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On Monday, January 18, 2021 8:57:38 AM CET Raffaele BELARDI wrote: |
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> > -----Original Message----- |
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> > From: Jack <ostroffjh@×××××××××××××××××.net> |
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> > Sent: Saturday, January 16, 2021 22:00 |
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> > To: gentoo-user@l.g.o |
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> > Subject: Re: [gentoo-user] network transfer speed |
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> > |
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> > I may be way off base here, but if the switch is connected to a router, |
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> > packets from one PC go to the switch and then to everything else connected |
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> > to it, including both the other PC and the router. Is there any chance |
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> > the |
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> > router is passing packets back to the switch to get to the second PC? I |
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> > can imagine that causing lots of problems. However, I would hope it is |
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> > smart enough to know it doesn't need to do so, since both PCs show up on |
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> > the same router port. |
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> |
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> A switch uses the Ethernet MAC destination address to forward a packet only |
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> on the 'interested' ports. What you describe would be a 'hub' [1], I don't |
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> think it's easy to find one of those on recent networks. |
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> |
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> Raffaele |
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> |
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> [1] https://en.wikipedia.org/wiki/Ethernet_hub |
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Some cheaper switches fail-over to hub-mode when the traffic exceeds what it can |
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manage. |
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-- |
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Joost |