思科模拟时本地pc机ping外网时 丢包50% 哪位大神帮我看为什么

我把我的pkt文件上传 大神帮我看看 谢谢了

路由器上的配置
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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 R1
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enable secret 5 $1$mERr$H7PDxl7VYMqaD3id4jJVK/
enable password cisco
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spanning-tree mode pvst
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interface FastEthernet0/0
ip address 192.168.0.1 255.255.255.0
ip nat inside
duplex auto
speed auto
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interface FastEthernet0/1
ip address 172.17.19.33 255.255.255.0
ip nat outside
duplex auto
speed auto
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interface Vlan1
no ip address
shutdown
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router rip
version 2
network 192.168.1.0
network 192.168.2.0
network 192.168.3.0
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ip nat pool 1 172.17.19.33 172.17.19.33 netmask 255.255.255.0
ip nat inside source list 1 pool 1 overload
ip nat inside source list 2 pool 1 overload
ip nat inside source list 3 pool 1 overload
ip classless
ip route 192.168.0.0 255.255.255.0 192.168.0.2
ip route 0.0.0.0 0.0.0.0 192.168.0.2
ip route 0.0.0.0 0.0.0.0 FastEthernet0/1
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access-list 1 permit 192.168.0.0 0.0.0.255
access-list 2 permit 192.168.1.0 0.0.0.255
access-list 3 permit 192.168.0.0 0.0.255.255
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line con 0
line vty 0 4
password cisco
login
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end
交换机配置
version 12.2
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 dhcp excluded-address 192.168.1.1 192.168.1.10
ip dhcp excluded-address 192.168.2.1 192.168.2.10
ip dhcp excluded-address 192.168.3.1 192.168.3.10
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ip dhcp pool test
network 192.168.1.0 255.255.255.0
default-router 192.168.1.1
dns-server 192.168.1.10
ip dhcp pool test2
network 192.168.2.0 255.255.255.0
default-router 192.168.2.1
dns-server 192.168.2.10
ip dhcp pool tset3
network 192.168.3.0 255.255.255.0
default-router 192.168.1.1
dns-server 192.168.3.10
ip dhcp pool test3
network 192.168.3.0 255.255.255.0
default-router 192.168.3.1
dns-server 192.168.3.10
ip routing
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spanning-tree mode pvst
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interface FastEthernet0/1
switchport mode access
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interface FastEthernet0/2
switchport mode access
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interface FastEthernet0/3
switchport access vlan 2
switchport mode access
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interface FastEthernet0/4
switchport access vlan 2
switchport mode access
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interface FastEthernet0/5
switchport access vlan 3
switchport mode access
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interface FastEthernet0/6
switchport access vlan 3
switchport mode access
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interface FastEthernet0/7
no switchport
ip address 192.168.0.2 255.255.255.0
duplex auto
speed auto
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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
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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
ip address 192.168.2.1 255.255.255.0
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interface Vlan3
ip address 192.168.3.1 255.255.255.0
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router rip
version 2
no auto-summary
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ip classless
ip route 0.0.0.0 0.0.0.0 192.168.0.1
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line con 0
line vty 0 4
login
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end