
Dial VPN Layer 3 Tunneling
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Figure 3-2. DHCP Operational Timeline
LCP negotiation
CHAP initiation
Remote
Node
Local
Node
Accounting
Server
NAS TMS Gateway
Grant w/info
Auth/Info Req
Auth Req
CHAP completion
Connect
NCP negotiation
Disconnect
Terminate msg
MIP authentication request
Open Communication
MIP registration request
MIP DAA response
Acct Start
Acct Stop
MIP terminate request
MIP HAA request
MIP terminate response
MIP DAA response
Auth Resp w/info
MIP registration response
DHCP
Server
RADIUS
Server
DVS0009C
MIP authentication response
MIP DAA request
DHCP response/ack
DHCP discover/request
Acct Response
Acct response
Address release
Address response
MIP DAA
DHCP
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