https://community.netapp.com/t5/ONTAP-Discussions/cluster-switches-with-two-cluster/m-p/441384#M41729 <P>Hi there, it is not supported to use the same cluster switches for two clusters. To be safe, you should do the migrations one cluster at a time.</P><P>&nbsp;</P><P>If you have no other choice, configuring the switches to split each cluster up into seperate VLANs so that they do not see each other's traffic, and trunking the VLANs over the ISLs between them may provide functionality, but it would not be supported.</P> Thu, 02 Feb 2023 08:44:14 GMT AlexDawson 2023-02-02T08:44:14Z https://community.netapp.com/t5/ONTAP-Discussions/cluster-switches-with-two-cluster/m-p/441382#M41727 <P>hello,</P><P>&nbsp;</P><P>- first new fas will join to exist cluster1 vol move migrate data<BR />- second new fas will join to exist cluster2 vol move migrate data with above same cluster switches<BR />- after cluster2 migrate finish (around 2 to 3 weeks), clutser will change to switchless</P><P>&nbsp;</P><P>could it work for temp use vol move data mirgate?</P> Wed, 04 Jun 2025 09:53:19 GMT https://community.netapp.com/t5/ONTAP-Discussions/cluster-switches-with-two-cluster/m-p/441382#M41727 chinchillaking 2025-06-04T09:53:19Z https://community.netapp.com/t5/ONTAP-Discussions/cluster-switches-with-two-cluster/m-p/441384#M41729 <P>Hi there, it is not supported to use the same cluster switches for two clusters. To be safe, you should do the migrations one cluster at a time.</P><P>&nbsp;</P><P>If you have no other choice, configuring the switches to split each cluster up into seperate VLANs so that they do not see each other's traffic, and trunking the VLANs over the ISLs between them may provide functionality, but it would not be supported.</P> Thu, 02 Feb 2023 08:44:14 GMT https://community.netapp.com/t5/ONTAP-Discussions/cluster-switches-with-two-cluster/m-p/441384#M41729 AlexDawson 2023-02-02T08:44:14Z