Configuring tier 2 per-SAP aggregate shapers applies to Gen-2 SAPs configured with 16-priority scheduling mode and Gen-3 SAPs. Access ingress and access egress shapers are configured under the same CLI context.
Configuring a single tier 2 aggregate shaper for all unshaped SAPs applies to Gen-2 SAPs configured with 4-priority scheduling mode. Access ingress and access egress shapers are configured under different CLI contexts.