https://community.extremenetworks.com/t5/extremeswitching-other/stacking-convergence-time/m-p/12097#M3125 Network is for CCTV, so there is no L3 traffic. Let me try to get the configuration file<BR /> Tue, 28 Feb 2017 15:33:00 GMT Waqas_Naeem 2017-02-28T15:33:00Z https://community.extremenetworks.com/t5/extremeswitching-other/stacking-convergence-time/m-p/12095#M3123 One of my customer established connectivity of one edge switch (X440) through two uplinks with two core switches (X460) stacked together. If any one uplink goes down, traffic shift to other uplink takes around 57 sec for them which is too much. They created LAG as well but problem remains same. Tue, 28 Feb 2017 13:25:00 GMT https://community.extremenetworks.com/t5/extremeswitching-other/stacking-convergence-time/m-p/12095#M3123 Waqas_Naeem 2017-02-28T13:25:00Z https://community.extremenetworks.com/t5/extremeswitching-other/stacking-convergence-time/m-p/12096#M3124 If you use a LAG between the single X440 and the stacked X460, there should be no interruption when one of the LAG links goes down. <BR /> <BR /> Is this pure L2 traffic?<BR /> Is there any other L3 or L2 protocol involved?<BR /> <BR /> Tue, 28 Feb 2017 15:24:00 GMT https://community.extremenetworks.com/t5/extremeswitching-other/stacking-convergence-time/m-p/12096#M3124 Ron_Huygens 2017-02-28T15:24:00Z https://community.extremenetworks.com/t5/extremeswitching-other/stacking-convergence-time/m-p/12097#M3125 Network is for CCTV, so there is no L3 traffic. Let me try to get the configuration file<BR /> Tue, 28 Feb 2017 15:33:00 GMT https://community.extremenetworks.com/t5/extremeswitching-other/stacking-convergence-time/m-p/12097#M3125 Waqas_Naeem 2017-02-28T15:33:00Z