A.modular line cards B.shelf controllers C.route processors D.service processors E.distributed service cards
A.3 B.4 C.5 D.2 E.6
A.LCP is used for PPP over ATM (PPPoA) setup. B.LCP is used for PPP over Ethernet (PPPoE) setup. C.LCP is used for PPP over Ethernet (PPPoPR) setup. D.LCP is used for PPP CHAP authentication. E.LCP is used for basic PPP link setup and operation.