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<br /><br />十分感谢阿南!下面说说我的问题,目标板s3c2410,运行linux,主机运行winxp+redhat,双机交叉网线连接。主机ip:192.168.253.1,目标板ip:192.168.253.8<br /><br /><B>主机现象如下:</B><br /><br /><B>[root@localhost root]# ifconfig<br /></B>eth0 Link encap:Ethernet HWaddr 00:04:61:67:A5:19<br /> inet addr:192.168.253.1 Bcast:192.168.253.255 Mask:255.255.255.0<br /> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1<br /> RX packets:0 errors:0 dropped:0 overruns:0 frame:0<br /> TX packets:4 errors:0 dropped:0 overruns:0 carrier:0<br /> collisions:0 txqueuelen:100<br /> RX bytes:0 (0.0 b) TX bytes:240 (240.0 b)<br /> Interrupt:22 Base address:0x4000<br /><br />lo Link encap:Local Loopback<br /> inet addr:127.0.0.1 Mask:255.0.0.0<br /> UP LOOPBACK RUNNING MTU:16436 Metric:1<br /> RX packets:728 errors:0 dropped:0 overruns:0 frame:0<br /> TX packets:728 errors:0 dropped:0 overruns:0 carrier:0<br /> collisions:0 txqueuelen:0<br /> RX bytes:37890 (37.0 Kb) TX bytes:37890 (37.0 Kb)<br /><br />[root@localhost root]#<br />[root@localhost root]#<br />[root@localhost root]#<br /><B>[root@localhost root]# route</B><br />Kernel IP routing table<br />Destination Gateway Genmask Flags Metric Ref Use Iface<br />192.168.253.0 * 255.255.255.0 U 0 0 0 eth0<br />169.254.0.0 * 255.255.0.0 U 0 0 0 eth0<br />127.0.0.0 * 255.0.0.0 U 0 0 0 lo<br />default 192.168.253.254 0.0.0.0 UG 0 0 0 eth0<br /><br />[root@localhost root]#<br />[root@localhost root]#<br />[root@localhost root]#<br /><B>[root@localhost root]# ping -c 3 192.168.253.1<br /></B>PING 192.168.253.1 (192.168.253.1) 56(84) bytes of data.<br />64 bytes from 192.168.253.1: icmp_seq=1 ttl=64 time=0.021 ms<br />64 bytes from 192.168.253.1: icmp_seq=2 ttl=64 time=0.016 ms<br />64 bytes from 192.168.253.1: icmp_seq=3 ttl=64 time=0.017 ms<br /><br />--- 192.168.253.1 ping statistics ---<br />3 packets transmitted, 3 received, 0% packet loss, time 1998ms<br />rtt min/avg/max/mdev = 0.016/0.018/0.021/0.002 ms<br />[root@localhost root]#<br />[root@localhost root]#<br />[root@localhost root]#<br /><B>[root@localhost root]# ping -c 3 192.168.253.8</B><br />PING 192.168.253.8 (192.168.253.8) 56(84) bytes of data.<br />From 192.168.253.1 icmp_seq=1 Destination Host Unreachable<br />From 192.168.253.1 icmp_seq=2 Destination Host Unreachable<br />From 192.168.253.1 icmp_seq=3 Destination Host Unreachable<br /><br />--- 192.168.253.8 ping statistics ---<br />3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 1999ms<br />, pipe 3<br />[root@localhost root]#<br />[root@localhost root]#<br /><br /><B>目标板现象如下:</B><br /><br /><B>[@lyt /]# ifconfig eth0 192.168.253.8 netmask 255.255.255.0 up</B><br />eth0: using half-duplex 10Base-T (RJ-45)<br /><B>[@lyt /]# ifconfig<br /></B>eth0 Link encap:Ethernet HWaddr 00:09:C0:FF:EC:48<br /> inet addr:192.168.253.8 Bcast:192.168.253.255 Mask:255.255.255.0<br /> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1<br /> RX packets:0 errors:0 dropped:320 overruns:0 frame:0<br /> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0<br /> collisions:64 txqueuelen:1000<br /> RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)<br /> Interrupt:53 Base address:0x300<br /> <br />lo Link encap:Local Loopback<br /> inet addr:127.0.0.1 Mask:255.0.0.0<br /> UP LOOPBACK RUNNING MTU:16436 Metric:1<br /> RX packets:0 errors:0 dropped:0 overruns:0 frame:0<br /> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0<br /> collisions:0 txqueuelen:0<br /> RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)<br />[@lyt /]# <br />[@lyt /]# <br />[@lyt /]# <br /><B>[@lyt /]# ping -c 3 192.168.253.8</B><br />PING 192.168.253.8 (192.168.253.8): 56 data bytes<br />64 bytes from 192.168.253.8: icmp_seq=0 ttl=64 time=0.9 ms<br />64 bytes from 192.168.253.8: icmp_seq=1 ttl=64 time=0.3 ms<br />64 bytes from 192.168.253.8: icmp_seq=2 ttl=64 time=0.4 ms<br /> <br />--- 192.168.253.8 ping statistics ---<br />3 packets transmitted, 3 packets received, 0% packet loss<br />round-trip min/avg/max = 0.3/0.5/0.9 ms<br />[@lyt /]#<br />[@lyt /]#<br />[@lyt /]#<br /><B>[@lyt /]# ping -c 3 192.168.253.1</B><br />PING 192.168.253.1 (192.168.253.1): 56 data bytes<br /> <br />--- 192.168.253.1 ping statistics ---<br />3 packets transmitted, 0 packets received, 100% packet loss<br />[@lyt /]#<br /><br /><B>主机网卡信息如下:网卡模式自适应和10m半双工都试过,不好使。</B><br />[root@localhost root]#<br /><B>[root@localhost root]# mii-tool -v<br /></B>eth0: autonegotiation failed, link ok<br /> product info: vendor 00:00:00, model 0 rev 0<br /> basic mode: autonegotiation enabled<br /> basic status: autonegotiation complete, link ok<br /> capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD<br /> advertising: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD<br />[root@localhost root]#<br /><B>目标板上route和mii-tool命令使不了</B>
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