Re: your mail
From: "Mike Beattie" <mjb@debian.org>
> On Tue, Mar 18, 2003 at 10:37:00AM -0400, Derek Broughton wrote:
> > > RTFM://interfaces(5) - around line 70 or so.
> >
> > He appears to be using pcmcia nics, in which case changing anything in
> > ../interfaces won't do him a bit of good.
>
> What a load of shit. I use /e/n/interfaces for all of my PCMCIA cards, have
> never had to modify /etc/pcmcia/*.opts .
>
> Go read some docs yourself, before commenting. (specifically, the last 16 or
> so lines of /etc/pcmcia/network.opts)
Geez. I'm taking a heck of a lot of abuse for a fairly reasonable line of
response. I'd be taking less if your mail client hadn't, apparently
auto-inserted the subject "your mail". Then I got a nasty response off-list for
using that subject. Too bad, Angela, but I don't like changing subjects
mid-thread.
However, this is important enough to me that I'm willing to still be friendly
about it.
As near as I can tell, when you put stuff in /etc/network/interfaces, it gets
executed at init time, before pcmcia gets started. If your card is already
inserted, then when pcmcia _does_ start, ifup doesn't get executed. Perhaps I'm
misconfigured, but this is what's happening to me. I try to start firewall
rules in /etc/network/interfaces and they don't start at power-up, but they _do_
start if I remove and reinsert the card. Now, looking at the file I see two
potential problems:
1) it does "pre-up /etc/pcmcia/network start" - isn't this a bit circular, when
/etc/pcmcia/network.opts does "/sbin/ifup"?
2) the firewall script runs in a "pre-up" as well. It seemed like a good idea
at the time, because I was thinking I wanted the firewall up before the link was
really active - but now that I think of it, I'm not sure dhclient will have run
before the firewall script starts - so I'll have to rtfm and check that. If I'm
right on this, it would explain why resetting the card will work, because dhcp
always gets the same IP here, anyway.
derek
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