What is the exact usage of Link Services Software License for MX Series, Which feature we got when we purchase this license?
This license is identified with Part Number: S-LSSL
The specific License you are seeking information about enables you the usage of multi-link bundles. Multilink bundles provide additional bandwidth, load balancing, and redundancy by aggregating low-speed links, such as T1, E1, and serial links.
After creating multilink bundles, you add constituent links to the bundle. The constituent links are the low-speed physical links that are to be aggregated. Depending on the system license and hardware, you can create up to 1023 multilink bundles per Chassis, and on each multilink bundle add up to 8 constituent links.
Please refer https://www.juniper.net/documentation/en_US/junos/topics/topic-map/link-multilink-services-understanding.html#id-multilink-and-link-services-pics-overview for more details on multi-link and Link Services PIC.
Regarding the different licenses under LSSL, please check below:
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