mount -t cifs //nas.domain.local/share /mnt/archive

Host is down.

ping nas.domain.local
 ping ip
 smbclient //nas.domain.local/share

smbclient -L <server_ip> -U <username> -d 256

protocol negotiation failed: NT_STATUS_CONNECTION_RESET

smbclient -L <server_ip> -U <username> -m SMB2

mount -t cifs //<server_ip>/<share> /mnt/<mountpoint> -o vers=2.0

mount error(112): Host is down

# Allow these IP Addresses to connect:
hosts allow = 127.0.0.1 127.0.1.13 127.0.1.63

# Anything else not allowed is, by default, rejected
hosts deny = ALL

mount -t cifs -o rw,netbiosname=nasserver1,credentials=/etc/user_credentials.txt //192.168.1.11/someshare /mnt

username=mydomainuser1
password=somepass

mount --verbose -t cifs //pc/share /my-share -no user=user1,password=pw1 -o uid=user2,gid=group1,dir_mode=0775,file_mode=0664