HQ(config)# interface s0/1/0 HQ(config-if)# encapsulation ppp HQ(config-if)# ppp authentication chap HQ(config-if)# exit HQ(config)# username ISP password cisco HQ(config)# interface s0/0/1 HQ(config-if)# encapsulation ppp HQ(config-if)# ppp authentication pap HQ(config-if)# ppp pap sent-username HQ password cisco HQ(config-if)# exit HQ(config)# username NewB password cisco eBGP However, it must be configured before the link will come up between HQ and NewB. Note: The ppp pap sent-username is not graded by Packet Tracer.