路由器RA上执行如下命令:

[RA-GigabitEthernet0/0] ip address 192.168.1.1 24

[RA-GigabitEthernet0/0] quit

[RA] router id 2.2.2.2

[RA] ospf 1 router-id 1.1.1.1

[RA-ospf-1] quit

[RA] interface LoopBack 0

[RA-LoopBack0] ip address 3.3.3.3 32

从以上配置可以判断RA的OSPF进程1的Router ID是( )。