Subject: Re: ti0/GA620 problem
To: Markus W Kilbinger <kilbi@rad.rwth-aachen.de>
From: Jason R Thorpe <thorpej@zembu.com>
List: current-users
Date: 05/17/2001 13:33:28
On Thu, May 17, 2001 at 10:14:42PM +0200, Markus W Kilbinger wrote:
> I tried to connect two GA620 cards (one in a 1.5.1_BETA2/i386, one in
> a todays -current/i386 system) directly with a 'cross over' fiber
> which seems to work in general. Both cards are detected like
>
> ti0 at pci0 dev 13 function 0: Netgear GA620 1000baseSX Gigabit Ethernet (rev. 0x01)
> ti0: interrupting at irq 9
> ti0: Ethernet address: 00:02:e3:00:1e:11
>
> 'ifconfig ti0' shows on both sides something like:
>
> ti0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 9000
> address: 00:02:e3:00:1e:11
> media: Ethernet autoselect (1000baseSX full-duplex)
> status: active
> inet 10.31.5.1 netmask 0xffffff00 broadcast 10.31.5.255
> inet6 fe80::202:e3ff:fe00:1e11%ti0 prefixlen 64 scopeid 0x2
>
> But: I get a lot of
>
> ti0: discarding oversize frame (len=2090)
>
> messages, 'ping'ing with increasing packet sizes above '-s 1472'
> fails.
>
> Why? Is it not allowed to directly connect such NIC's?
Hi, I know what the problem is with this -- I will send you a patch to
try later.
--
-- Jason R. Thorpe <thorpej@zembu.com>