EIGRP

wsyanlin

R1  s1/0   10.1.2.1        s1/1  10.1.2.4     Fa0/0   192.168.10.1    Fa0/1 192.168.20.1
R2 s1/0   10.1.2.2        s1/1  10.1.2.3     Fa0/0   192.168.30.1    Fa0/1 192.168.40.1
掩码：255.255.255.0

R1
router eigrp 10
network 10.0.0.0
network 192.168.10.0
network 192.168.20.0

R1#sh ip route
D    192.168.30.0/24 [90/2172416] via 10.1.2.2, 00:04:39, Serial1/0
                     [90/2172416] via 10.1.2.3, 00:04:39, Serial1/1
C    192.168.10.0/24 is directly connected, FastEthernet0/0
D    192.168.40.0/24 [90/2172416] via 10.1.2.2, 00:04:29, Serial1/0
                     [90/2172416] via 10.1.2.3, 00:04:29, Serial1/1
C    192.168.20.0/24 is directly connected, FastEthernet0/1
     10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C       10.1.2.0/24 is directly connected, Serial1/0
                    is directly connected, Serial1/1
D       10.0.0.0/8 is a summary, 00:04:54, Null0

R2
router eigrp 10
network 10.0.0.0
network 192.168.30.0
network 192.168.40.0

R2#sh ip route

C    192.168.30.0/24 is directly connected, FastEthernet0/0
D    192.168.10.0/24 [90/2172416] via 10.1.2.1, 00:04:11, Serial1/0
                     [90/2172416] via 10.1.2.4, 00:04:11, Serial1/1
C    192.168.40.0/24 is directly connected, FastEthernet0/1
D    192.168.20.0/24 [90/2172416] via 10.1.2.1, 00:04:11, Serial1/0
                     [90/2172416] via 10.1.2.4, 00:04:11, Serial1/1
     10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C       10.1.2.0/24 is directly connected, Serial1/0
                    is directly connected, Serial1/1
D       10.0.0.0/8 is a summary, 00:04:11, Null0

求解释一下R1的S1/0，S1/1与R2的S1/0，S1/1四个串口在同一网段10.1.2.0/24有什么用？是EIGRP负载均衡吗，共享带宽吗？
如果他们不在同一网段的话，R1与R2间的两条链路，配完EIGRP不是默认已是经负载均衡了吗？这样做有什么意义啊！

Viger

路由器的每个接口都是一个单独的网段，所以不可能在一个网段。