<html><head></head><body><div class="yahoo-style-wrap" style="font-family:verdana, helvetica, sans-serif;font-size:13px;"><div dir="ltr" data-setdir="false">Hey there</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">got a weird issue on the above mentioned switches and wondering if anyone has seen something similar. <br></div><div dir="ltr" data-setdir="false">A server with mac-add MAC1 is connected to an ICX 6610 SW1. The server is generating traffic. SW1 has a mac-add table of around 10k:</div><div dir="ltr" data-setdir="false"><div>Total active entries from all ports = 10368<br><div>And it does not learn MAC1. However SW1 is connected to another ICX SW2 with a smaller mac-address table (5k) which learns MAC1 from the link to SW1.</div><div dir="ltr" data-setdir="false">The problem is that SW1 will treat all traffic to MAC1 as unknown unicast and flood it on all it's ports. The issue is not with a specific mac-address but with several.</div><div dir="ltr" data-setdir="false">Mac learning timers are default all over the place. Mac learning is not disabled anywhere. <br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I was suspecting some cam profile but cannot see such an option on these devices. <br></div><div dir="ltr" data-setdir="false">In theory there should be space to allow learning of more mac-addresses:</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><div>show default values<br>sys log buffers:50 mac age time:300 sec telnet sessions:5 <br><br>System Parameters Default Maximum Current <br>- - - - <br>mac 32768 32768 32768 <br><div><br></div><div dir="ltr" data-setdir="false">Any ideas are welcome <br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Thanks</div><div dir="ltr" data-setdir="false">Tudor<br></div></div><div><br></div></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div></div><div><br></div></div><div dir="ltr" data-setdir="false"><br></div></div></body></html>