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DDN案例分析1(两局域网互连)
(2005-10-10 15:32:10)| 分类： ~~~ Wan ~~~ |
两个路由器通过DDN专线互连。实现两个局域网间的通信。
routera--------基带猫-----------DDN--------基带猫---------routerb
所选路由器为cisco1721各配置一块WIC-1T同步串口卡，用于DDN的互联
//routera
service timestamps debug uptime //为debug和log分别设置时间戳，以便于排错
service timestamps log uptime
service password-encryption //将设置的口令加密
no service tcp-small-servers //关闭不必要的服务
no service udp-small-servers
hostname routera
enable password cisco
no ip name-server //不设置DNS server值
ip subnet-zero //允许是0子网
no ip domain-lookup //禁止DNS查询
ip routing //启用IP路由进程
int fa0
int s0
router rip
ip classless //启用无类别属性，用于告诉路由器当目的网络没有出现在路由表中时通过默认路由转发数据包。
no ip http server
snmp-server community public RO
no snmp-server location
no snmp-server contact
line console 0
exec-timeout 0 0 //设置超时的时限，0分0秒，永不超时
password cisco //为控制台连接设置登录密码为cisco
login //配置控制台接口为允许登陆
line vty 0 4
pass cisco //为telnet连接设置登录密码为cisco
login //配置VTY接口为允许登录
//router b
service timestamps debug uptime
service timestamps log uptime
service password-encryption
no service tcp-small-servers
no service udp-small-servers
host routerb
enable pass cisco
no ip name-server
ip subnet-zero
no ip domain-lookup
ip routing
int fa0
int s0
router rip
ip classless
no ip http server
snmp-server community public RO
no snmp-server location
no snmp-server contact
line console 0
exec-timeout 0 0
pass cisco
login
line vty 0 4
pass cisco
login
如果不用rip协议，可用以下命令
router a# ip route 192.168.11.0 255.255.255.0 192.168.1.1
router b# ip route 192.168.11.0 255.255.255.0 192.168.1.2
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