Keeping unconfigured Ethernet powered on [was Re: Detecting ethernet cable plugged in]
Keeping unconfigured Ethernet powered on [was Re: Detecting ethernet cable plugged in]
- Subject: Keeping unconfigured Ethernet powered on [was Re: Detecting ethernet cable plugged in]
- From: "Peter Sichel" <email@hidden>
- Date: Tue, 2 Oct 2007 12:11:33 -0400
On 10/2/07, Josh Graessley wrote:
>You may see no active link status if there are no services using the
>interface. In this case, the interface may be powered down to save
>power. When the interface is powered down, the link is down whether or
>not the cable is connected.
I have an interface filter NKE that does Ethernet bridging and have
noticed it is necessary to configure the second Ethernet with an IP
address, to ensure the Ethernet stays up even though I don't need
it for bridging.
Is there any way to indicate an Ethernet should remain powered on
when no higher level service defined in the SCF is using it?
If there's an interface filter NKE attached to a data link,
AND the Ethernet driver for that link is set to promiscuous mode,
it seems a bit presumptuous to shut it down since somebody
(like me) could still be using it.
Thanks!
- Peter
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