Re: Poor TCP throughput in 2.1.103

Shaw Carruthers (shaw@shawc.demon.co.uk)
Sun, 24 May 1998 12:09:36 +0100 (GMT+0100)


On 24 May 1998, Andi Kleen wrote:

>
> Try to define CONFIG_RTNL_OLD_IFINFO in net/ipv4/fib_semantics.c
>
> It is a bit unfortunate that TCP needs this setting, it would be better if
> it would work without user tuning.
>

The problem is suspected to lie with my ISP's Ascend servers, using larger
( > 12k ) windows causing them to stall the TCP pipeline. So many other
people could have the same problem as Ascends are very popular.

Many thanks for the tip, which solves the problem.

I did:

--- /usr/src/linux/include/linux/rtnetlink.h~ Thu May 21 10:40:27 1998
+++ /usr/src/linux/include/linux/rtnetlink.h Sat May 23 12:43:53 1998
@@ -5,7 +5,7 @@
#include <linux/netlink.h>

#define RTNL_DEBUG 1
-/* #define CONFIG_RTNL_OLD_IFINFO 1 */
+#define CONFIG_RTNL_OLD_IFINFO 1


/****

--
Shaw Carruthers - shaw@shawc.demon.co.uk
London SW14 7JW UK
This is not a sig( with homage to Magritte).
  

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