NA-NP-IE系列实验18:ip default-network
2009-11-28 15:37
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[align=left]实验18:ip default-network[/align]
[align=left]1.实验目的[/align]
[align=left]通过本实验可以掌握如何通过ip default-network 向网络中注入一条默认路由。[/align]
[align=left] [/align]
[align=left]2.拓扑结构[/align]
[align=left]实验拓扑如图所示。[/align]
[align=left]3.实验步骤,配置如下:[/align]
[align=left](1)ip default-network 后面的网络一定要是主类网络;[/align]
[align=left](2)ip default-network 后面的网络可以是直连的或者通过其它协议学到的网络。[/align]
[align=left] [/align]
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#ho r0
r0(config)#no ip do loo
r0(config)#lin c 0
r0(config-line)#logg s
r0(config-line)#exec-t 00
r0(config-line)#exit
r0(config)#int loo 1
r0(config-if)#ip add
*Mar 1 00:04:06.075: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback1, changed state to up
r0(config-if)#ip add 2.2.2.2 255.255.255.0
r0(config-if)#int f1/0
r0(config-if)#ip add 172.16.1.2 255.255.255.0
r0(config-if)#no sh
r0(config-if)#exit
r0(config)#
*Mar 1 00:04:31.031: %LINK-3-UPDOWN: Interface FastEthernet1/0, changed state to up
*Mar 1 00:04:32.031: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0, changed state to up
r0(config)#router rip
r0(config-router)#ve 2
r0(config-router)#no au
r0(config-router)#net 172.16.1.0
r0(config-router)#exit
r0(config)#ip default-network 2.0.0.0
r0(config)#do sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
1.0.0.0/24 is subnetted, 1 subnets
R 1.1.1.0 [120/1] via 172.16.1.1, 00:00:17, FastEthernet1/0
* 2.0.0.0/24 is subnetted, 1 subnets
C 2.2.2.0 is directly connected, Loopback1
172.16.0.0/24 is subnetted, 1 subnets
C 172.16.1.0 is directly connected, FastEthernet1/0
r0(config)#
Router(config)#ho r1
r1(config)#no ip do loo
r1(config)#lin c 0
r1(config-line)#logg s
r1(config-line)#exec-t 00
r1(config-line)#exit
r1(config)#int loo 1
r1(config-if)#ip add 1.1.
*Mar 1 00:03:09.895: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback1, changed state to up
r1(config-if)#ip add 1.1.1.1 255.255.255.0
r1(config-if)#int f1/0
r1(config-if)#ip add 172.16.1.1 255.255.255.0
r1(config-if)#no sh
r1(config-if)#
*Mar 1 00:03:35.879: %LINK-3-UPDOWN: Interface FastEthernet1/0, changed state to up
*Mar 1 00:03:36.879: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0, changed state to up
r1(config-if)#
r1(config-if)#exit
r1(config)#router rip
r1(config-router)#ve 2
r1(config-router)#no au
r1(config-router)#net 172.16.1.0
r1(config-router)#net 1.0.0.0
r1(config-router)#do sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is 172.16.1.2 to network 0.0.0.0
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Loopback1
172.16.0.0/24 is subnetted, 1 subnets
C 172.16.1.0 is directly connected, FastEthernet1/0
R* 0.0.0.0/0 [120/1] via 172.16.1.2, 00:00:13, FastEthernet1/0
r1(config-router)#
[align=left]从以上输出可以看出R1 上的“ip default-network”命令确实向RIP 网络中注入一条[/align]
[align=left]“R*”的默认路由。[/align]
本文出自 “柯浩坚” 博客,转载请与作者联系!
[align=left]1.实验目的[/align]
[align=left]通过本实验可以掌握如何通过ip default-network 向网络中注入一条默认路由。[/align]
[align=left] [/align]
[align=left]2.拓扑结构[/align]
[align=left]实验拓扑如图所示。[/align]
[align=left]3.实验步骤,配置如下:[/align]
[align=left](1)ip default-network 后面的网络一定要是主类网络;[/align]
[align=left](2)ip default-network 后面的网络可以是直连的或者通过其它协议学到的网络。[/align]
[align=left] [/align]
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#ho r0
r0(config)#no ip do loo
r0(config)#lin c 0
r0(config-line)#logg s
r0(config-line)#exec-t 00
r0(config-line)#exit
r0(config)#int loo 1
r0(config-if)#ip add
*Mar 1 00:04:06.075: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback1, changed state to up
r0(config-if)#ip add 2.2.2.2 255.255.255.0
r0(config-if)#int f1/0
r0(config-if)#ip add 172.16.1.2 255.255.255.0
r0(config-if)#no sh
r0(config-if)#exit
r0(config)#
*Mar 1 00:04:31.031: %LINK-3-UPDOWN: Interface FastEthernet1/0, changed state to up
*Mar 1 00:04:32.031: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0, changed state to up
r0(config)#router rip
r0(config-router)#ve 2
r0(config-router)#no au
r0(config-router)#net 172.16.1.0
r0(config-router)#exit
r0(config)#ip default-network 2.0.0.0
r0(config)#do sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
1.0.0.0/24 is subnetted, 1 subnets
R 1.1.1.0 [120/1] via 172.16.1.1, 00:00:17, FastEthernet1/0
* 2.0.0.0/24 is subnetted, 1 subnets
C 2.2.2.0 is directly connected, Loopback1
172.16.0.0/24 is subnetted, 1 subnets
C 172.16.1.0 is directly connected, FastEthernet1/0
r0(config)#
Router(config)#ho r1
r1(config)#no ip do loo
r1(config)#lin c 0
r1(config-line)#logg s
r1(config-line)#exec-t 00
r1(config-line)#exit
r1(config)#int loo 1
r1(config-if)#ip add 1.1.
*Mar 1 00:03:09.895: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback1, changed state to up
r1(config-if)#ip add 1.1.1.1 255.255.255.0
r1(config-if)#int f1/0
r1(config-if)#ip add 172.16.1.1 255.255.255.0
r1(config-if)#no sh
r1(config-if)#
*Mar 1 00:03:35.879: %LINK-3-UPDOWN: Interface FastEthernet1/0, changed state to up
*Mar 1 00:03:36.879: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0, changed state to up
r1(config-if)#
r1(config-if)#exit
r1(config)#router rip
r1(config-router)#ve 2
r1(config-router)#no au
r1(config-router)#net 172.16.1.0
r1(config-router)#net 1.0.0.0
r1(config-router)#do sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is 172.16.1.2 to network 0.0.0.0
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Loopback1
172.16.0.0/24 is subnetted, 1 subnets
C 172.16.1.0 is directly connected, FastEthernet1/0
R* 0.0.0.0/0 [120/1] via 172.16.1.2, 00:00:13, FastEthernet1/0
r1(config-router)#
[align=left]从以上输出可以看出R1 上的“ip default-network”命令确实向RIP 网络中注入一条[/align]
[align=left]“R*”的默认路由。[/align]
本文出自 “柯浩坚” 博客,转载请与作者联系!
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