RouterA and RouterB are connected by serial interface.The configuration of router A is as below:
[Quidway1]display current-configurtion
Now create configuration...
Current configuration
!
version 1.74
local-user huawei service-type ppp password simple quidway
firewall enable
sysname Quidway1
!
interface Aux0
async mode flow
phy-mru 0
link-protocol ppp
!
interface Ethernet0
ip address 1.1.1.1 255.0.0.0
!
interface Serial0
clock DTECLK1
link-protocol ppp
ppp authentication-mode chap
ppp chap user hw
ip address 2.1.1.1 255.0.0.0
!
interface Serial1
link-protocol ppp
!
quit
ip route-static 0.0.0.0.0.0.0.0 2.1.1.2 preference 60
!
return
The configuration of router B is as below:
[Quidway2] display current-configurtion
Now create configuration...
Current configuration
!
version 1.74
locatl-user hw service-type ppp password simple quidway
firewall enable
sysname Quidway2
encrypt-card fast-switch
!
interface Aux0
async mode flow
phy-mru 0
link-protocol ppp
!
interface Ethernet0
ip address 3.1.1.1 255.255.0.0.0
!
interface Serial0
link-protocol ppp
ppp chap user huawei
ppp chap password simple quidway
ip address 2.1.1.2 255.0.0.0
!
interface Serial1
link-protocol ppp
!
quit
ip routes-static 0.0.0.0.0.0.0.0 2.1.1.1 preference 60
!
return
WAN stands for serial link between RouterA serial interface and RouterB serial interface.
LAN stands for the link between RouterA Ethernet interface and RouterB Ethernet interface. Which of the following statements is true()