各位大侠求指导啊~！！

我让GNS3与本地的vmnet1网卡桥接，然后发生了这样的事情：

GNS3 桥接本地网卡实验
  
Router#show run
Building configuration...

interface FastEthernet0/0
 ip address 10.10.10.2 255.255.255.0
 duplex half
!
interface FastEthernet1/0
 ip address 1.1.1.2 255.255.255.0
 duplex half
!
interface FastEthernet2/0
 no ip address
 shutdown
 duplex half
!!
no ip http server
no ip http secure-server
!
end

从本地可以ping通10.1.1.2：
Router#
*Dec 28 14:39:49.391: ICMP: echo reply sent, src 10.10.10.2, dst 10.10.10.1
*Dec 28 14:39:50.363: ICMP: echo reply sent, src 10.10.10.2, dst 10.10.10.1
*Dec 28 14:39:51.379: ICMP: echo reply sent, src 10.10.10.2, dst 10.10.10.1
*Dec 28 14:39:52.371: ICMP: echo reply sent, src 10.10.10.2, dst 10.10.10.1

但router无法ping通10.1.1.1
Router#ping 10.10.10.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.10.10.1, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)

Router的arp表中有本地网卡信息：
Router#show arp
Protocol  Address          Age (min)  Hardware Addr   Type   Interface
Internet  1.1.1.1                 7   0026.9eab.86c0  ARPA   FastEthernet1/0
Internet  1.1.1.2                 -   ca00.0f50.001c  ARPA   FastEthernet1/0
Internet  10.10.10.2              -   ca00.0f50.0000  ARPA   FastEthernet0/0
Internet  10.10.10.1              5   0050.56c0.0001  ARPA   FastEthernet0/0

系统：防火墙已关掉
 

请问各位大神。。。这是神马原因？？