Date: Mon, 8 Jun 1998 08:35:08 +0200 (MET DST) From: Luigi Rizzo <luigi@labinfo.iet.unipi.it> To: easmith@beatrice.rutgers.edu (Allen Smith) Cc: wollman@khavrinen.lcs.mit.edu, net@FreeBSD.ORG Subject: Re: Documenting sysctls (was: Re: kernfs/procfs questions...) Message-ID: <199806080635.IAA15417@labinfo.iet.unipi.it> In-Reply-To: <9806080109.ZM28427@beatrice.rutgers.edu> from "Allen Smith" at Jun 8, 98 01:08:47 am
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as far as i can tell all your previous comments are right but... > > * nor i am sure how well this works with ethernet _and_ IP multicast and > > broadcast. Things like bootp might not work anymore across your > > gateway. > > Ethernet broadcasts are supposed to be stopped by bridges, so I no,this is not true. ethernet broadcasts and *must* be passed by L2 devices (bridges/switches). Same for multicasts, except that you can have some smarts in the bridge and snoop the control traffic (e.g. IGMP) to do selective forwarding. > > it's more a bus than a CPU problem. > > I'll be going to PCI cards if we move to 100-Base-TX. you need it even for 10Mbit, the ISA bus bandwidth is barely enough to support one loaded ethernet. cheers luigi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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