Troubles with aliased interfaces

Martin Mares mj at ucw.cz
Mon Dec 13 00:24:30 CET 2004


Hello!

> Hmmm, IP aliases causes always some trouble. Could you please explain it 
> better? Can you send sample of config and some 'show...' etc?

The main problem is that any Linux kernel newer than 2.0.x doesn't have ANY
interface aliases. The kernel supports secondary addresses of interfaces
and for ancient tools like ifconfig they are emulated as interface aliases,
but it's just an emulation. BIRD sees secondary addresses as secondary
addresses.

				Have a nice fortnight
-- 
Martin `MJ' Mares   <mj at ucw.cz>   http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
Lisp Users: Due to the holiday, there will be no garbage collection on Monday.



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