638421,97 | 61597236 |
| 2018-01-20T20:00:03 | 4 | 377,088 | 9707508,733 | 12419072 | 42028705,03 | 53026356 |
| 2018-01-20T21:00:02 | 4 | 71,191 | 9594447,372 | 12271616 | 48585457,4 | 61293074 |
| 2018-01-20T22:00:03 | 4 | 402,03 | 9766419,252 | 12410880 | 43656862,13 | 55026194 |
| 2018-01-20T23:00:02 | 4 | 126,011 | 9820064,279 | 12476416 | 48456382,81 | 61098514 |
| 2018-01-21T00:00:02 | 4 | 30,814 | 9694778,042 | 12476416 | 48751062,66 | 61696035 |
| 2018-01-21T01:00:02 | 3 | 122,291 | 9628735,163 | 12353536 | 49024854,65 | 61679156 |
| 2018-01-21T02:00:02 | 3 | 30,904 | 9766703,252 | 12492800 | 48218443,23 | 60829236 |
| 2018-01-21T03:00:02 | 3 | 30,8 | 9649319,683 | 12296192 | 47199545,82 | 59504675 |
| 2018-01-21T04:00:03 | 3 | 150,728 | 9732168,545 | 12468224 | 49028891,8 | 61699636 |
| 2018-01-21T05:00:02 | 3 | 171,024 | 9770520,848 | 12451840 | 48830477,7 | 61644835 |
| 2018-01-21T06:00:03 | 3 | | | | | |
| 2018-01-21T07:00:02 | 4 | 38,696 | 9741383,448 | 12460032 | 48820723,98 | 61596095 |
| 2018-01-21T08:00:03 | 4 | 115,45 | 9787380,211 | 12394496 | 48989508,54 | 61630994 |
| 2018-01-21T09:00:02 | 4 | 31,272 | 8824419,77 | 12427264 | 49003295,18 | 61720116 |
| 2018-01-21T10:00:02 | 4 | 110,753 | 9546247,819 | 12402688 | 49002122,52 | 61600274 |
| 2018-01-21T11:00:02 | 4 | 62,478 | 9663107,904 | 12156928 | 48720372,19 | 61425616 |
| 2018-01-21T12:00:02 | 4 | 157,061 | 9858328,414 | 12476416 | 47341355,93 | 59781155 |
| 2018-01-21T13:00:02 | 4 | 298,394 | 9847295,114 | 12468224 | 47031074,18 | 59514915 |
| 2018-01-21T14:00:02 | 4 | 38,377 | 9637879,703 | 12328960 | 48113751,78 | 60504594 |
| 2018-01-21T15:00:03 | 4 | 357,521 | 9889451,173 | 12451840 | 48899863,95 | 61542435 |
| 2018-01-21T16:00:03 | 4 | 415,393 | 9649956,506 | 12386304 | 42713104,44 | 54135314 |
| 2018-01-21T17:00:02 | 4 | 106,568 | 9849859,289 | 12468224 | 48925673,03 | 61668916 |
| 2018-01-21T18:00:03 | 4 | 54,189 | 9700058,593 | 12492800 | 46432185,7 | 58360255 |
| 2018-01-21T19:00:02 | 4 | 54,223 | 9755228,651 | 12394496 | 48463559,72 | 61371956 |
| 2018-01-21T20:00:02 | 4 | 189,218 | 9705393,618 | 12410880 | 46319602,94 | 58251794 |
| 2018-01-21T21:00:02 | 4 | 46,637 | 9749068,717 | 12468224 | 48916354,93 | 61674414 |
| 2018-01-21T22:00:02 | 6 | 145,501 | 9745608,012 | 12345344 | 44254102,77 | 55851455 |
| 2018-01-21T23:00:02 | 4 | 141,066 | 9836329,878 | 12460032 | 41675563,36 | 52561955 |
| 2018-01-22T00:00:02 | 6 | 255,927 | 9731630,583 | 12484608 | 44996688,54 | 56681473 |
| 2018-01-22T01:00:02 | 5 | 34,757 | 9724611,372 | 12484608 | 48804046,28 | 61573155 |
| 2018-01-22T02:00:02 | 5 | 119,807 | 9552364,774 | 12214272 | 46876410,53 | 59395636 |
| 2018-01-22T03:00:02 | 5 | 35,74 | 9645858,424 | 12451840 | 48595139,42 | 61337635 |
| 2018-01-22T04:00:03 | 5 | 34,357 | 9768391,86 | 12451840 | 48506360,43 | 61290036 |
| 2018-01-22T05:00:02 | 4 | 118,107 | 9709315,767 | 12378112 | 48636212,49 | 61575615 |
| 2018-01-22T06:00:02 | 5 | 88,998 | 9674934,44 | 12369920 | 48928524,55 | 61689396 |
| 2018-01-22T07:00:02 | 6 | 203,9 | 9567271,18 | 12271616 | 46796952,93 | 59002915 |
| 2018-01-22T08:00:03 | 6 | 152,93 | 9705874,575 | 12328960 | 38637205,41 | 48923154 |
| 2018-01-22T09:00:02 | 4 | 397,185 | 9756511,807 | 12435456 | 48207609,63 | 60682275 |
| 2018-01-22T10:00:02 | 5 | 37,635 | 9721322,218 | 12451840 | 49083999,72 | 61694894 |
| 2018-01-22T11:00:02 | 4 | | | | | |
| 2018-01-22T12:00:02 | 6 | 232,739 | 9697884,915 | 12402688 | 46989084,48 | 59428816 |
| 2018-01-22T13:00:02 | 5 | 36,268 | 9801424,5 | 12427264 | 49079600,06 | 61743634 |
| 2018-01-22T14:00:02 | 6 | 188,08 | 9762041,783 | 12435456 | 45773043,49 | 57780754 |
| 2018-01-22T15:00:02 | 5 | 34,873 | 9746529,95 | 12468224 | 48753134,63 | 61689396 |
| 2018-01-22T16:00:02 | 5 | 353,239 | 9810805,36 | 12468224 | 46946387,42 | 59463715 |
| 2018-01-22T17:00:02 | 4 | 97,762 | 9724076,93 | 12435456 | 46884642,72 | 59449874 |
| 2018-01-22T18:00:02 | 4 | 181,057 | 9733598,532 | 12279808 | 47584270,96 | 59824575 |
| 2018-01-22T19:00:02 | 5 | 148,215 | 9754228,767 | 12476416 | 47308584,13 | 59644434 |
| 2018-01-22T20:00:02 | 5 | 34,63 | 9706193,739 | 12247040 | 40835207,01 | 51350034 |
| 2018-01-22T21:00:02 | 7 | 88,201 | 9725487,351 | 12386304 | 47645916,9 | 60070335 |
| 2018-01-22T22:00:02 | 6 | 84,979 | 9528844,746 | 12214272 | 44049695,98 | 55544833 |
| 2018-01-22T23:00:02 | 5 | 34,386 | 9859645,724 | 12443648 | 48405971,99 | 60839476 |
(Fuente: Raspberry Pi 3 en Munich al servidor de prueba de velocidad de Vodafone en Frankfurt).
Respuesta1
Lo más probable es que su conexión lenta sea el resultado del uso de un hardware de enrutamiento incorrecto, no del proveedor de servicios de Internet. El problema no es el puerto de 100 MBit, pero como se trata de una tecnología antigua, podría haber pensado que el procesador de su hardware de enrutamiento podría ser demasiado lento para realizar incluso las tareas básicas de enrutamiento. Para probarlo, puede conectar una PC directamente al hardware de fibra y ver si el problema persiste; esta es una solución que todos los ISP sugieren primero y debe probarla antes de buscar otra cosa. Esos tipos, especialmente si se trata de fibra, pueden probar su conexión con mucha precisión.