My first post here. I have an issue that seems to have me badly stumped: we have an NFS mount where were are trying to do AD group lookups that are approaching the 1024 limit. We have enabled RFC-2307bis support, and increased max groups to 1024. Yet, our lookups are still stuck at around 236 groups or so.
We are using NFSv4, and we did reboot the client node. We also conducted the same exercise on the NFS client with the lookups done over local file systems (with NS-SWITCH set to 'sss') without any issue.