Re: [PATCH] linux/net/ipv4/arp.c, kernel 2.0.36 (& 2.0.37-pre9)

Pavel Machek (pavel@bug.ucw.cz)
Sun, 28 Mar 1999 13:19:39 +0200


hi!

> > Description: Fixes problem with external loopback, using crossed route entries.
> > Version: 2.0.36 (& 2.0.37-pre9)
> > Testing: Connected two NICs together, using an external cross-over cable,
> > swapped route entries (to force packets out the opposite interfaces),
> > and then issued pings, telnets, & ftps to both addreseses. Unplugged
> > the cable to verify pings, etc. were appropriately halted.
> > Request: Please CC bmoyle@redcreek.com with any comments/feedback.
>
> The kernel knows perfectly well that its silly to send packets to yourself
> via external interfaces. This patch isn't needed. The bug is your routing
> table and trying to set up this configuration.

Alan, this bitten me long time ago, too. External loopback is very
nice for testing...

Pavel

-- 
I'm really pavel@atrey.karlin.mff.cuni.cz. 	   Pavel
Look at http://atrey.karlin.mff.cuni.cz/~pavel/ ;-).

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