| 1 |
> -----Original Message----- |
| 2 |
> From: Jack <ostroffjh@×××××××××××××××××.net> |
| 3 |
> Sent: Saturday, January 16, 2021 22:00 |
| 4 |
> To: gentoo-user@l.g.o |
| 5 |
> Subject: Re: [gentoo-user] network transfer speed |
| 6 |
> |
| 7 |
> I may be way off base here, but if the switch is connected to a router, |
| 8 |
> packets from one PC go to the switch and then to everything else connected |
| 9 |
> to it, including both the other PC and the router. Is there any chance the |
| 10 |
> router is passing packets back to the switch to get to the second PC? I can |
| 11 |
> imagine that causing lots of problems. However, I would hope it is smart |
| 12 |
> enough to know it doesn't need to do so, since both PCs show up on the |
| 13 |
> same router port. |
| 14 |
|
| 15 |
A switch uses the Ethernet MAC destination address to forward a packet only on the 'interested' ports. What you describe would be a 'hub' [1], I don't think it's easy to find one of those on recent networks. |
| 16 |
|
| 17 |
Raffaele |
| 18 |
|
| 19 |
[1] https://en.wikipedia.org/wiki/Ethernet_hub |
Archives