实训二十四 三层交换机OSPF动态路由.docx
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实训二十四 三层交换机OSPF动态路由.docx
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实训二十四三层交换机OSPF动态路由
实训二十四三层交换机OSPF动态路由
一、实训目的
1、掌握三层交换机之间通过OSPF协议实现网段互通的配置方法。
2、理解RIP协议和OSPF协议内部实现的不同点
二、应用环境
当两台三层交换机级联时,为了保证每台交换机上所连接的网段可以和另一台交换机上连接的网段互相通信,使用OSPF协议可以动态学习路由。
三、实训设备
1.DCRS-5650-52CT交换机2台
2.PC机2-4台
3.Console线1-2根
4.直通网线2-4根
四、实训拓扑
五、实训要求
1、在交换机A和交换机B上分别划分基于端口的VLAN:
交换机
VLAN
端口成员
交换机A
10
1~8
20
9~16
100
24
交换机B
30
1~8
40
9~16
101
24
2、交换机A和B通过的24口级联。
3、配置交换机A和B各VLAN虚拟接口的IP地址分别如下表所示:
VLAN10
VLAN20
VLAN30
VLAN40
VLAN100
VLAN101
192.168.10.1
192.168.20.1
192.168.30.1
192.168.40.1
192.168.100.1
192.168.100.2
4、PC1-PC4的网络设置为:
设备
IP地址
gateway
Mask
PC1
192.168.10.101
192.168.10.1
255.255.255.0
PC2
192.168.20.101
192.168.20.1
255.255.255.0
PC3
192.168.30.101
192.168.30.1
255.255.255.0
PC4
192.168.40.101
192.168.40.1
255.255.255.0
5、验证:
●没有OSPF路由协议之前:
PC1与PC2,PC3与PC4可以互通。
PC1、PC2与PC3、PC4不通。
●配置OSPF路由协议之后:
四台PC之间都可以互通。
●若实训结果和理论相符,则本实训完成。
六、实训步骤
第一步:
交换机全部恢复出厂设置,配置交换机的VLAN信息
交换机A:
DCRS-5650-52CT-A#conf
DCRS-5650-52CT-A(Config)#vlan10
DCRS-5650-52CT-A(Config-Vlan10)#switchportinterfaceethernet0/0/1-8
SettheportEthernet0/0/1accessvlan10successfully
SettheportEthernet0/0/2accessvlan10successfully
SettheportEthernet0/0/3accessvlan10successfully
SettheportEthernet0/0/4accessvlan10successfully
SettheportEthernet0/0/5accessvlan10successfully
SettheportEthernet0/0/6accessvlan10successfully
SettheportEthernet0/0/7accessvlan10successfully
SettheportEthernet0/0/8accessvlan10successfully
DCRS-5650-52CT-A(Config-Vlan10)#exit
DCRS-5650-52CT-A(Config)#vlan20
DCRS-5650-52CT-A(Config-Vlan20)#switchportinterfaceethernet0/0/9-16
SettheportEthernet0/0/9accessvlan20successfully
SettheportEthernet0/0/10accessvlan20successfully
SettheportEthernet0/0/11accessvlan20successfully
SettheportEthernet0/0/12accessvlan20successfully
SettheportEthernet0/0/13accessvlan20successfully
SettheportEthernet0/0/14accessvlan20successfully
SettheportEthernet0/0/15accessvlan20successfully
SettheportEthernet0/0/16accessvlan20successfully
DCRS-5650-52CT-A(Config-Vlan20)#exit
DCRS-5650-52CT-A(Config)#vlan100
DCRS-5650-52CT-A(Config-Vlan100)#switchportinterfaceethernet0/0/24
SettheportEthernet0/0/24accessvlan100successfully
DCRS-5650-52CT-A(Config-Vlan100)#exit
DCRS-5650-52CT-A(Config)#
验证配置:
DCRS-5650-52CT-A#showvlan
VLANNameTypeMediaPorts
---------------------------------------------------------------------------
1defaultStaticENETEthernet0/0/17Ethernet0/0/18
Ethernet0/0/19Ethernet0/0/20
Ethernet0/0/21Ethernet0/0/22
Ethernet0/0/23Ethernet0/0/25
Ethernet0/0/26Ethernet0/0/27
Ethernet0/0/28
10VLAN0010StaticENETEthernet0/0/1Ethernet0/0/2
Ethernet0/0/3Ethernet0/0/4
Ethernet0/0/5Ethernet0/0/6
Ethernet0/0/7Ethernet0/0/8
20VLAN0020StaticENETEthernet0/0/9Ethernet0/0/10
Ethernet0/0/11Ethernet0/0/12
Ethernet0/0/13Ethernet0/0/14
Ethernet0/0/15Ethernet0/0/16
100VLAN0100StaticENETEthernet0/0/24
DCRS-5650-52CT-A#
交换机B:
DCRS-5650-52CT-B(Config)#vlan30
DCRS-5650-52CT-B(Config-Vlan30)#switchportinterfaceethernet0/0/1-8
SettheportEthernet0/0/1accessvlan30successfully
SettheportEthernet0/0/2accessvlan30successfully
SettheportEthernet0/0/3accessvlan30successfully
SettheportEthernet0/0/4accessvlan30successfully
SettheportEthernet0/0/5accessvlan30successfully
SettheportEthernet0/0/6accessvlan30successfully
SettheportEthernet0/0/7accessvlan30successfully
SettheportEthernet0/0/8accessvlan30successfully
DCRS-5650-52CT-B(Config-Vlan30)#exit
DCRS-5650-52CT-B(Config)#vlan40
DCRS-5650-52CT-B(Config-Vlan40)#switchportinterfaceethernet0/0/9-16
SettheportEthernet0/0/9accessvlan40successfully
SettheportEthernet0/0/10accessvlan40successfully
SettheportEthernet0/0/11accessvlan40successfully
SettheportEthernet0/0/12accessvlan40successfully
SettheportEthernet0/0/13accessvlan40successfully
SettheportEthernet0/0/14accessvlan40successfully
SettheportEthernet0/0/15accessvlan40successfully
SettheportEthernet0/0/16accessvlan40successfully
DCRS-5650-52CT-B(Config-Vlan40)#exit
DCRS-5650-52CT-B(Config)#vlan101
DCRS-5650-52CT-B(Config-Vlan101)#switchportinterfaceethernet0/0/24
SettheportEthernet0/0/24accessvlan101successfully
DCRS-5650-52CT-B(Config-Vlan101)#exit
DCRS-5650-52CT-B(Config)#
验证配置:
DCRS-5650-52CT-B#showvlan
VLANNameTypeMediaPorts
---------------------------------------------------------------------------
1defaultStaticENETEthernet0/0/17Ethernet0/0/18
Ethernet0/0/19Ethernet0/0/20
Ethernet0/0/21Ethernet0/0/22
Ethernet0/0/23Ethernet0/0/25
Ethernet0/0/26Ethernet0/0/27
Ethernet0/0/28
10VLAN0010StaticENETEthernet0/0/1Ethernet0/0/2
Ethernet0/0/3Ethernet0/0/4
Ethernet0/0/5Ethernet0/0/6
Ethernet0/0/7Ethernet0/0/8
20VLAN0020StaticENETEthernet0/0/9Ethernet0/0/10
Ethernet0/0/11Ethernet0/0/12
Ethernet0/0/13Ethernet0/0/14
Ethernet0/0/15Ethernet0/0/16
100VLAN0100StaticENETEthernet0/0/24
DCRS-5650-52CT-B#
第二步:
配置交换机各vlan虚接口的IP地址
交换机A:
DCRS-5650-52CT-A(Config)#intvlan10
DCRS-5650-52CT-A(Config-If-Vlan10)#ipaddress192.168.10.1255.255.255.0
DCRS-5650-52CT-A(Config-If-Vlan10)#noshut
DCRS-5650-52CT-A(Config-If-Vlan10)#exit
DCRS-5650-52CT-A(Config)#intvlan20
DCRS-5650-52CT-A(Config-If-Vlan20)#ipaddress192.168.20.1255.255.255.0
DCRS-5650-52CT-A(Config-If-Vlan20)#noshut
DCRS-5650-52CT-A(Config-If-Vlan20)#exit
DCRS-5650-52CT-A(Config)#intvlan100
DCRS-5650-52CT-A(Config-If-Vlan100)#ipaddress192.168.100.1255.255.255.0
DCRS-5650-52CT-A(Config-If-Vlan100)#noshut
DCRS-5650-52CT-A(Config-If-Vlan100)#
DCRS-5650-52CT-A(Config-If-Vlan100)#exit
DCRS-5650-52CT-A(Config)#
交换机B:
DCRS-5650-52CT-B(Config)#intvlan30
DCRS-5650-52CT-B(Config-If-Vlan30)#ipaddress192.168.30.1255.255.255.0
DCRS-5650-52CT-B(Config-If-Vlan30)#noshut
DCRS-5650-52CT-B(Config-If-Vlan30)#exit
DCRS-5650-52CT-B(Config)#interfacevlan40
DCRS-5650-52CT-B(Config-If-Vlan40)#ipaddress192.168.40.1255.255.255.0
DCRS-5650-52CT-B(Config-If-Vlan40)#exit
DCRS-5650-52CT-B(Config)#intvlan101
DCRS-5650-52CT-B(Config-If-Vlan101)#ipaddress192.168.100.2255.255.255.0
DCRS-5650-52CT-B(Config-If-Vlan101)#exit
DCRS-5650-52CT-B(Config)#
第三步:
配置各PC的IP地址,注意配置网关
设备
IP地址
gateway
Mask
PC1
192.168.10.101
192.168.10.1
255.255.255.0
PC2
192.168.20.101
192.168.20.1
255.255.255.0
PC3
192.168.30.101
192.168.30.1
255.255.255.0
PC4
192.168.40.101
192.168.40.1
255.255.255.0
第四步:
验证PC之间是否连通?
PC
端口
PC
端口
结果
原因
PC1
A:
0/0/1
PC2
A:
0/0/9
通
PC1
A:
0/0/1
Vlan100
A:
0/0/24
通
PC1
A:
0/0/1
Vlan101
B:
0/0/24
不通
PC1
A:
0/0/1
PC3
B:
0/0/1
不通
查看路由表,进一步分析上一步的现象原因。
交换机A:
DCRS-5650-52CT-A#showiproute
Codes:
K-kernel,C-connected,S-static,R-RIP,B-BGP
O-OSPF,IA-OSPFinterarea
N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2
E1-OSPFexternaltype1,E2-OSPFexternaltype2
i-IS-IS,L1-IS-ISlevel-1,L2-IS-ISlevel-2,ia-IS-ISinterarea
*-candidatedefault
C127.0.0.0/8isdirectlyconnected,Loopback
C192.168.10.0/24isdirectlyconnected,Vlan10
C192.168.20.0/24isdirectlyconnected,Vlan20
C192.168.100.0/24isdirectlyconnected,Vlan100
交换机B:
DCRS-5650-52CT-B#showiproute
Codes:
K-kernel,C-connected,S-static,R-RIP,B-BGP
O-OSPF,IA-OSPFinterarea
N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2
E1-OSPFexternaltype1,E2-OSPFexternaltype2
i-IS-IS,L1-IS-ISlevel-1,L2-IS-ISlevel-2,ia-IS-ISinterarea
*-candidatedefault
C127.0.0.0/8isdirectlyconnected,Loopback
C192.168.30.0/24isdirectlyconnected,Vlan30
C192.168.40.0/24isdirectlyconnected,Vlan40
C192.168.102.0/24isdirectlyconnected,Vlan101
第五步:
启动OSPF协议,并将对应的直连网段配置到OSPF进程中
交换机A:
DCRS-5650-52CT-A(config)#routerospf
DCRS-5650-52CT-A(config-router)#network192.168.10.0/24area0
DCRS-5650-52CT-A(config-router)#network192.168.20.0/24area0
DCRS-5650-52CT-A(config-router)#network192.168.100.0/24area0
DCRS-5650-52CT-A(config-router)#exit
交换机B:
DCRS-5650-52CT-B(config)#routerospf
DCRS-5650-52CT-B(config-router)#network192.168.30.0/24area0
DCRS-5650-52CT-B(config-router)#network192.168.40.0/24area0
DCRS-5650-52CT-B(config-router)#network192.168.101.0/24area0
DCRS-5650-52CT-B(config-router)#exit
验证配置:
交换机A:
DCRS-5650-52CT-A#showiproute
Codes:
K-kernel,C-connected,S-static,R-RIP,B-BGP
O-OSPF,IA-OSPFinterarea
N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2
E1-OSPFexternaltype1,E2-OSPFexternaltype2
i-IS-IS,L1-IS-ISlevel-1,L2-IS-ISlevel-2,ia-IS-ISinterarea
*-candidatedefault
C127.0.0.0/8isdirectlyconnected,Loopback
C192.168.10.0/24isdirectlyconnected,Vlan10
C192.168.20.0/24isdirectlyconnected,Vlan20
O192.168.30.0/24[110/20]via192.168.100.2,Vlan100,00:
00:
23
O192.168.40.0/24[110/20]via192.168.100.2,Vlan100,00:
00:
23
C192.168.100.0/24isdirectlyconnected,Vlan100
(O代表ospf学习到的路由网段)
交换机B:
DCRS-5650-52CT-B#showiproute
Codes:
K-kernel,C-connected,S-static,R-RIP,B-BGP
O-OSPF,IA-OSPFinterarea
N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2
E1-OSPFexternaltype1,E2-OSPFexternaltype2
i-IS-IS,L1-IS-ISlevel-1,L2-IS-ISlevel-2,ia-IS-ISinterarea
*-candidatedefault
C127.0.0.0/8isdirectlyconnected,Loopback
O192.168.10.0/24[110/20]via192.168.100.1,Vlan101,00:
00:
23
O192.168.20.0/24[110/20]via192.168.100.1,Vlan101,00:
00:
23
C
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