AR1配置
local-user huawei password cipher %$%$6t='8KiYDPz28R<zS4U3}rhP%$%$ local-user huawei service-type ppp 在AR1上配置地址，CHAP认证和给对端分配地址。 interface Serial4/0/0 link-protocol ppp ppp authentication-mode chap remote address 12.1.1.2 ip address 12.1.1.1 255.255.255.0
AR2配置
在AR2上配置CHAT认证及用自动方式获取IP地址。 interface Serial4/0/0 link-protocol ppp ppp chap user huawei ppp chap password cipher %$%$n9BmS2i/|)B!n9&fnVCK,";3%$%$ ip address ppp-negotiate
[AR2]dis ip interface brief *down: administratively down ^down: standby (l): loopback (s): spoofing The number of interface that is UP in Physical is 2 The number of interface that is DOWN in Physical is 4 The number of interface that is UP in Protocol is 2 The number of interface that is DOWN in Protocol is 4 Interface IP Address/Mask Physical Protocol GigabitEthernet0/0/0 unassigned down down GigabitEthernet0/0/1 unassigned down down GigabitEthernet0/0/2 unassigned down down NULL0 unassigned up up(s) Serial4/0/0 12.1.1.2/32 up up Serial4/0/1 unassigned down down
[AR2]dis int s4/0/0 Serial4/0/0 current state : UP Line protocol current state : UP Last line protocol up time : 2020-05-28 19:09:39 UTC-08:00 Description:HUAWEI, AR Series, Serial4/0/0 Interface Route Port,The Maximum Transmit Unit is 1500, Hold timer is 10(sec) Internet Address is negotiated, 12.1.1.2/32 Link layer protocol is PPP LCP opened, IPCP opened Last physical up time : 2020-05-28 19:06:23 UTC-08:00 Last physical down time : 2020-05-28 19:06:20 UTC-08:00 Current system time: 2020-05-28 19:20:35-08:00 Physical layer is synchronous, Virtualbaudrate is 64000 bps Interface is DTE, Cable type is V11, Clock mode is TC Last 300 seconds input rate 6 bytes/sec 48 bits/sec 0 packets/sec Last 300 seconds output rate 2 bytes/sec 16 bits/sec 0 packets/sec Input: 176 packets, 5656 bytes Broadcast: 0, Multicast: 0 Errors: 0, Runts: 0 Giants: 0, CRC: 0 Alignments: 0, Overruns: 0 Dribbles: 0, Aborts: 0 No Buffers: 0, Frame Error: 0 Output: 177 packets, 2142 bytes Total Error: 0, Overruns: 0 Collisions: 0, Deferred: 0 Input bandwidth utilization : 0% Output bandwidth utilization : 0%