A Link carries signaling within a Link Set using a specific Association. A Link can belong to only one Link Set and one Association.
If a Link fails, the Signaling Network Interface attempts to divert signaling traffic to another Link in the same Link Set.
The SS7/Sigtran > Configuration > Links page shows all configured M3UA links.
The SS7/Sigtran > Configuration > Links page also provides a link to the SS7/Sigtran > Maintenance > Links page where you can view the status of all configured Links, and manually enable and disable Links.