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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'>HI Simon,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'>Im not sure how to configure the equivalent of spoke or mesh on the juniper, but at least on this 3-node topology, the two mesh-sdps on the 7750 will never allow traffic to pass between them, so you will never have a loop. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'>Also, as long as pc and server are communicating bidirectionally, you should have mac-learning and no flooding. If only the server is sending traffic and the client’s MAC has never been learnt, the MX(A) would flood to the 7750 and the MX-B. If the MX-B is configured as a mesh as well (which all vplses by default should) then you will not have any further propagation from MX-B to 7750.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'>Unless you’re trying to configure the VPLS on the MX as H-VPLS (with the equivalent of Spoke-sdps in ALU-speak) you should be ok.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'>Do you actually have a problem or is it something you’re checking in advance?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'>Best Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-family:"Trebuchet MS","sans-serif";color:#1F497D'><img width=276 height=26 id="Picture_x0020_1" src="cid:image001.gif@01CC8F3F.203A8740" alt=Corporate-sig-logo></span><span style='font-size:11.0pt;font-family:"Trebuchet MS","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'>DIEGO GARCÍA DEL RIO<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#6639B7'>ALCATEL-LUCENT<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#6639B7'>IPD PRODUCT MANAGEMENT<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#6639B7'>777 E. Middlefield Rd<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#6639B7'>Mountain View CA 94043<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#6639B7'>Mobile: +1 (415) 439-9420<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#6639B7'>OnNet: 2852-2726<o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#6639B7'>diego.garcia_del_rio@alcatel-lucent.com<o:p></o:p></span></b></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0mm 0mm 0mm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> alcatel-nsp-bounces@puck.nether.net [mailto:alcatel-nsp-bounces@puck.nether.net] <b>On Behalf Of </b>simon lee<br><b>Sent:</b> Thursday, 20 October 2011 3:23 PM<br><b>To:</b> alcatel-nsp@puck.nether.net<br><b>Subject:</b> [alcatel-nsp] 7750SR and Juniper MX480 VPLS full mesh interopt<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Hi All,<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Got question regarding the following VPLS setup:<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>7750SR(A) <--------------->MX480(A)<---------------->MX480(B)<----------------->7750SR(A)<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> mesh-sdp mesh-sdp<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>- All PE suppose to be fully mesh in a triangular formation. <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>- 7750SR VPLS service configured using mesh sdp with the 2 Juniper MX480.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>- Server at MX480(A), while client PC at 7750SR.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Question is, when client PC wish to establish connection with server, will there be a loop or mac-move trigger on 7750SR? Will the mesh-mesh violation between MX480(B) and 7750SR take place hence deny any traffic traverse via that LSP tunnel and instead traffic will proceed thru MX480(A)? <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Appreciate if anyone could help and comment.... Thanks.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Regards,<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Simon<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div></div></div></body></html>