An address set is a collection of one or more addresses. It will make it easier for you to use multiple addresses at once.
You can learn more about juniper on junosgenius.net
You can use GNS3, EVE-NG, Juniper vLabs for this practice lab:
GNS3: • 02# Add Juniper vSRX 20.1R1 on GNS3 and Th...
EVE-NG: • 03# Add Juniper vSRX 20.1R1 on EVE-NG and ...
Juniper vLabs: • How to use Juniper vLabs for Practice usin...
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