Date: Sun, 28 Nov 2010 23:29:25 -0500 From: Carl Chave <carl@chave.us> To: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Bridging Gigabit and Fast Ethernet Interfaces Message-ID: <AANLkTik9i-qhZkZtVqyPDbh89V1Se0faBRwaMM1WXB=F@mail.gmail.com>
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if_bridge(4) says: The if_bridge driver currently supports only Ethernet and Ethernet-like (e.g., 802.11) network devices, with exactly the same interface MTU size as the bridge device. Am I correct to assume then that I can bridge a gigabit interface and a fast ethernet interface and that one of the "negatives" of doing this is that Jumbo frames couldn't be used on the gigabit side? I've got an Atom based server with an onboard gigabit nic and only one PCI slot. The server sits physically close to my 10/100 switch that hangs off my firewall. I was thinking of putting a 10/100 nic into the single PCI slot and running that to the 10/100 switch for internet access and then running cable across the room from the gigabit interface to a gigabit switch on my workbench. Wired gigabit clients on the bench would then have the benefit of gigabit access to the server for doing backups but also still have internet access via the server's bridge interface right? Is there a reason I wouldn't want to do it this way? Thanks, Carl
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