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<div class="moz-cite-prefix">On 2013-04-16 11:27, Erik Bais wrote:<br>
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cite="mid:862A73D42343AE49B2FC3C32FDDFE91C4896B9D2@e2010-mbx-c1n1.exchange2010.nl"
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi
Marcin,
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">If
the hardware FDB is empty, you either do something specific
which results in software switching only …
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Which
isn’t very likely …
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">You
should see at least some entries in the HW FDB … if the
switches are linked together, and you have something like
LLDP or EDP running, you should at least see the other
switch their FDB entries. <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">What
are you trying to do with the devices and what is the config
?
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">And
are you doing something specific in regards that you have
disabled MAC learning for instance ? or enabled port
security (1 mac per port limitation security feature) ? </span></p>
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<br>
Ok, I got it. Hopefully I have additional x650 to make a test...<br>
<br>
so - on one of the vlans I had:<br>
disable learning vlan "monitoring-sask-in"<br>
<br>
This is enough to turn off hardware based learning...<br>
enabling learing on that vlan solved the issue.<br>
<br>
Now I'll see if level of unknown-unicasts will go down...<br>
<br>
Regards,<br>
Marcin<br>
<br>
<br>
<blockquote
cite="mid:862A73D42343AE49B2FC3C32FDDFE91C4896B9D2@e2010-mbx-c1n1.exchange2010.nl"
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Erik
Bais
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
extreme-nsp [<a class="moz-txt-link-freetext" href="mailto:extreme-nsp-bounces@puck.nether.net">mailto:extreme-nsp-bounces@puck.nether.net</a>]
<b>On Behalf Of </b>Marcin Kuczera<br>
<b>Sent:</b> dinsdag 16 april 2013 11:11<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:extreme-nsp@puck.nether.net">extreme-nsp@puck.nether.net</a><br>
<b>Subject:</b> [e-nsp] x650 - hardware FDB table empty<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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style="mso-element:frame;mso-element-frame-hspace:1.8pt;mso-element-wrap:around;mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column;mso-height-rule:exactly">hello,<br>
<br>
At the moment I have 3 sites with x650 switch.<br>
All of them running 15.3.1.4 v1531b4-patch1-3<br>
<br>
In main site, the problem is that hardware fdb table
is not used !?<br>
Hardware-learned entries:<br>
MAC VlanId Flags Port HIT VPLS<br>
===================================================<br>
Hardware-learned In-use count: 0<br>
Num of msgs from FDB : 2258820<br>
<br>
on the other sites, this table contains entries
equal to what's on show fdb stats.<br>
I was trying to compare configs, there were some
dhcp-snooping entries for 2 vlans, but removing them
didn't help out (or maybe it requires reload ?)<br>
<br>
My main problem is that at the level of ~16k mac
addresses I have a lot of unknow-unicast traffic
that shouldn't be there.<br>
<br>
oh - the only function that is in central site is -
mirroring.<br>
<br>
Anyone knows how to turn on hardware fdb table ?<br>
<br>
Regards,<br>
Marcin<o:p></o:p></p>
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