Timeline for Slow WiFi, fast Ethernet after switching ISP
Current License: CC BY-SA 4.0
14 events
| when toggle format | what | by | license | comment | |
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| Jun 7, 2019 at 20:03 | history | bounty ended | CommunityBot | ||
| Jun 2, 2019 at 6:11 | history | edited | harrymc | CC BY-SA 4.0 |
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| Jun 2, 2019 at 6:06 | history | edited | harrymc | CC BY-SA 4.0 |
added 808 characters in body
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| Jun 1, 2019 at 13:17 | comment | added | harrymc | There are many sources saying the same as my answer. For example, Wikipedia Maximum transmission unit says: "IEEE 802.11 Wi-Fi (WLAN) - 2304 - The maximum MSDU size is 2304 before encryption". This is the possible MTU, not necessarily the one your adapter uses, so the answer by @develroot might be a good test, and if it works, then also a good workaround. | |
| Jun 1, 2019 at 7:42 | comment | added | Daniel K | @develroot as an experiment could you alter the MTU on a wireless test client to, say, 1400 bytes? This article could help support.zen.co.uk/kb/Knowledgebase/… | |
| May 31, 2019 at 15:42 | comment | added | user81496 | @DanielK sorry I meant the maximum length of the packets. There are others with different values, but no more than 1500. | |
| May 31, 2019 at 14:35 | comment | added | Daniel K | @develroot all packets? meaning you cannot see any difference between wired and wireless packets? Are you measuring this upstream of the wireless access point (i.e. nearer the WAN)? | |
| May 31, 2019 at 10:03 | comment | added | harrymc | Strange, because apart from package size, I can't see any other difference that could affect wireless transmission speed toward the ISP. I wonder if Wireshark's virtual adapter itself can have some effect on the result. | |
| May 31, 2019 at 9:20 | comment | added | user81496 | @DanielK Wireshark reports all packets have a length of 1500, with TCP flags 0x4000 (Don't fragment) | |
| May 31, 2019 at 8:26 | comment | added | harrymc | I concur with @DanielK. Without some sniffing it would not be possible to know what is really going on here. It might help to know the make & model of the router in question. | |
| May 31, 2019 at 7:52 | comment | added | Daniel K | @develroot I think this is an interesting approach. How about you capture some wireless traffic using a sniffer and see if the packets are indeed larger than wired packets? | |
| May 31, 2019 at 7:32 | comment | added | user81496 | @harrymc I can not see the reasoning behind this. Router's WAN MTU is 1500, meaning that all packets that are sent to ISP have a MTU of 1500, regardless of the source (wifi or ethernet). And you can not set the MTU "for both wired and wireless" on the router side, because MTU is a client setting, (hence the WAN MTU setting). Am I wrong? | |
| May 30, 2019 at 20:55 | comment | added | End Antisemitic Hate | @develroot If you try this, and it works, please report back to let us know. | |
| May 30, 2019 at 20:49 | history | answered | harrymc | CC BY-SA 4.0 |