topic fabric extend in Analytics & Visibility https://community.extremenetworks.com/t5/analytics-visibility/fabric-extend/m-p/81240#M132 If isp supports MTU greater than 1594, without ONA, how to configure vsp4k? Fri, 23 Aug 2019 20:32:12 GMT huhuan 2019-08-23T20:32:12Z fabric extend https://community.extremenetworks.com/t5/analytics-visibility/fabric-extend/m-p/81240#M132 If isp supports MTU greater than 1594, without ONA, how to configure vsp4k? Fri, 23 Aug 2019 20:32:12 GMT https://community.extremenetworks.com/t5/analytics-visibility/fabric-extend/m-p/81240#M132 huhuan 2019-08-23T20:32:12Z Re: fabric extend https://community.extremenetworks.com/t5/analytics-visibility/fabric-extend/m-p/81241#M133 Afaik, 4K has limitation that it cannot VxLAn encap. <BR /> <BR /> So ONA is a must when you talk about FE and 4K, irrespective of what the MTU is. <BR /> <BR /> On the other hand, 7K/8K can do VxLAn encap and don't need ONA. <BR /> <BR /> So, <B>you cannot configure 4K to have FE without ONA</B>. Thu, 29 Aug 2019 15:45:39 GMT https://community.extremenetworks.com/t5/analytics-visibility/fabric-extend/m-p/81241#M133 Kali 2019-08-29T15:45:39Z