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DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
237
Route Preference
This window is used to display and configure the route preference settings. Use this window to configure the distance,
which represents the route's trust rating. The route with a lower distance value is preferred over the route with a higher
distance value.
To view the following window, click L3 Features > Route Preference, as shown below:
Figure 6-24 Route Preference Window
The fields that can be configured are described below:
Parameter Description
Distance Default
Enter the administrative distance of default routes here. The range is from 1 to
255. By default, this value is 1.
Distance Static
Enter the administrative distance of static routes here. The range is from 1 to 255.
By default, this value is 60.
Click the Apply button to accept the changes made.
ECMP Settings
This window is used to display and configure the Equal-Cost Multi-Path (ECMP) routing settings. This is used to
configure the load balancing hash algorithm and used to determine the next hop entry for multiple paths destined for
the same destination.
To view the following window, click L3 Features > ECMP Settings, as shown below:
Figure 6-25 ECMP Settings Window
The fields that can be configured in ECMP Load Balancing Settings are described below:
Parameter Description
Destination IP
Select this option to use the destination IP address as the ECMP hash key.
Source IP
Select this option to use the least significant bits of the source IP address as the
ECMP hashing algorithm.
CRC 32 Lower
Select this option to use the lower bits of CRC-32 as the ECMP hashing algorithm.
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.
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