User manual

Nortel Secure Router 8000 Series
Configuration -WAN Access
Issue 5.3 (
30 March 2009) Nortel Networks Inc. i
Contents
6 PPP and MP configuration .......................................................................................................6-1
6.1 Introduction...................................................................................................................................................6-3
6.1.1 PPP.......................................................................................................................................................6-3
6.1.2 MP........................................................................................................................................................6-5
6.1.3 references.............................................................................................................................................6-6
6.2 Encapsulating an interface with PPP and MRU negotiation .........................................................................6-7
6.2.1 Establishing the configuration task ......................................................................................................6-7
6.2.2 Encapsulating the interface with PPP ..................................................................................................6-8
6.2.3 Enabling PPP MRU negotiation...........................................................................................................6-8
6.2.4 Checking the configuration..................................................................................................................6-9
6.3 Configuring unidirectional PAP ....................................................................................................................6-9
6.3.1 Establishing the configuration task ......................................................................................................6-9
6.3.2 Configuring a local router to authenticate iIts peer in PAP mode ......................................................6-10
6.3.3 Configuring the peer to be authenticated by the local router in PAP mode........................................6-11
6.3.4 Checking the configuration................................................................................................................6-12
6.4 Configuring unidirectional CHAP...............................................................................................................6-12
6.4.1 Establishing the configuration task ....................................................................................................6-12
6.4.2 Configuring a local router with user a name to authenticate its peer in CHAP mode........................6-13
6.4.3 Configuring a local router without user name to authenticate its peer in CHAP mode......................6-15
6.4.4 Checking the configuration................................................................................................................6-17
6.5 Configuring PPP optional parameters .........................................................................................................6-18
6.5.1 Establishing the configuration task ....................................................................................................6-18
6.5.2 Configuring the call back...................................................................................................................6-19
6.5.3 Configuring packet or packet header compression ............................................................................6-20
6.5.4 Configuring the timeout period of negotiation...................................................................................6-22
6.5.5 Configuring the timeout period of polling .........................................................................................6-22
6.5.6 Configuring DNS server address negotiation.....................................................................................6-23
6.5.7 Configuring the PPP link quality detection........................................................................................6-24
6.5.8 Configuring peer host router to be suppressed for adding into the local end direct routing table......6-24
6.5.9 Checking the configuration................................................................................................................6-25
6.6 Configuring MP direct binding through the VT..........................................................................................6-26 T
6.6.1 Establishing the configuration task ....................................................................................................6-26