Re: Ultra5 - Potato - Multiple HME Interfaces
Suns have always done this (same MAC on all interfaces). It can confuse
the hell out of an ethernet switch. Are both interfaces plugged into the
same network? If so you need to select another MAC address. Just ifconfig
in another ethernet address:
ifconfig eth1 10.10.10.10 hw ether 00:10:5A:9E:9E:A4
If each interface is on a different network (in the ethernet sense, can be
connected by routers, but no switches or bridges) then it does not matter.
If it _did_ matter, an awfull lot of firewalls would stop working. :)
Jay D. Allen
Advisory Software Engineer
IBM® Corp., Web Servers Division, Solutions Development
15450 SW Koll Pkwy. MS: UMP2-370, Beaverton, OR 97006
Phone: (503) 578-7688 T/L 578-7688
Email: jaydallen@us.ibm.com | Jay D Allen/Beaverton/IBM
Dennis Keller <dennis@bullamanka.com> on 02/19/2001 03:18:30 PM
To: <debian-sparc@lists.debian.org>
cc:
Subject: Ultra5 - Potato - Multiple HME Interfaces
Hi -
I have an UltraSPARC 5 running debian (potato). Everything runs very
well except when I insert a second Ethernet Card. The built-in HME card is
recognized and configured properly by the kernel. The problem occurs when
I add the second hme card. The kernel assignes the first card's MAC addr
to both cards. At that point, all networking fails.
I understand that when loading the sunhme module, the kernel may retrieve
the MAC addr from openboot. Openboot seems to only know the addr for the
primary (built-in) card.
Has anyone else experienced this? Did I miss a line on the webpage that
describes how to get around this?
Thanks much,
Dennis Keller
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