Vigor2930 Series User’s Guide
154
considered by DrayOS system, the system can adjust 
dynamically for bandwidth of both VPN tunnels. In most 
cases, VPN Tunnel with high rate will use the WAN interface 
which has more available bandwidth. 
VPN Load Balance – 
Binding Tunnel Policy 
Below shows the algorithm for Load Balance. 
Create
– Click this radio button for assign a blank table for 
configuring Binding Tunnel. 
After insert
– Click this radio button to adding a new binding 
tunnel table. 
Tunnel Bind Table Index
- 400 binding tunnel tables are 
provided by this device. Choose any one of them for such 
Load Balance profile. 
Active
– In-active/Delete can delete this binding tunnel table. 
Active can activate this binding tunnel table. 
Binding Dial Out Index
– Specify connection type for 
transmission by choosing the index (LAN to LAN Profile 
Index) for such binding tunnel table. 
Binding Set IP Start /End
– Specify source IP addresses as 
starting point and ending point. 
Binding Dest IP Start/End
– Specify destination IP 
addresses as starting point and ending point. 
Binding Dest Port Start /End
– Specify destination service 
port as starting point and ending point. 
Binding Fragmented
– Non fragmented packets will be 
bound with such tunnel table if you choose 
No
. Fragmented 
packets will be bound with such tunnel table if you choose 
Yes
. 
Binding Protocol
– 
Any
means when the source IP, 
destination IP, destination port and fragment conditions 
match with the settings specified here, such binding tunnel 
table can be established for TCP Service Port/UDP Service 
Port/ICMP/IGMP specified here.
TCP
means when the source IP, destination IP, destination 
port and fragment conditions match with the settings 
specified here and TCP Service Port also fits the number 
here, such binding tunnel table can be established. 
UDP 
means when the source IP, destination IP, destination port 
and fragment conditions match with the settings specified 
here and UDP Service Port also fits the number here, such 
binding tunnel table can be established. 
TCP/UPD
means 
when the source IP, destination IP, destination port and 
fragment conditions match with the settings specified here 
and TCP/UDP Service Port also fits the number here, such 
binding tunnel table can be established.
ICMP
means when 
the source IP, destination IP, destination port and fragment 
conditions match with the settings specified here and ICMP 
Service Port also fits the number here, such binding tunnel 
table can be established. IGMP means when the source IP, 
destination IP, destination port and fragment conditions