https://community.netapp.com/t5/Network-and-Storage-Protocols/NFS-with-vfiler-and-vfiler-dr/m-p/112680#M8084 Communication is between two IPs; once FQDN was resolved to IP it becomes irrelevant. If IP changed, host must again resolve FQDN to new IP and reestablish connection. Old connection will appear hung. Wed, 18 Nov 2015 05:16:47 GMT aborzenkov 2015-11-18T05:16:47Z https://community.netapp.com/t5/Network-and-Storage-Protocols/NFS-with-vfiler-and-vfiler-dr/m-p/112654#M8082 <P>Just a question to the community,</P> <P>&nbsp;</P> <P>If we are mounting hard mounts with intr and we have a vfiler and then activate a vfiler DR- do all the clients have to unmount and remount nfs? &nbsp;ANd if so, why? &nbsp;The ip is different from Prod and DR? &nbsp;But, the NFS clients are mounting FQDN</P> Wed, 04 Jun 2025 22:44:59 GMT https://community.netapp.com/t5/Network-and-Storage-Protocols/NFS-with-vfiler-and-vfiler-dr/m-p/112654#M8082 JGPSHNTAP 2025-06-04T22:44:59Z https://community.netapp.com/t5/Network-and-Storage-Protocols/NFS-with-vfiler-and-vfiler-dr/m-p/112680#M8084 Communication is between two IPs; once FQDN was resolved to IP it becomes irrelevant. If IP changed, host must again resolve FQDN to new IP and reestablish connection. Old connection will appear hung. Wed, 18 Nov 2015 05:16:47 GMT https://community.netapp.com/t5/Network-and-Storage-Protocols/NFS-with-vfiler-and-vfiler-dr/m-p/112680#M8084 aborzenkov 2015-11-18T05:16:47Z