The number of PPPoE sessions per SAP is limited with the sap-session-limit command configured in the group-interface pppoe context.
To limit the number of PPPoE sessions per group interface or retail subscriber interface use the session-limit command configured in the group-interface pppoe or retail subscriber-interface pppoe context.
PPPoE sessions and subscriber hosts associated with PPPoE sessions are subject to the per SLA profile instance host and session limits configured in the config>subscr-mgmt>sla-prof>host-limits context and to the per subscriber host and session limits configured in the config>subscr-mgmt>sub-prof context. See Limiting the number of hosts and sessions per SLA profile instance and per subscriber for a detailed description.