Dig for link-local

Phil Mayers p.mayers at imperial.ac.uk
Mon Mar 25 17:13:26 UTC 2013

On 25/03/13 16:20, Kevin Darcy wrote:
> Works fine for me on RedHat 5.7 without a scope-identifier in
> /etc/resolv.conf. I notice, however, that the stock dig
> (9.3.6-P1-RedHat-9.3.6-16.P1.el5, yeah, I know I should upgrade) shows
> the scope identifier in its output:
> ;; SERVER: fe80::250:56bf:fe8d:47b%2#53(fe80::250:56bf:fe8d:47b)
> so it must be picking that up somehow along the way.

During testing I observed that the *first* dig to a previously-unused 
link-local dest failed without a scope. After using a scope once, the LL 
worked without a scope for a short period of time.

I didn't dig into why, but kernel routing cache seems the most likely 

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