How are data tunnel packets transmitted between the remote access client/PNS and the PAC?
Data tunnel packets are transmitted using Enhanced GRE. • The remote access client/PNS and the PAC successfully authenticate each other using standard MD5 CHAP, but then MPPE negotiation fails. What is the issue here? Answer: MPPE requires MS-CHAP authentication. • Tunnel setup fails between the remote access client/PNS and the PAC. When debugging PPP negotiation, the following message is seen: O PROTREJ [Open] id 232 len 16 protocol CCP. What does this message reveal? Answer: This message indicates that the PAC has rejected configuration of the CCP, including MS-PPC and MPPE. • During IPCP negotiation, the following message is seen, IPCP: Cannot satisfy pool request. What does this indicate? Assume that local IP address assignment is being used. Answer: This indicates that the IP address pool has been incorrectly configured or that there are no addresses left to allocate. • The network administrator issues the command clear vpdn tunnel pptp remote_access_client/PNS_name PAC_name. What
