无法ping通网关，但局域网内其它设备都能ping通，这是肿么了？

[wumy_ld]

Ubuntu系统，能与局域网内的其它电脑互相ping通，但就这台设备无法ping通网关，其它设备没有该问题，怎么回事呢？

route命令：

root@iis-Lenovo:~/ur0svn/trunk# route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         192.168.1.1     0.0.0.0         UG    0      0        0 eth0
default         192.168.1.1     0.0.0.0         UG    100    0        0 eth0
link-local      *               255.255.0.0     U     1000   0        0 eth0
192.168.1.0     *               255.255.255.0   U     0      0        0 eth0

网络配置：

root@iis-Lenovo:~/ur0svn/trunk# cat /etc/network/interfaces 
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static
address 192.168.1.200
gateway 192.168.1.1
netmask 255.255.255.0

dns-nameservers 180.76.76.76
dns-nameservers 223.5.5.5

root@iis-Lenovo:~/ur0svn/trunk# ifconfig 
eth0      Link encap:Ethernet  HWaddr 44:8a:5b:bf:73:c8  
          inet addr:192.168.1.200  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::468a:5bff:febf:73c8/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:57048 errors:0 dropped:0 overruns:0 frame:0
          TX packets:30695 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:9744051 (9.7 MB)  TX bytes:18666084 (18.6 MB)
          Interrupt:45 Base address:0xe000 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:2145 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2145 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:150435 (150.4 KB)  TX bytes:150435 (150.4 KB)

[刻出一道孤独]

怎么会有两个default，metric值还不一样。。。

[笨笨仔]

网关的防火墙可能禁掉了Ping

[Darryfei]

网关设置了对ICMP响应的限制？

[AbnerCV]

网关设置了对ICMP响应的限制？