On Mon, 19 Jun 2000, Robin Gilks wrote about, Kernel IP routing bug:
> Greeting all
>
> Has anyone found a fix yet for the routing bug in 2.2 kernels that I
> highlighted about 5 months ago?
>
> At the time there was a lot of prattle about netmasks (total waste of space)
> and such where a simple point-to-point route could not be established, never
> mind a subnet.
>
> Summary
>
> A packet comes into an interface and is routed back out of the same interface
> in order to complete its journey. IT DOES NOT WORK. The code assumes that the
> destination is on the same network segment (I think) so it refuses to send it
> out the same interface.
>
> In case doubters didn't get that IT DOES NOT WORK.
>
> Yes - forward in /proc is enabled (I may be stupid sometimes but not that
> stupid) and in any case it forwards on the other 4 interfaces.
>
> Yes - I've checked that reverse path filtering (/proc....rp_filter) is turned
> on, turned off, disabled with CONFIG_IP_ADVANCED_ROUTER, enabled with it, been
> set to all values documented.
>
> So...
>
> Any ideas at all or does everyone else like me just not have the time to find
> the solution by rewriting the code!!
AFAI can see you are correct, i cant get our local node to retransmit the
packets either.
What i see is. (bogus IP#'s used)
If you want listen traces let me know.
44.123.123.1 44.123.123.2 both have the same qrg and use 44.123.123.3 as
thier node.
44.123.123.1 and 44.123.123.2 dont hear each others packets, so they set
routes VIA 44.123.123.3 However 44.123.123.3 does not retransmit the
packets.
Are we talking along the same lines.???
An American stopped in his cadilac years ago one Sunday afternoon when i
was sitting on the Town Hall bench in my native town of Buckingham, he
asked the way to "Higwaycombe" i said i dont know that place, he said,
Hold on there buddy, i'll get my road map.
He was asking the way to "High Wycombe".
I think only you and your Towns folk will understand that.
I found it rather funny.
>
> --
>
> 73 de Robin. G8ECJ Hub manager gb7ipd
>
> NTS: G8ECJ@GB7TVG.#42.GBR.EU AmprNet: [EMAIL PROTECTED]
> Internet: [EMAIL PROTECTED] http://www.gb7ipd.freeserve.co.uk/
> Shack: (+44) 1628 533311 Fax: (+44) 1628 850165
> Club pages (g4xyw modem etc) at http://www.tvipug.freeserve.co.uk
--
Regards Richard
[EMAIL PROTECTED]
http://people.zeelandnet.nl/pa3gcu/
