Hello, i have two PC with 5 Gb network card (a NAS OMV and my working PC), i connected them through internet box 3 and wlan box 3 ethernet 2.5 Gb connection. Problem, i obtain a connection only at 1.22 gb… Activation of jumbo frame was a disaster. Why such a bad connection rate???

@"user109"#p872086 Have you ever read what i explained just before? I already achieve 1.22 gbit/s (and not "1.201 Mbps" as you mentionned 😆) through wireless connection between these two boxes. That's mean, wireless connection between IB3 and WLB3 seems wifi6 only For your information (again!), wireless connection between many mesh devices of other brands are not based on usual wifi standard protocol like wifi 5 or 6. These specific wireless protocols are proprietary and far superior to gigabit in order to allow the connection of multiple devices without a drop in bandwidth. I also used netgear orbi during years, i known what i say. @"POGO 1104"#65 This is apparently the case and frankly useless @"r00t"#842306 2\.5 gbit/s reasonably represents a rate of 220 to 280 Mo/s, so stop taking people for newbies, i have worked in a laboratory with an anechoic chamber… What is happen in fact: swisscom sells "wlan box 3" linked by a simple wifi6 connection to IB3 and claims to deliver 2.5Gbit/s ports... IT'S SIMPLY FALSE, I BOUGHT THESE FU… BOXES FOR NOTHING!

Die Internetbox 3 hat einen (1) 2.5Gbit LAN Port. Die WLAN-Box 3 hat einen (1) 2.5Gbit LAN Port. Ich nehme an, du hast diese 2 Ports miteinander verbunden - richtig? Falls ja, hat es also für die PC's und das NAS nur noch 1 Gbit Ports. Also haben diese Geräte max. 1 Gbit Speed

@"POGO 1104"#p872029 No, i connect my NAS to the WLAN box 3 2.5Gbit LAN port and my PC to the Internet Box 3 2.5Gbit LAN port. My ethernet cables are both cat7 and verification was done with iperf3 (so no influence by HDD, only network debit was tested)

@"Wohoyap60"#p872033 Und wohin (und mit welchem Tool) misst du den Speed mit dem PC ? Vom PC am 2.5 G Port und wo ist die Gegenstelle ? Wenn das NAS am 2.5 Port der WB3 ist, dann ist nur noch eine 1 Gb Verbindung zur IB3 möglich

Hi @"Wohoyap60"#1193092 As far as I understand, the WLAN-Box 3 is connected wirelessly to the IB3, right? Please note that the "maximum Wi-Fi transmission speeds" of all Wi-Fi devices (no matter which vendor) advertised are theoretical maximums and not realistic. Honestly, I think that in this case, 1.2 Gbit/s is already quite impressive. If you are looking for a reliable full-duplex connection at full-line speed, there is sadly only one way: cat7 all the way + a 2.5 Gbit/s compatible switch. I think the [MikroTik CRS310-8G+2S+IN](https://mikrotik.com/product/crs310_8g_2s_in) could be a great fit. This is also the only way I see to get jumbo-frames working. I don't think you can expect consumer hardware to support those. Best, r00t

@"POGO 1104"#p872034, thanks With "iperf3" installed on both machines, i obtain same result on two ways (no asymetric defect): around 1.22 Gbit/s I obtain similar figures when i transfer a big file between the machines (150 Mo/s \~ 1.22Gbit/s) It is the twice of network speed we obtain on such network (280 Mo/s \~ 2.4 Gbit/s) @"r00t"#842306 Thanks for your answer and yes, the WB3 is connected to IB3 wirelessly, this is very usefull on my setup, that's why i choose this box Swisscom claims IB3 and WB3 are 2.5 Gbit/s compatible but it seems not… I'll try direct connection between NAS and PC to identified if it is a card or cable issue

> @"Wohoyap60"#p872066 > Swisscom behauptet, dass IB3 und WB3 mit 2,5 Gbit/s kompatibel sind, Ja, das gilt aber nur für LAN und nicht für WLAN. WLAN ist immer ein Flaschenhals und wenn du da netto! überhaupt auf 1 Gbit/s kommst, ist das ein sehr guter Wert.

@"POGO 1104"#p872068 What is the utility of 2.5 gbits/s lan port on WB3?

> @"Wohoyap60"#p872073 [POGO 1104](https://community.swisscom.ch/d/858479-internet-box-3-and-wlan-box-3-network-25gb/7) > > Welchen Nutzen hat der 2,5-Gbits/s-Lan-Anschluss am WB3? @"Wohoyap60"#p872073 damit die Maximale LAN Geschwindigkeit anliegen kann von der IB3,4,5,5Pro um > 1Gbit/s über WLAN zuhaben. Bei einer WLAN Verbindung musst Du noch den Overhead der Verschlüsselung und Prüfsummen zu den Nutzdaten hinzurechnen. Es wird immer das Physikalische theoretische Maximum angegeben, was aber in der Praxis nie erreicht wird.

@"user109"#p872076 This is not my question… wireless connection between mesh devices is already much more than 1 Gbit/s for many brands (netgear, asus, tplink) for your information… If you have no clue on the subject no need to bother me

> @"Wohoyap60"#p872083 Wenn Sie keine Ahnung von dem Thema haben, brauchen Sie mich nicht zu stören @Wohoyap60"#p872083 wer hat hier keine Ahnung und kann nicht lesen was ich schreibe ? damit die Maximale LAN Geschwindigkeit anliegen kann von der IB3,4,5,5Pro **um > (grösser/maximale ) 1Gbit/s über WLAN zuhaben. (d.H. mehr als 1 Gbit/s) je nach WLAN Standard z.B. WIFI 6E** Bei einer WLAN Verbindung musst Du noch den Overhead der Verschlüsselung und Prüfsummen zu den Nutzdaten hinzurechnen. Es wird immer das Physikalische theoretische Maximum angegeben, was aber in der Praxis nie erreicht wird. * Bei einer Kanalbreite von 160 MHz erreicht Wi-Fi 6E bis zu 1.201 Mbps je Antennen-Stream.

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internet box 3 and wlan box 3 - network 2.5Gb

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