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等价eigrp负载均衡
3.7.1. 实验目的
1、查看路由器下一跳后继路由器地址和到后继路由器的可行距离以及后继路由器的通告距离，验证路由器之间等价eigrp负载均衡。
2、验证路由器之间eigrp负载均衡
3.7.2. 实验拓扑
3.7.3. 实验配置
1、路由器R2的配置∶
R2#show run
interface Loopback0
ip address 2.2.2.2 255.255.255.0
!
interface Serial0
ip address 26.26.26.2 255.255.255.0
clock rate 64000
no fair-queue
!
interface Serial1
ip address 23.23.23.2 255.255.255.0
clock rate 64000
!
router eigrp 2
network 2.0.0.0
network 23.0.0.0
network 26.0.0.0
auto-summary
!
End
2、路由器R6的配置∶
R6#sh run
interface Loopback0
ip address 6.6.6.6 255.255.255.0
!
interface Serial0/1
ip address 26.26.26.6 255.255.255.0
!
interface Serial1/0
ip address 36.36.36.6 255.255.255.0
!
router eigrp 2
network 6.0.0.0
network 26.0.0.0
network 36.0.0.0
auto-summary
!
End
3、路由器R3的配置∶
R3#show run
interface Loopback0
ip address 3.3.3.3 255.255.255.0
!
interface Serial0
ip address 36.36.36.3 255.255.255.0
clockrate 64000
!
interface Serial1
ip address 23.23.23.3 255.255.255.0
!
router eigrp 2
network 3.0.0.0
network 23.0.0.0
network 36.0.0.0
auto-summary
!
End
3.7.4. 实验验证
1、查看路由器下一跳后继路由器地址、到后继路由器的可行距离、后继路由器的通告距离，验证等价eigrp负载均衡。
R6#show ip eigrp topology
P 2.0.0.0/8, 1 successors, FD is 2297856
via 26.26.26.2 (2297856/128256), Serial0/1
P 3.0.0.0/8, 1 successors, FD is 2297856
via 36.36.36.3 (2297856/128256), Serial1/0
P 6.0.0.0/8, 1 successors, FD is 128256
via Summary (128256/0), Null0
P 6.6.6.0/24, 1 successors, FD is 128256
via Connected, Loopback0
P 23.0.0.0/8, 2 successors, FD is 2681856
via 26.26.26.2 (2681856/2169856), Serial0/1
via 36.36.36.3 (2681856/2169856), Serial1/0
P 26.0.0.0/8, 1 successors, FD is 2169856
via Summary (2169856/0), Null0
P 26.26.26.0/24, 1 successors, FD is 2169856
via Connected, Serial0/1
P 36.0.0.0/8, 1 successors, FD is 2169856
via Summary (2169856/0), Null0
P 36.36.36.0/24, 1 successors, FD is 2169856
注：R6到达目的网络地址23.0.0.0/8，有两个后继路由器，下一跳后继路由器地址分别为26.26.26.2、36.36.36.3，可行距离都为2681856，通告距离为2169856，路由器R6到达目的网络23.0.0.0/8 ，等价eigrp负载均衡。
2、验证路由器之间eigrp负载均衡
R6#traceroute
Protocol [ip]:
Target IP address: 23.23.23.3
Source address:
Numeric display [n]:
Timeout in seconds [3]:
Probe count [3]: 10
Minimum Time to Live [1]:
Maximum Time to Live [30]:
Port Number [33434]:
Loose, Strict, Record, Timestamp, Verbose[none]:
Type escape sequence to abort.
Tracing the route to 23.23.23.3
36.36.36.3 20 msec
26.26.26.2 20 msec
36.36.36.3 20 msec
26.26.26.2 20 msec
36.36.36.3 20 msec
26.26.26.2 20 msec
36.36.36.3 20 msec
26.26.26.2 20 msec
36.36.36.3 20 msec
26.26.26.2 20 msec
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