华为路由器和思科路由器之间用PPP协议连接问题.

shzhs

思科路由器配置:
shenzhen#show run
Building configuration...

Current configuration : 1173 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname shenzhen
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$eQZO$7zS8cwgFqjJHFNdUuJDnF1
enable password 7 0142535C
!
no aaa new-model
ip subnet-zero
!
username 158 password 7 055A5357
!
!
!
interface Ethernet0
ip address 192.192.197.254 255.255.255.0
no cdp enable
!
interface Ethernet1
no ip address
shutdown
no cdp enable
!
interface Serial0
ip unnumbered Ethernet0
encapsulation ppp
no fair-queue
no cdp enable
ppp authentication pap
ppp pap sent-username 158 password 7 1248504F
!
interface Serial1
no ip address
shutdown
no cdp enable
!
no ip http server
ip classless
ip route 192.168.1.0 255.255.255.0 192.168.1.10
ip route 192.168.2.0 255.255.255.0 192.168.1.10
ip route 192.168.3.0 255.255.255.0 192.168.1.10
ip route 192.168.168.0 255.255.255.0 Serial0
ip route 192.192.192.0 255.255.255.0 Serial0
ip route 192.192.193.0 255.255.255.0 Serial0
!
!
no cdp run
!
banner motd ^C
please don't to do!^C
!
line con 0
exec-timeout 10 5
password 7 0142535C
login
line aux 0
line vty 0 4
password 7 15435E54
login
!
end
shenzhen#


华为路由器配置:
[shenzhen]disp cu
  Now create configuration...
  Current configuration
  !
    version 1.74
    local-user user service-type ppp
    local-user 158 service-type administrator password cipher .I)C`9XC9NO-JEXJQ<
%DJQ!!
    sysname shenzhen
    info-center console
    firewall enable
    aaa-enable
    aaa accounting-scheme optional
  !
  interface Aux0
    async mode flow
    link-protocol ppp
  !
  interface Ethernet0
    ip address 192.192.197.254 255.255.255.0
  !
  interface Ethernet1
  !
  interface Serial0
    clock DTECLK1
    undo detect DSR-DTR
    link-protocol ppp
    ip address unnumbered Ethernet0
  !
  interface Serial1
    link-protocol ppp
  !
  quit
  ip route-static 192.168.1.0 255.255.255.0 192.168.1.10 preference 60
  ip route-static 192.168.2.0 255.255.255.0 192.168.1.10 preference 60
  ip route-static 192.168.3.0 255.255.255.0 192.168.1.10 preference 60
  ip route-static 192.168.168.0 255.255.255.0 Serial 0 preference 60
  ip route-static 192.192.192.0 255.255.255.0 Serial 0 preference 60
  ip route-static 192.192.193.0 255.255.255.0 Serial 0 preference 60
  !
  return

[shenzhen]

这两个中有什么不对的吗?我把华为的路由器换成思科的路由器,却于对方无法连接.