[問題] Help me!Cisco的interface Ethernet0進不去?

[UNIEER (UNIEER)]

如標題

為什麼我就是進不去【interface Ethernet0】?
這是怎麼被設定的?
又該如何解開呢?
改完又該如何恢復呢?

附上show running
Current configuration:
!
version 12.0
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname Router
!
enable password twdcenter
!
ip subnet-zero
!
no ip domain-lookup
!
!
process-max-time 200
!
interface Ethernet0
 ip address 10.8.15.250 255.255.255.0
 no ip directed-broadcast
 no cdp enable
!
interface Serial0
 ip address 192.168.254.17 255.255.255.252
 no ip directed-broadcast
 encapsulation ppp
 no cdp enable
!
no ip http server
ip classless
ip route 10.3.0.0 255.255.0.0 10.8.15.1
ip route 10.8.0.0 255.255.0.0 10.8.15.1
ip route 10.8.19.0 255.255.255.0 192.168.254.18
ip route 10.8.190.0 255.255.255.0 10.8.15.1
!
no cdp run
!
line con 0
 transport input none
 stopbits 1
line vty 0 4
 password twdcenter
 login
!
end

Router#config t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#int f0
                     ^
% Invalid input detected at '^' marker.

Router(config)#

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※ 發信站: 批踢踢實業坊(ptt.cc) 
◆ From: 114.36.68.146
推 zaknafein:你怎麼不打int ethernet0就好
→ zaknafein:介面是fastethernet才是打int f0吧
→ UNIEER:對喔!因為其他台是F0，沒注意到這台竟然是E0!
→ UNIEER:zaknafein謝謝!
推 zaknafein:XD
→ wst2080:若不知道自己的介面,可以用一個指令在# 底下輸入
→ wst2080:show ip int bri 就可以看到路由器的介面相關簡單資訊