1. Try to install NFS Service on NAS but suffer mount connection timeout.
Status
(a) NAS DSM GUI, Client CentOS
(b) Server / Client can ping each other.
(c) #showmount -e 140.135.12.20 (normal) (d) #mount -t nfs 140.135.12.20:/volume1/NFS /mnt/nfsdir (NG)Possible cause
(a) Server / Client UID, PID mismatch. >> Try same UID, PID in client side.
(b) Firewall on client side. >> check iptables port(111 ,2049 and others) setting.
(c) Check /etc/exports file setting on server side.
2. The new server rail did not fit the old rack style.
3.SDN Homework on real environment. Lab1 ok, Lab2 NG.
4. Read "P4: Programming Protocol-Independent Packet Processors" (99%)