Huawei Quidway S9300 Configuration Manual - Wan Access page 43

Quidway S9300 Terabit Routing Switch
Configuration Guide - WAN Access
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Procedure
Step 1 Configure Switch A.
# Add the username and password of Switch B to the local user list of Switch A.
<Quidway> system-view
[Quidway] sysname SwitchA
[SwitchA] aaa
[SwitchA-aaa] local-user rtb password simple hello
[SwitchA-aaa] quit
# Configure an IP address for POS 1/0/0 and configure the link-layer encapsulation protocol as
PPP.
[SwitchA] interface pos 1/0/0
[SwitchA-Pos1/0/0] ip address 10.110.0.1 255.255.255.0
[SwitchA-Pos1/0/0] link-protocol ppp
# Configure the username of Switch A used in its authentication by Switch B in the CHAP mode.
[SwitchA-Pos1/0/0] ppp chap user rta
# Configure the authentication in CHAP mode.
[SwitchA-Pos1/0/0] ppp authentication-mode chap
Step 2 Configure Switch B.
# Add the username of Switch A and the local password to the local user list of Switch B.
<Quidway> system-view
[Quidway] sysname SwitchB
[SwitchB] aaa
[SwitchB-aaa] local-user rta password simple hello
[SwitchB-aaa] quit
# Configure an IP address for POS 1/0/0 and configure the link-layer encapsulation protocol as
PPP.
[SwitchB] interface pos 1/0/0
[SwitchB-Pos1/0/0] ip address 10.110.0.2 255.255.255.0
[SwitchB-Pos1/0/0] link-protocol ppp
# Configure the user name of Switch B used in its authentication by Switch A in the CHAP
mode.
Issue 02 (2011-07-15)
User names of Switch A and Switch B
Passwords of Switch A and Switch B
IP address of the interface on Switch A
IP address of the interface on Switch B
NOTE
Switch A and Switch B must be configured with the same password, or the authentication fails.
NOTE
l When you configure an IP address for an interface on a PPP link, if you delete the IP address of the
interface on the PPP link that fulfills the IPCP negotiation and assign this IP address to an interface on
another PPP link, the IPCP negotiation of the later PPP link is definitely unsuccessful. To solve this
problem, you can run the shutdown and undo shutdown commands on the former interface to restore
the IPCP negotiation or assign a new IP address to the later interface.
l When you configure an IP address for an interface on a PPP link, if the configuration is correct but the
negotiation is always unsuccessful, it is recommended that you assign a new IP address to the interface.
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2 PPP Configuration
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