Subject: Re: dhcpd(8) _cannot_ be completely disabled on an interface
To: None <firstname.lastname@example.org>
From: Michael Richardson <email@example.com>
Date: 01/13/2002 21:37:29
>>>>> "Andrew" == Andrew Brown <firstname.lastname@example.org> writes:
der> They are? I have trouble thinking of any situation not contrived for
der> the purpose where 64K interface creates occur without an intervening
der> reboot. Where did you find such? It's probably worth preserving as a
der> stress-test case....
>> Any box with a non-trivial network connection running PPPoE as termination
>> for dialup/DSL customers. An OC-3 worth of 1Mb/s channels is 100
>> channels. Average uptime for a Windoz box in use being two-three hours,
>> that is 81 days of uptime.
>> I know of vendors putting NetBSD in their systems that expect more than 81
>> days of uptime.
>> Since these ABIs tend to be hard to change, please burn the 2 bytes and
>> make it u_int32_t.
Andrew> does the interface pppoe0 get destroyed and created at each line drop,
Andrew> or just go up and down? it's only destruction and creation that cause
Andrew> the interface index to get bumped...
Ah. I see.
I'm still not clear why the 2 bytes here are so expensive, given typical
] ON HUMILITY: to err is human. To moo, bovine. | firewalls [
] Michael Richardson, Sandelman Software Works, Ottawa, ON |net architect[
] email@example.com http://www.sandelman.ottawa.on.ca/ |device driver[
] panic("Just another NetBSD/notebook using, kernel hacking, security guy"); [