下面是某路由器的部分配置信息，解释 (n) 处标有下划线部分的含义，将解答填入对应栏内。
[配置路由器信息]
Current configuration：
!
version 11.3
no service password-encryption
!
hostname router1
(1) !
enable password pwd12345
(2) !
interface Ethemet0
ip address 1 92.4.1.1 255.255.255.0
!
interface Seria10
ip address 1 92.3.1.1 255.255.255.0
encansulation frame-relay IETF
(3) no ip mroute-cache
bandwidth 2000
(4) frame-relay map ip 192.3.1.2 100 broadcast
(5) frame-relay lmi-type cisco
!
router ospf 1
(6) network 192.1.1.0 0.0.0.255 area 0
(7) network 192.3.1.0 0.0.0.255 area 0
network 192.4.1.0 0.0.0.255 area 0
neighbor 192.1.1.2
(8) !
End