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Configuring PPP and MP ············································································································································· 1

PPP overview ······································································································································································ 1

PPP link establishment process ································································································································ 1

PPP authentication ···················································································································································· 2

PPP for IPv4 ······························································································································································· 3

PPP for IPv6 ······························································································································································· 3

MP overview ······································································································································································ 4

Compatibility information ················································································································································· 4

Feature and hardware compatibility ······················································································································ 4

Command and hardware compatibility ················································································································· 5

Configuring PPP ································································································································································· 5

PPP configuration task list ········································································································································ 5

Enabling PPP encapsulation on an interface ········································································································· 5

Configuring PPP authentication ······························································································································· 5

Configuring the polling feature ······························································································································· 9

Configuring PPP negotiation ································································································································ 10

Enabling IP header compression ························································································································· 17

Enabling PPP link quality monitoring ··················································································································· 18

Enabling PPP accounting ······································································································································ 19

Configuring the nas-port-type attribute ················································································································ 19

Configuring MP ······························································································································································ 20

MP configuration task list······································································································································ 20

Configuring MP by using a VT interface ············································································································· 21

Configuring MP through an MP-group interface ································································································ 23

Configuring short sequence number header format negotiation ····································································· 24

Configuring the MP endpoint descriptor ············································································································· 25

Configuring LFI······················································································································································· 25

Displaying and maintaining PPP and MP ···················································································································· 26

PPP and MP configuration examples ··························································································································· 27

One-way PAP authentication configuration example ························································································ 27

Two-way PAP authentication configuration example ························································································ 29

One-way CHAP authentication configuration example ···················································································· 31

IP address negotiation configuration examples ································································································· 33

MP binding mode configuration examples ········································································································· 37

Configuring PPPoE ····················································································································································· 45

Overview ········································································································································································· 45

PPPoE network structure ················································································································································· 45

Command and hardware compatibility ······················································································································ 46

Configuring the PPPoE server ········································································································································ 46

Configuring a PPPoE session ································································································································ 46

Setting the maximum number of PPPoE sessions ································································································ 47

Limiting the PPPoE access rate ····························································································································· 48

Configuring the nas-port-id attribute ···················································································································· 49

Configuring a VA pool ········································································································································· 50

Clearing PPPoE sessions ······································································································································· 51

Configuring a PPPoE client ············································································································································ 51

Configuring a dialer interface ····························································································································· 52