Re: Ethernet NIC dual homing

Jonathan Lundell
2001-10-30T02:56:23Z

At 6:33 PM -0800 10/29/01, Dan Hollis wrote:
>On Mon, 29 Oct 2001, Christopher Friesen wrote:
>> Are there issues with using MII to detect link state? I thought
>>it was fairly
>> reliable...
>
>It doesn't work to detect link state through bridging device (say, bridged
>ethernet over T3). The T3 might go down, but your MII link to the local
>router will remain "up", so you will never know about the loss of link and
>your packets will happily go into the void...

ARP isn't going to do much for you once the failure is beyond the
local segment, is it?
--
/Jonathan Lundell.