On Wed, 16 Aug 2006 23:50:26 +0100
Ritesh Taank <[EMAIL PROTECTED]> wrote:
> Hi there,
>
> I am currently using netem that has been packaged with my linux kernel
> 2.6.17 (as part of the Knoppix 5.0.1 Boot CD), and the 'corrupt'
> parameter is not being recognised as a valid argument.
>
> Having read many posts online, it appears that the Packet Corruption
> feature should be supported from kernel versions 2.6.16 onwards.
>
> So I was wondering why my version does not support the corrupt feature?
>
> Are there any kernel versions out there that do support it?
>
> I was wondering if there was a way to patch my existing kernel do enable
> the corruption feature?
>
> Any help/guidance is much appreciate.
>
> Thanks in advance too.
>
> Ritesh
It was introduced with this change set.
Author: Stephen Hemminger <[EMAIL PROTECTED]> 2005-12-21 19:03:44
Committer: David S. Miller <[EMAIL PROTECTED]> 2006-01-03 13:11:05
Parent: aa8751667dcd757dd9a711b51140adf181501c44 ([PKT_SCHED]: sch_netem:
correctly order packets to be sent simultaneously)
Child: 6d037a26f08711a222ed0d3d12b09e93eed7d3e8 ([PKT_SCHED]: Qdisc drop
operation is optional)
[PKT_SCHED] netem: packet corruption option
Here is a new feature for netem in 2.6.16. It adds the ability to
randomly corrupt packets with netem. A version was done by
Hagen Paul Pfeifer, but I redid it to handle the cases of backwards
compatibility with netlink interface and presence of hardware checksum
offload. It is useful for testing hardware offload in devices.
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
More likely the version if iproute2 utilities included with Knoppix is not
up to date and doesn't understand the command line option.
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