EIGRP 不等价负载均衡，高手给看看

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   今天学习EIGRP 不等价负载均衡说 若路由不属于可行后继路由，则不能被添加到负载均衡中。于是特意做了一个实验，实验结果如下图：

r2 环回口 2.2.2.2  R3 3.3.3.3
R2到R4环回口的不等价路由
查看R2的拓扑表
R2#show ip eigrp topology all-links
EIGRP-IPv4 Topology Table for AS(100)/ID(2.2.2.2)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status
P 24.1.1.0/24, 1 successors, FD is 281600, serno 135
        via Connected, Ethernet3/0
P 2.2.2.0/24, 1 successors, FD is 128256, serno 3
        via Connected, Loopback1
P 23.1.1.0/24, 1 successors, FD is 30976, serno 123
        via Connected, FastEthernet2/0
        via 23.3.3.3 (284160/28160), Ethernet3/3
        via 23.2.2.3 (30720/28160), FastEthernet2/1
P 3.3.3.0/24, 4 successors, FD is 158976, serno 157
        via 23.1.1.3 (158976/128256), FastEthernet2/0
        via 23.2.2.3 (156160/128256), FastEthernet2/1
        via 23.3.3.3 (409600/128256), Ethernet3/3
        via 24.1.1.4 (435200/409600), Ethernet3/0
P 34.1.1.0/24, 4 successors, FD is 284160, serno 156
        via 23.1.1.3 (284160/281600), FastEthernet2/0
        via 23.2.2.3 (284160/281600), FastEthernet2/1
        via 23.3.3.3 (307200/281600), Ethernet3/3
        via 24.1.1.4 (307200/281600), Ethernet3/0
P 12.1.1.0/24, 1 successors, FD is 28160, serno 4
        via Connected, FastEthernet1/0
P 23.2.2.0/24, 1 successors, FD is 28160, serno 118
        via Connected, FastEthernet2/1
        via 23.3.3.3 (284160/28160), Ethernet3/3
        via 23.1.1.3 (33536/28160), FastEthernet2/0
P 4.4.4.0/24, 1 successors, FD is 409600, serno 158
        via 24.1.1.4 (409600/128256), Ethernet3/0
        via 23.1.1.3 (412160/409600), FastEthernet2/0
        via 23.2.2.3 (412160/409600), FastEthernet2/1
        via 23.3.3.3 (435200/409600), Ethernet3/3
P 23.3.3.0/24, 1 successors, FD is 281600, serno 112
        via Connected, Ethernet3/3
        via 23.1.1.3 (284160/281600), FastEthernet2/0
        via 23.2.2.3 (284160/281600), FastEthernet2/1

路由3.3.3.0的，其中e3/0口的AD大于FD，所以不是可行后继路由，但是在路由进程下配置不等价负责，却可以负载，请问为什么？

R2#show run | be router eig
router eigrp 100
variance 3
network 2.2.2.0 0.0.0.255
network 12.1.1.0 0.0.0.255
network 23.1.1.0 0.0.0.255
network 23.2.2.0 0.0.0.255
network 23.3.3.0 0.0.0.255
network 24.1.1.0 0.0.0.255
!


R2#show ip route
Codes: L - local, 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, H - NHRP, l - LISP
       + - replicated route, % - next hop override
Gateway of last resort is not set
      2.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        2.2.2.0/24 is directly connected, Loopback1
L        2.2.2.2/32 is directly connected, Loopback1
      3.0.0.0/24 is subnetted, 1 subnets
D        3.3.3.0 [90/435200] via 24.1.1.4, 00:13:59, Ethernet3/0
                 [90/409600] via 23.3.3.3, 00:13:59, Ethernet3/3
                 [90/156160] via 23.2.2.3, 00:13:59, FastEthernet2/1
                 [90/158976] via 23.1.1.3, 00:13:59, FastEthernet2/0
      4.0.0.0/24 is subnetted, 1 subnets
D        4.4.4.0 [90/409600] via 24.1.1.4, 00:13:59, Ethernet3/0
      12.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        12.1.1.0/24 is directly connected, FastEthernet1/0
L        12.1.1.2/32 is directly connected, FastEthernet1/0
      23.0.0.0/8 is variably subnetted, 6 subnets, 2 masks
C        23.1.1.0/24 is directly connected, FastEthernet2/0
L        23.1.1.2/32 is directly connected, FastEthernet2/0
C        23.2.2.0/24 is directly connected, FastEthernet2/1
L        23.2.2.2/32 is directly connected, FastEthernet2/1
C        23.3.3.0/24 is directly connected, Ethernet3/3
L        23.3.3.2/32 is directly connected, Ethernet3/3
      24.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        24.1.1.0/24 is directly connected, Ethernet3/0
L        24.1.1.2/32 is directly connected, Ethernet3/0
      34.0.0.0/24 is subnetted, 1 subnets
D        34.1.1.0 [90/307200] via 24.1.1.4, 00:13:59, Ethernet3/0
                  [90/307200] via 23.3.3.3, 00:13:59, Ethernet3/3
                  [90/284160] via 23.2.2.3, 00:13:59, FastEthernet2/1
                  [90/284160] via 23.1.1.3, 00:13:59, FastEthernet2/0
求高手解释一下 谢谢


R2#
搜索

84983251

BUG了 连 后继器的选举都存在问题  建议clear ip eigrp neighbors
                                                          clear ip rout *
P 3.3.3.0/24, 4 successors, FD is 158976, serno 157        via 23.1.1.3 (158976/128256), FastEthernet2/0        via 23.2.2.3 (156160/128256), FastEthernet2/1        via 23.3.3.3 (409600/128256), Ethernet3/3        via 24.1.1.4 (435200/409600), Ethernet3/0

S 的DF事156160才对
如果还是不行  就换IOS吧

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