Configuring the Stack 79
Setting Up Resilient
Links
You can set up resilient links for the stack using the Resilient Links page.
To access the page:
1
Click the
Configuration
icon on the side-bar.
2
Click the
Resilient Links
hotlink. The Resilient Links page is displayed as
shown in Figure 20
.
Figure 20
The Resilient Links page
What are Resilient Links?
The Resilient Link feature enables you to protect critical links and prevent
network downtime if those links fail. A resilient link is comprised of a
resilient link pair
containing a main link and a standby link. If the main
link fails, the standby link immediately and automatically takes over the
task of the main link.
The resilient link pair is defined by specifying a main port and a standby
port at one end of the link.
During normal operation, the main port is enabled and the standby port
is disabled. If the main link fails, the main port is disabled and the standby
port is enabled. If the main link becomes operational, you can then
re-enable the main port and disable the standby port again.
When setting up resilient links, note the following:
â–
Resilient link pairs cannot be set up if the stack uses the Spanning Tree
Protocol (STP).
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