[f-nsp] ICX 6610 not learning mac addresses any more
Tudor Capatina <[email protected]> Thu, 14 Sep 2023 13:03:56 +0000 (UTC)
| Newsgroups | gmane.network.nsp.foundry |
|---|---|
| Message-ID | <[email protected]> |
--===============3013848853519458379== Content-Type: multipart/alternative; boundary="----=_Part_1500320_1940423474.1694696636104" ------=_Part_1500320_1940423474.1694696636104 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hey there got a weird issue on the above mentioned switches and wondering if anyone h= as seen something similar.=20 A server with mac-add MAC1 is connected to an ICX 6610 SW1. The server is g= enerating traffic. SW1 has a mac-add table of around 10k:Total active entri= es from all ports =3D 10368 And it does not learn MAC1. However SW1 is connected to another ICX SW2 wit= h a smaller mac-address table (5k) which learns MAC1 from the link to SW1.T= he problem is that SW1 will treat all traffic to MAC1 as unknown unicast an= d flood it on all it's ports. The issue is not with a specific mac-address = but with several.Mac learning timers are default all over the place. Mac le= arning is not disabled anywhere.=20 I was suspecting some cam profile but cannot see such an option on these de= vices.=20 In theory there should be space to allow learning of more mac-addresses: show default values sys log buffers:50=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 mac age = time:300 sec=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 telnet sessions:5=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0 System Parameters=C2=A0=C2=A0=C2=A0 Default=C2=A0=C2=A0=C2=A0 Maximum=C2=A0= =C2=A0=C2=A0 Current=C2=A0 =C2=A0 - - - - =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=20 mac=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 32768=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 32768=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 32768=C2=A0=C2=A0=C2=A0 =C2=A0 Any ideas are welcome=20 ThanksTudor ------=_Part_1500320_1940423474.1694696636104 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <html><head></head><body><div class=3D"yahoo-style-wrap" style=3D"font-fami= ly:verdana, helvetica, sans-serif;font-size:13px;"><div dir=3D"ltr" data-se= tdir=3D"false">Hey there</div><div dir=3D"ltr" data-setdir=3D"false"><br></= div><div dir=3D"ltr" data-setdir=3D"false">got a weird issue on the above m= entioned switches and wondering if anyone has seen something similar. <br><= /div><div dir=3D"ltr" data-setdir=3D"false">A server with mac-add MAC1 is c= onnected to an ICX 6610 SW1. The server is generating traffic. SW1 has a ma= c-add table of around 10k:</div><div dir=3D"ltr" data-setdir=3D"false"><div= >Total active entries from all ports =3D 10368<br><div>And it does not lear= n MAC1. However SW1 is connected to another ICX SW2 with a smaller mac-addr= ess table (5k) which learns MAC1 from the link to SW1.</div><div dir=3D"ltr= " data-setdir=3D"false">The problem is that SW1 will treat all traffic to M= AC1 as unknown unicast and flood it on all it's ports. The issue is not wit= h a specific mac-address but with several.</div><div dir=3D"ltr" data-setdi= r=3D"false">Mac learning timers are default all over the place. Mac learnin= g is not disabled anywhere. <br></div><div dir=3D"ltr" data-setdir=3D"false= "><br></div><div dir=3D"ltr" data-setdir=3D"false">I was suspecting some ca= m profile but cannot see such an option on these devices. <br></div><div di= r=3D"ltr" data-setdir=3D"false">In theory there should be space to allow le= arning of more mac-addresses:</div><div dir=3D"ltr" data-setdir=3D"false"><= br></div><div dir=3D"ltr" data-setdir=3D"false"><div>show default values<br= >sys log buffers:50 mac age= time:300 sec telnet sessions:5 &n= bsp; <br><br>System Parameters &nb= sp; Default Maximum Current  = ;<br>- - - - <br>mac = &nb= sp; 32768 32768 = 32768 <br><div><br></div><div dir=3D"ltr" da= ta-setdir=3D"false">Any ideas are welcome <br></div><div dir=3D"ltr" data-s= etdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"false">Thanks</di= v><div dir=3D"ltr" data-setdir=3D"false">Tudor<br></div></div><div><br></di= v></div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D"ltr" d= ata-setdir=3D"false"><br></div></div><div><br></div></div><div dir=3D"ltr" = data-setdir=3D"false"><br></div></div></body></html> ------=_Part_1500320_1940423474.1694696636104-- --===============3013848853519458379== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ foundry-nsp mailing list [email protected] http://puck.nether.net/mailman/listinfo/foundry-nsp --===============3013848853519458379==--