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<base href="https://bugs.dpdk.org/">
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<body><table border="1" cellspacing="0" cellpadding="8" class="bz_new_table">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - --max-pkt-len below 1500 does not seem to to be enforced"
href="https://bugs.dpdk.org/show_bug.cgi?id=1777">1777</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>--max-pkt-len below 1500 does not seem to to be enforced
</td>
</tr>
<tr>
<th>Product</th>
<td>DPDK
</td>
</tr>
<tr>
<th>Version</th>
<td>22.11
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>UNCONFIRMED
</td>
</tr>
<tr>
<th>Severity</th>
<td>minor
</td>
</tr>
<tr>
<th>Priority</th>
<td>Normal
</td>
</tr>
<tr>
<th>Component</th>
<td>testpmd
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dev@dpdk.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>canary.overflow@gmail.com
</td>
</tr>
<tr>
<th>Target Milestone</th>
<td>---
</td>
</tr></table>
<p>
<div class="bz_comment_block">
<pre class="bz_comment_text">I observed that setting --max-pkt-len to a value lower than 1500 does not
enforce this value even though "show port info X" showed that the MTU was set
to the value passed in.
(e.g. packets larger than 800 bytes (> 1000 bytes) were still observed even
though --max-pkt-len=800 was set)
I believe that there is a default value that --max-pkt-len falls back on if the
value is too low. If this is the case, this value should also be reflected in
the port info.
</pre>
</div>
</p>
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