From: "Kaustubh Phanse" <kphanse@vt.edu>
To: lartc@vger.kernel.org
Subject: [LARTC] Marking packets with IP Options field
Date: Tue, 28 Jan 2003 20:37:46 +0000 [thread overview]
Message-ID: <marc-lartc-104378595224038@msgid-missing> (raw)
Hello!
In our experiment, we are trying to mark IP packets at a source host. Some
of these packets have a 28-byte "IP Options" field, hence a 48-byte IP
header. We observed (using ethereal) that the tc script at the source
appropriately marks the packets that DO NOT have an "IP Options" field
(i.e., regular 20 byte header), however, all the packets with the "IP
Options" field do not get marked! The DSCP remains 0x00. We are using u32
filter to classify the packets, dsmark for marking, and HTB to schedule the
packets. Is there any such known problem for packets with "IP Options"
field??
Any help in this matter is much appreciated.
Thank you
regards
Kaustubh
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next reply other threads:[~2003-01-28 20:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-28 20:37 Kaustubh Phanse [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-02-03 18:27 [LARTC] Marking packets with IP Options field Kaustubh Phanse
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