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Re: nslu2: two devices: one by default

On Mon, Nov 02, 2009 at 09:56:10PM +0100, Xan wrote:
> En/na Lennart Sorensen ha escrit:
>> O
>> Other than patching the kernel to change the behaviour to be more router
>> like though, about the best you can do is have a cron job or daemon
>> check the link state, and delete the route if the link goes down, and
>> add it back when the link returns.  I consider that ugly and fragile
>> though.
> How to do this script? How to test if one device is down?

'ethtool' or 'ip link' should be able to tell you if a link is up or down.
A clever tool would subscribe to netlink and get notifications of link
state changes, but that probably isn't necesary.

Len Sorensen

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