Gene Heskett sends Greetings to Julian Holley;
I have no idea if this is worth any more than a bucket of warm spit, but
ISTR I had a similar problem when IP-Aliasing wasn't turned on in the
make xconfig. Now, in 2.4.x kernels, it defaults to on so I'd almost
forgotten that detail.
bru will stop working for the same reason.
>Hi everyone - For ages I've been backing up me laptop files to my
>desktop with plip - no problems. The laptop running 2.2.14 (redhat 6.0
>- with custom kernel) and the desktop running 2.0.35 (redhat 5.2 stock
>kernel). I recently upgraded my desktop to the same as the laptop ie
>kernel 2.2.14 (redhat 6.0 custom kernel) and the plip stopped working.
>The problem :- packets are successfully TXed and then RXed on both
>machines - no problems. _BUT_ the packets don't seem to get through to
>the networking sub-system in the kernel because when I ping no packet on
>either machine is returned even though it is received without error !?
>The Facts :- If I reboot my desktop back to the old kernel (not entire
>redhat system 5.2 but just kernel 2.0.35) the plip works again ! - same
>machines - same cable - same 2.2.14 on laptop.
>- The cable is correct (this I have checked with a meter and complies
>with pin outs in plip source).
>- IO and irqs are correct for both machines - (triple checked !)
>- I ping one machine and watch perfect packets arrive at the other
>machine but they are not returned
>(vice versa on each machine)
>- OK I thought - lets try another computer to see who's to blame - I got
>an old 486 out and installed stock redhat 6.0 (kernel 2.2.5-14) - I get
>exactly the same problem from old desktop to new desktop and new desktop
>to laptop !!
>- OK I thought lets dig out that SUSE 7.0 live CD and boot my laptop
>from that (kernel 2.4.0) and guess what !? - I get the exact same
>- If I ping each machine with its own host name I get the expected
>- I have checked /usr/src/linux/Documentation/Changes - and both
>- my manually configured dial internet connection works fine.
>I think I am missing something big here - I'm not sure how plip passes
>packets on to the networking system I know that some sort of
>encapsulation within the ethernet system goes on - but I not sure how I
>can test to see where my the received packets are going - ie why they
>are not going to icmp system or why that system refuses to respond ?
>I'm pulling me hair here guys and I greatly appreciate any pointers.
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-- Gene Heskett, CET, UHK |Amiga A2k Zeus040, Linux @ 500mhz email gene underscore heskett at iolinc dot net #Amiga based X10 home automation program EZHome, see at:# <http://www.thirdwave.net/~jimlucia/amigahomeauto> This messages reply content, but not any previously quoted material, is © 2001 by Gene Heskett, all rights reserved. --
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This archive was generated by hypermail 2b29 : Sat Mar 31 2001 - 10:47:26 EST