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<body class='hmmessage'><div dir='ltr'><br>the 4500 is only learning <span style="color: rgb(68, 68, 68); font-size: 15px; line-height: 21.2999992370605px; background-color: rgb(255, 255, 255);">0024.9798.3e25</span><div><font color="#444444"><span style="font-size: 15px; line-height: 21.2999992370605px;"><br></span></font></div><div><font color="#444444"><span style="font-size: 15px; line-height: 21.2999992370605px;"><br></span></font><div><hr id="stopSpelling">Subject: Re: [afnog] Difference between mac address on interface and mac address in the arp table<br>To: chrismuhirwa@hotmail.com; afnog@afnog.org<br>From: mark.tinka@seacom.mu<br>Date: Wed, 18 Mar 2015 09:00:23 +0200<br><br>
<br>
<br>
<div class="ecxmoz-cite-prefix">On 17/Mar/15 19:18, Christian M wrote:<br>
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<blockquote cite="mid:DUB128-W75C972544AEB2359AB4285D1030@phx.gbl">
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<div dir="ltr">Hello.
<div>We are trying to set up an Ethernet over SDH link across
multiple ADMs (from different vendors) linking on one end a
cisco 6500 and on another a cisco 4500. We have been
successful in getting the MAC address learned across the end
points of the link. </div>
<div><br>
</div>
<div>However on the c4500, the mac address learned is the one on
the physical interface of the c6500 (the same as the one on
show interface) which is different from the one on the arp
table. I have put the show command below on the c6500 which is
on my end.</div>
<div><br>
</div>
<div>
<div><font face="Courier New, sans-serif" size="2">GigabitEthernet4/14
is up, line protocol is up (connected)</font></div>
<div><font face="Courier New, sans-serif" size="2"> Hardware
is C6k 1000Mb 802.3, address is <span style="background-color:rgb(255, 255, 0);">0024.9798.3e25</span>
(bia 0024.9798.3e25)</font></div>
</div>
<div><font face="Courier New, sans-serif" size="2"><br>
</font></div>
<div><font face="Courier New, sans-serif" size="2"><br>
</font></div>
<div>
<div><font face="Courier New, sans-serif" size="2">Protocol
Address Age (min) Hardware Addr Type
Interface</font></div>
<div><font face="Courier New, sans-serif" size="2">Internet
10.10.10.2 - <span style="background-color:rgb(255, 255, 0);">0024.97d2.bf00</span>
ARPA GigabitEthernet4/14</font></div>
<div><font face="Courier New, sans-serif" size="2">Internet
10.10.10.1 0 Incomplete ARPA</font></div>
</div>
<div><br>
</div>
<div>
<div><font face="Courier New, sans-serif" size="2">interface
GigabitEthernet4/14</font></div>
<div><font face="Courier New, sans-serif" size="2"> ip address
10.10.10.2 255.255.255.252</font></div>
</div>
<div><br>
</div>
<div><br>
</div>
<div>I need help figuring out why the c4500 on the other end of
the EoS link is learning 0024.97d2.bf00 instead
of 0024.97d2.bf00 (which is in arp table) in how I can make
this work.</div>
</div>
</blockquote>
<br>
Is the 4500 learning 0024.9798.3e25 or 0024.97d2.bf00?<br>
<br>
Mark.<br></div></div> </div></body>
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