A . aclnumber2000；rule0permitsource192.168.1.10.0.0.255；nataddress-group12.2.2.1；interfaceEthernet0/1；natoutbound2000address-group1
B . aclnumber2000；rule0permitsource192.168.1.10.0.0.255；nataddress-group12.2.2.1；interfaceEthernet0/1；natoutbound2000address-group1no-pat
C . natserverprotocoltelnetglobal2.2.2.1inside192.168.1.1
D . natserverprotocoltcpglobal2.2.2.1telnetinside192.168.1.1
E . natserverprotocoltcpglobal2.2.2.123inside192.168.1.123