QNAP Systems Ts 253 User Guide

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Internet. Virtual Switches could also be used to bridge 1 Gigabit, 10 Gigabit, 40 Gigabit, and 
Thunderbolt environments just as a physical switch could. 
 
 
 
Setting Up a Virtual Switch 
To set up a Virtual Switch, go to “Main Menu” > “Network & Virtual Switch” > “Virtual 
Switch”, click “Add”. Choose between Basic Mode and Advanced Mode. In Basic Mode will, 
the Virtual Switch will be automatically assigned an IP address. Advanced Mode allows the 
user to use a dynamic IP, static IP, or no IP...

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2. Select the adapters to connect to the Virtual Switch. It is recommended to enable the 
Spanning Tree Protocol to avoid bridge loops. Click “Next”.  
3. Choose to use a dynamic, static, or no IP address for the Virtual Switch. 
To use static IP, choose to use the same network settings as another adapter or 
manually enter the network information by filing in the Fixed IP Address, Subnet Mask, 
and Default Gateway fields. 
4. Click “Next”. 
5. Select NAT to enable NAT. 
Note:  
NAT cannot be...

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8. Confirm the Virtual Switch settings and click “Apply” to continue. 
 
 
Thunderbolt to Ethernet (T2E) 
Thunderbolt to Ethernet functionality allows the Thunderbolt port to act as an Ethernet 
connection. 
There are two methods of setting up Thunderbolt to Ethernet using your NAS. It is 
recommended that users use Qfinder Pro to set up Thunderbolt to Ethernet. 
To set up T2E manually (without Qfinder Pro): 
1.  Go to Network & Virtual Switch and create a virtual switch with a Thunderbolt (See...

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DHCP Server 
A DHCP (Dynamic Host Configuration Protocol) server assigns IP addresses to clients on a 
network. Select the interface(s) to set the NAS as a DHCP server if there are none on the 
local network where the NAS is located. 
 
Note:  
Do not enable DHCP server if there is one on the local network to avoid IP address 
conflicts or network access errors. 
The DHCP server option is only available to Ethernet 1 when both LAN ports of a dual 
LAN NAS are connected to the network and...

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5. Click “Apply”. 
 
 
 
System Default Gateway 
You can choose to have the system automatically detect the default gateway or manually set 
the interface as the default gateway:  
The system will detect adapters that can reach the Internet and set one of these as the 
default gateway: For connecting to Internet, you can choose this option and the system 
will choose an adapter that can reach the Internet and set it as the default gateway. 
Manually choose the systems default gateway:...

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Network Access 
 
Go to Control Panel > Network & File Services > Network Access.  
 
 
Service Binding 
 
NAS services run on all available network interfaces by default. You can bind services to one 
or more specific network interfaces. First check Enable Service Binding and available 
network interfaces on the NAS will be shown. Select at least one network interface that each 
service should be bound to. Then click Apply. Users will only be able to connect to services 
via the specified...

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To allow the NAS to access the Internet through a proxy server to update the firmware, get 
new virus definitions, and to download Apps, first enable this service and enter the proxy 
server settings. 
 
DDNS Service 
 
To allow remote access to the NAS using a domain name instead of a dynamic IP address, 
enable the DDNS service. 
The NAS supports the DDNS providers: http://www.dyndns.com, http://update.ods.org, 
http://www.dhs.org, http://www.dyns.cx, http://www.3322.org, http://www.no-ip.com,...

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Win/Mac/NFS 
 
Go to Control Panel > Network & File Services > Win/Mac/NFS to configure networking 
services.  
 
 
In this chapter, the following topics are covered: 
Microsoft Networking 
Apple Networking 
NFS Service 
 
Microsoft Networking 
 
To allow access to the NAS on Microsoft Windows Network, enable file service for Microsoft 
networking. Also specify how users will be authenticated. 
 
Standalone Server 
Use local users for authentication. The NAS will use local user account...

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AD Domain Member 
Use Microsoft Active Directory (AD) to authenticate users. To use this option, enable Active 
Directory authentication in Privilege Settings > Domain Security and join the NAS to an 
Active Directory. 
 
LDAP Domain Authentication 
Use an LDAP directory to authenticate the users. To use this option, enable LDAP 
authentication and specify the settings in Privilege Settings > Domain Security. When 
this option is enabled, you need to select either the local NAS users or the LDAP...

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       When you enable this option, users can use the same login name format 
(domain\username) to connect to the NAS via AFP, FTP, and File Station. 
Automatically register in DNS: When this option is enabled and the NAS is joined to 
an Active Directory, the NAS will automatically register itself in the domain DNS server. 
This will create a DNS host entry for the NAS in the DNS server. If the NAS IP changes, 
the NAS will automatically update the IP in the DNS server. 
Enable trusted...