DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide 
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Parameter  Description 
CRC 32 Upper 
Select this option to use the upper bits of CRC-32 as the ECMP hashing 
algorithm. 
TCP/UDP Port 
Select this option to use TCP/UDP port number as ECMP hash key. 
Click the Apply button to accept the changes made. 
 
The fields that can be configured in ECMP Advance Control Mode are described below: 
Parameter  Description 
ECMP Advance Control 
Mode Setting 
Select the ECMP advance control mode settings here. This specifies the number 
of ECMP or multipath routes and the number of next-hops of each ECMP or 
multipath route that will be changed according to the specified value. Options to 
choose from are 64, 128, 256, 512, and 1024. 
Click the Apply button to accept the changes made. 
 
IPv6 General Prefix 
This window is used to display and configure the VLAN interface IPv6 general prefix settings. 
To view the following window, click L3 Features > IPv6 General Prefix, as shown below: 
 
Figure 6-30 IPv6 General Prefix Window 
 
The fields that can be configured are described below: 
Parameter  Description 
Interface VLAN 
Enter the VLAN interface ID used here. The range is from 1 to 4094. 
Prefix Name 
Enter the IPv6 general prefix entry name here. This name can be up to 12 
characters long. 
IPv6 Address 
Enter the IPv6 address and prefix length here. The prefix length of the IPv6 
address is also the local subnet on the VLAN interface. 
Click the Apply button to accept the changes made. 
Click the Find button to locate a specific entry based on the information entered. 
Click the Delete button to delete the specified entry. 
Enter a page number and click the Go button to navigate to a specific page when multiple pages exist.