https://community.extremenetworks.com/t5/extremeswitching-exos-switch/x670-link-aggregation-flapping-problem-suggestions/m-p/57511#M17042 Hi Danish,<BR /> <BR /> Port flaps can occur for any number of reasons. The general steps that will rule out common issues is listed in the article below -<BR /> <A href="https://gtacknowledge.extremenetworks.com/articles/How_To/How-to-Troubleshoot-I-O-Port-Flapping" target="_blank" rel="nofollow noreferrer noopener">https://gtacknowledge.extremenetworks.com/articles/How_To/How-to-Troubleshoot-I-O-Port-Flapping</A><BR /> <BR /> Are the same ports in the LAG flapping always or do all ports in the LAG flap? Fri, 19 Jan 2018 17:17:00 GMT Sushruth_Sathya 2018-01-19T17:17:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/x670-link-aggregation-flapping-problem-suggestions/m-p/57510#M17041 I have 2 x X670s connected with each other through a 10G x 4 aggregated port. Recently I have noticed that there is flapping of ports of this aggregated link. Any suggestions on why this may happen? Fri, 19 Jan 2018 17:05:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/x670-link-aggregation-flapping-problem-suggestions/m-p/57510#M17041 Danish_Mirza 2018-01-19T17:05:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/x670-link-aggregation-flapping-problem-suggestions/m-p/57511#M17042 Hi Danish,<BR /> <BR /> Port flaps can occur for any number of reasons. The general steps that will rule out common issues is listed in the article below -<BR /> <A href="https://gtacknowledge.extremenetworks.com/articles/How_To/How-to-Troubleshoot-I-O-Port-Flapping" target="_blank" rel="nofollow noreferrer noopener">https://gtacknowledge.extremenetworks.com/articles/How_To/How-to-Troubleshoot-I-O-Port-Flapping</A><BR /> <BR /> Are the same ports in the LAG flapping always or do all ports in the LAG flap? Fri, 19 Jan 2018 17:17:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/x670-link-aggregation-flapping-problem-suggestions/m-p/57511#M17042 Sushruth_Sathya 2018-01-19T17:17:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/x670-link-aggregation-flapping-problem-suggestions/m-p/57512#M17043 Thanks for your help. <BR /> <BR /> It started with one port and then all ports started flapping. Fri, 19 Jan 2018 17:17:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/x670-link-aggregation-flapping-problem-suggestions/m-p/57512#M17043 Danish_Mirza 2018-01-19T17:17:00Z