From owner-freebsd-isp Wed Jun 20 16:39: 2 2001 Delivered-To: freebsd-isp@freebsd.org Received: from vyrus.net (vyrus.net [216.254.48.102]) by hub.freebsd.org (Postfix) with ESMTP id D3B8637B407 for ; Wed, 20 Jun 2001 16:38:59 -0700 (PDT) (envelope-from todd@vyrus.net) Received: from localhost (todd@localhost) by vyrus.net (8.11.1/8.11.1) with ESMTP id f5KNcDx47720; Wed, 20 Jun 2001 16:38:13 -0700 (PDT) (envelope-from todd@vyrus.net) Date: Wed, 20 Jun 2001 16:38:13 -0700 (PDT) From: Todd To: Bsdguru@aol.com Cc: freebsd-isp@FreeBSD.ORG Subject: Re: Gigabit Eth (GA620) question In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Wed, 20 Jun 2001 Bsdguru@aol.com wrote: > In a message dated 06/20/2001 6:02:13 PM Eastern Daylight Time, > todd@vyrus.net writes: > > > Questions: > > > > I am loosing VERY close to 50% of packets at the kernel even at only 1MBs. > > (The GA620 is in a 32bit slot as the 64bit slot in the server does not > > accommodate the card...) Regardless of the amt of traffic (1MBs..30MBs) I > > send to the interface, it looses VERY close to 50% of packets (I dont see > > this as a coincidence but do not know the answer) Has anyone experienced > > the same results with this card? > > > > Also, for some reason I am only able to see IPX traffic. No TCP or UDP... > > Any ideas? > > > > You cant do gigabit with a 32-bit card unless you have a lot of buffer space, > which the netgear doesnt. IF you have no other cards in the box OR you have > a dual-bus system with ONLY the gig card on one bus, you might squeeze > through. 32bit PCI cant do sustained 1 Gb/s transfers, so your longer packets > will have problems making it through. Its simply not suitable. Its like doing > 100BT on ISA. I did understand that I would take a performance hit. I just found it odd that it was allways VERY near 50% no matter how much traffic I sent to the interface... Thanks again. - Todd To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message