迈普路由器配置命令求解

ip access-list extended 1001
deny ip 172.16.X.0 0.0.0.255 192.168.0.0 0.0.255.255
deny ip 172.16.X.0 0.0.0.255 172.16.0.0 0.15.255.255
deny ip 172.16.X.0 0.0.0.255 10.0.0.0 0.255.255.255
permit ip 172.16.X.0 0.0.0.255 any
exit

dialer-list 1 protocol ip permit

interface dialer0
ip address negotiated
dialer in-band
dialer pool 1
dialer-group 1
encapsulation ppp
ppp chap send-hostname
ppp chap hostname XXXXXX
ppp chap password XXXXXX
mtu 1492
ip tcp adjust-mss 1452
ip nat outside
exit

interface fastethernet0
ip address 172.16.X.1 255.255.255.0
ip nat inside
exit

interface fastethernet1
pppoe-client dial-pool-number 1
pppoe-client auto-start
exit

ip nat inside source list 1001 interface dialer0 overload

crypto ike key shenghui@56 address 59.56.179.58

crypto ike proposal mp
encryption 3des
lifetime 28800
exit

crypto ipsec proposal mp2
esp 3des sha1
pfs group1
lifetime seconds 1800
exit

crypto tunnel t1
peer address 59.56.179.58
local interface dialer0
set authentication preshared
set ike proposal mp
set ipsec proposal mp2
set auto-up
exit

crypto policy p1
flow 172.16.X.0 255.255.255.0 172.16.X.0 255.255.255.0 ip permit
exit
crypto policy p2
flow 172.16.X.0 255.255.255.0 192.168.0.0 255.255.0.0 ip tunnel t1
exit
crypto policy p3
flow 172.16.X.0 255.255.255.0 172.16.0.0 255.240.0.0 ip tunnel t1
exit
crypto policy p4
flow 172.16.X.0 255.255.255.0 10.0.0.0 255.0.0.0 ip tunnel t1
exit

ip route 0.0.0.0 0.0.0.0 dialer0
以上我别人发给我的命令，但是我没看懂，我是用telent连接的，我想做的就是获取当前上网的密码，因为我忘记了，还有就是这个能不能连个无线路由？即光猫加无线加迈普网关。