User's Manual

User Manual
59
5.6 Link Backup
5.6.1 SLA
Service level agreement (SLA) is used to detect whether the router is
disconnected with ISP.
Method for adding an SLA entry in ER800:
Click "Link Backup >> SLA >> Add", enter the detected IP address for
"Destination Address", set other parameters as required, click Add, and then
click Apply & Save.
Timeout (ms) indicates the duration for determining a detection failure.
Consecutive indicates the number of detection failures resulting in a link
failure.
5.6.2 Track
At present, track module can be used with following application modules: VRRP,
static routing, and interface backup. If detection succeeds, the corresponding
track entry will be in Positive state. If detection fails, the corresponding track
entry will be in Negative state.
Method for adding a track entry in ER800: