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<style>.hmmessage P{margin:0px;padding:0px}body.hmmessage{FONT-SIZE: 10pt;FONT-FAMILY:Tahoma}</style><br><meta http-equiv="Content-Type" content="text/html; charset=unicode"><meta name="Generator" content="Microsoft SafeHTML"><style>.ExternalClass .EC_hmmessage P{padding:0px;}.ExternalClass body.EC_hmmessage{font-size:10pt;font-family:Tah</style><span>Hi,<br>I am using a Summit450X as a layer2 switch in my multicast network. <br>I am using PIM SM on my routers and I am running IGMP snooping on my layer2 switches.<br><br>On this 450X-switch I have a HP server runnning Linux connected to port 21.<br><br>When running some show commands (see below) it looks like the switch thinks that the <br>server is a router? And that it should get all Multicast streams? <br></span><span></span><span><br>Can anyone explain what is causing this? <br>Is my switch misconfigured or is my server doing something strange?<br></span><span>What is the criteria for being listed as a router by the switch?</span><br><span><br>Port 45 is connected to the closest router.<br><br>Any ideas of what could be causing this kind of behaviour is appreciated!<br><br>Best Regards<br>Fredrik<br><br></span><span>X450a-48tdc.19 # sh igmp snooping <br>Vlan Vid Port #Senders #Receivers <span style="font-weight: bold;">Router </span>Enable<br>-------------------------------------------------------------- <br>SN102 164 6 Yes <br> 19 2 No<br> 20 5 No<br> <span style="font-weight: bold;">21 3 Yes</span><br> 45 0 Yes</span><br><span><br>VLAN SN102 (164) Snooping=Enabled <br> Group Sender Age <br> 239.1.1.1 10.21.65.5 14 <br> 239.1.1.2 10.21.65.5 10 <br> 228.0.198.75 10.21.64.4 25 <br> 228.0.198.76 10.21.64.4 13 <br> 228.0.198.77 10.21.64.4 13 <br> 5 Incoming multicast streams <br><br> Port Host Subscribed Age <br> 19 10.21.64.2 225.10.10.10 66 <br> 19 10.21.64.2 226.10.10.10 63 <br> 20 10.21.64.3 224.2.127.254 67 <br> 20 10.21.64.3 224.2.127.255 69 <br> 20 10.21.64.3 234.5.6.7 63 <br> 20 10.21.64.3 239.1.1.1 64 <br> 20 10.21.64.3 239.1.1.2 61 <br> 21 10.21.64.4 228.0.198.75 68 <br> 21 10.21.64.4 228.0.198.76 63 <br> 21 10.21.64.4 228.0.198.77 60 <br><span style="font-weight: bold;"> 21 10.21.64.4 All Groups 69 </span><br> 45 10.21.64.1 All Groups 1 <br><br><b><br></b></span><br><hr>Connect to the next generation of MSN Messenger <a href="http://imagine-msn.com/messenger/launch80/default.aspx?locale=en-us&source=wlmailtagline" target="_blank">Get it now! </a><br /><hr />Explore the seven wonders of the world <a href='http://search.msn.com/results.aspx?q=7+wonders+world&mkt=en-US&form=QBRE' target='_new'>Learn more!</a></body>
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