贴出拓扑和相关配置，大佬们看一下为啥三层交换机路由表里除了直连没有重分组的路由条目
左交换机配置：
Building configuration...
Current configuration : 1338 bytes
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version 12.2(37)SE1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
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hostname Switch
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ip routing
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spanning-tree mode pvst
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interface FastEthernet0/1
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interface FastEthernet0/2
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interface FastEthernet0/3
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interface FastEthernet0/4
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interface FastEthernet0/5
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interface FastEthernet0/6
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interface FastEthernet0/7
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interface FastEthernet0/8
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interface FastEthernet0/9
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interface FastEthernet0/10
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interface FastEthernet0/11
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interface FastEthernet0/12
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interface FastEthernet0/13
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interface FastEthernet0/14
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interface FastEthernet0/15
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interface FastEthernet0/16
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interface FastEthernet0/17
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interface FastEthernet0/18
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interface FastEthernet0/19
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interface FastEthernet0/20
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interface FastEthernet0/21
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interface FastEthernet0/22
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interface FastEthernet0/23
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interface FastEthernet0/24
switchport access vlan 2
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interface GigabitEthernet0/1
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interface GigabitEthernet0/2
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interface Vlan1
ip address 192.168.1.1 255.255.255.0
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interface Vlan2
mac-address 00d0.97a1.d101
ip address 192.168.3.1 255.255.255.0
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router rip
version 2
network 192.168.1.0
network 192.168.3.0
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ip classless
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ip flow-export version 9
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line con 0
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line aux 0
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line vty 0 4
login
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!
end
中间路由器配置：
Building configuration...
Current configuration : 753 bytes
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version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
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hostname Router
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no ip cef
no ipv6 cef
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spanning-tree mode pvst
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interface FastEthernet0/0
ip address 192.168.3.2 255.255.255.0
duplex auto
speed auto
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interface FastEthernet0/1
ip address 192.168.4.1 255.255.255.0
duplex auto
speed auto
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interface Vlan1
no ip address
shutdown
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router ospf 1
log-adjacency-changes
redistribute rip subnets
network 192.168.4.0 0.0.0.255 area 0
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router rip
version 2
redistribute ospf 1
network 192.168.3.0
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ip classless
!
ip flow-export version 9
!
!
!
!
!
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!
line con 0
!
line aux 0
!
line vty 0 4
login
!
!
!
end
右路由器配置：
Building configuration...
Current configuration : 694 bytes
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version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Router
!
!
!
!
!
!
!
!
ip cef
no ipv6 cef
!
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!
!
!
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!
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spanning-tree mode pvst
!
!
!
!
!
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interface FastEthernet0/0
ip address 192.168.4.2 255.255.255.0
duplex auto
speed auto
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interface FastEthernet0/1
ip address 192.168.2.1 255.255.255.0
duplex auto
speed auto
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interface Vlan1
no ip address
shutdown
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router ospf 1
log-adjacency-changes
network 192.168.2.0 0.0.0.255 area 0
network 192.168.4.0 0.0.0.255 area 0
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ip classless
!
ip flow-export version 9
!
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!
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line con 0
!
line aux 0
!
line vty 0 4
login
!
!
!
end
求解！！！