line con 0
line aux 0
line vty 0 4
password shanxi
login
!
end
广域网设置：
一、HDLC
HDLC是CISCO路由器使用的缺省协议，一台新路由器在未指定封装协议时默认使用HDLC封装。
1. 有关命令
端口设置
任务 命令
设置HDLC封装 encapsulation hdlc
设置DCE端线路速度 clockrate speed
复位一个硬件接口 clear interface serial unit
显示接口状态 show interfaces serial [unit] 1
注:1.以下给出一个显示Cisco同步串口状态的例子.
Router#show interface serial 0
Serial 0 is up, line protocol is up
Hardware is MCI Serial
Internet address is 150.136.190.203, subnet mask is 255.255.255.0
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255
Encapsulation HDLC, loopback not set, keepalive set (10 sec)
Last input 0:00:07, output 0:00:00, output hang never
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
Five minute input rate 0 bits/sec, 0 packets/sec
Five minute output rate 0 bits/sec, 0 packets/sec
16263 packets input, 1347238 bytes, 0 no buffer
Received 13983 broadcasts, 0 runts, 0 giants
2 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 2 abort
22146 packets output, 2383680 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets, 0 restarts
1 carrier transitions
2. 举例
设置如下：
Router1:
interface Serial0
ip address 192.200.10.1 255.255.255.0
clockrate 1000000
Router2:
interface Serial0
ip address 192.200.10.2 255.255.255.0
!
3. 举例使用E1线路实现多个64K专线连接.
相关命令:
任务 命令
进入controller配置模式 controller {t1 e1} number
选择帧类型 framing {crc4 no-crc4}
选择line-code类型 linecode {ami b8zs hdb3}
建立逻辑通道组与时隙的映射 channel-group number timeslots range1
显示controllers接口状态 show controllers e1 [slot/port]2
注: 1. 当链路为T1时,channel-group编号为0-23, Timeslot范围1-24; 当链路为E1时, channel-group编号为0-30, Timeslot范围1-31.
2.使用show controllers e1观察controller状态,以下为帧类型为crc4时controllers正常的状态.
Router# show controllers e1
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