<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi,<div>If the platforms support it do q-in-q to the routers.</div><div><br></div><div>So, take the dot1q trunk from the carrier, wrap it in an outer vlan and push that to the router. The router then needs to understand how to unpack q-in-q. </div><div><br></div><div>(Here's _an_ example on the 10k, but I'm sure more than 30sec Googling will find what you want.</div><div><br></div><div><a href="http://www.cisco.com/c/en/us/td/docs/routers/10000/10008/feature/guides/qinq.html">http://www.cisco.com/c/en/us/td/docs/routers/10000/10008/feature/guides/qinq.html</a> )</div><div><br></div><div>MMC</div><div><br></div><div><br><div><div><div>On 15 Dec 2013, at 7:20 pm, James Mcintosh <<a href="mailto:james.mcintosh@rocketmail.com">james.mcintosh@rocketmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div><div style="background-color: rgb(255, 255, 255); font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"><div>Hi Noggers,</div><div><br></div><div style="font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;">What are people doing about hitting switch VLAN limits? We terminate a lot of Ethernet services from several carriers. Our Cisco switch gear is great but limited to 128 spanning tree VLAN sessions and 1,000 VLANs.</div><div style="font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><br></div><div style="font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;">We've long since passed the <span style="font-size: 12pt;">128 per-VLAN spanning tree
limit. We're now getting closing in on 1,000 VLANs.</span></div><div style="font-size: 12pt; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><span style="font-size: 12pt;"><br></span></div><div style="font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><span style="font-size: 12pt;">I'm sure there are service providers on list who are much larger than we are and have solved this problem.</span></div><div style="font-size: 12pt; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><span style="font-size: 12pt;"><br></span></div><div style="font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><span style="font-size: 12pt;">Would love to hear thoughts on the best approach.</span></div><div style="font-size: 12pt; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><span style="font-size: 12pt;"><br></span></div><div style="font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><span style="font-size: 12pt;">Just to give a bit more detail - we aggregate all our upstream carrier circuits on the Cisco switch then trunk the customer VLANs to the appropriate router for termination.</span></div><div style="font-size: 12pt; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><br></div><div style="font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;">-James</div></div></div>_______________________________________________<br>AusNOG mailing list<br><a href="mailto:AusNOG@lists.ausnog.net">AusNOG@lists.ausnog.net</a><br>http://lists.ausnog.net/mailman/listinfo/ausnog<br></blockquote></div><br></div></div></body></html>