UG87-LW User Guide
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Hostname
Enter the hostname for DDNS.
Append IP
Append your current IP to the DDNS server update path.
Table 4-3-5-1 DDNS Parameters
4.3.6 Link Failover
This section describes how to configure link failover strategies, such as VRRP strategies.
Configuration Steps
1. Define one or more SLA operations (ICMP probe).
2. Define one or more track objects to track the status of SLA operation.
3. Define applications associated with track objects, such as VRRP or static routing.
4.3.6.1 SLA
SLA setting is used for configuring link probe method. The default probe type is ICMP.
Figure 4-3-6-1
SLA
Item
Description
Default
ID
SLA index. Up to 10 SLA settings can be added.
Range: 1-10.
1
Type
ICMP-ECHO is the default type to detect if the link
is alive.
icmp-echo
Destination Address The detected IP address.
114.114.114.114
Secondary Destination
Address
The secondary detected IP address.
8.8.8.8
Data Size
User-defined data size. Range: 0-1000.
56
Interval (s)
User-defined detection interval. Range: 1-608400. 30
Timeout (ms)
User-defined timeout for response to determine
ICMP detection failure. Range: 1-300000.
5000
PING Times
Define PING packet numbers in each SLA probe.
Range: 1-1000.
5
Packet Loss Rate
Define packet loss rate in each SLA probe. SLA
probe fails when the preset packet loss rate is
20
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