[SunHELP] Gigabit Ethernet?

[sunhelp at sunhelp.org]

There is only one card, so you only need one mac address. Virtual addresses
HAVE to have the mac address of the card they are related to.

The reason you need seperate mac addresses is if you use two physical cards
on the same switch, the switch would otherwise be unable to work out which
physical card to send the traffic.

-Colin Humphreys

> -----Original Message-----
> From: Kevin Stevens [mailto:Kevin_Stevens at pursued-with.net]
> Sent: Thursday, 14 February 2002 10:11 AM
> To: sunhelp at sunhelp.org
> Subject: Re: [SunHELP] Gigabit Ethernet?
> 
> 
> On Wed, 13 Feb 2002, Larry Snyder wrote:
> 
> > If they come up with the same mac address on two different 
> ports on the
> > same switch (or vlan), you'll drive the switch nuts trying 
> to decide which
> > port is right.  ifconfig -a as root will tell you if this 
> is the case,
> > and is a way to change it.  It's also an option in OBP.
> > Good luck,
> > -ls-
> 
> In this same vein, I need to assign a virtual interface to my 
> 3Com NIC in
> an x86 Solaris box on the same network as the primary 
> interface.  First,
> there wasn't a local-mac-address variable set at all per 
> eeprom - I set it
> anyway.  I can create secondary interfaces, but the ifconfig 
> ether option
> won't accept alternate MAC addresses.  Just for the hell of 
> it I created a
> secondary and addressed it with another IP on the same network.  It
> doesn't seem to be freaking out, but for the life of me I 
> don't understand
> why.
> 
> KeS
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