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 路由的问题 - YGL23 [ 2005-09-11 20:41 | 2,961 byte(s)]
 Re: 路由的问题 - Atu [ 2005-09-12 09:08 | 316 byte(s)]
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网络配置及路由表信息如下,现在linux主机两侧的1.0网段和0.0网段的机器不能互访,在linux上可以ping通任何一方。1.0和0.0网段内的机器也可以ping通linux路由器。
[root@yang root]# more /proc/sys/net/ipv4/ip_forward
1
[root@yang root]# ifconfig
eth0 Link encap:Ethernet HWaddr 10:E0:8C:51:93:EB
inet addr:192.168.1.1 Bcast:192.168.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:5204 errors:0 dropped:0 overruns:0 frame:0
TX packets:3365 errors:0 dropped:0 overruns:0 carrier:0
collisions:8 txqueuelen:100
RX bytes:455014 (444.3 Kb) TX bytes:409798 (400.1 Kb)
Interrupt:10 Base address:0x3000
eth1 Link encap:Ethernet HWaddr 00:E0:4C:42:0C:3A
inet addr:192.168.1.2 Bcast:192.168.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1208 errors:0 dropped:0 overruns:0 frame:0
TX packets:1087 errors:0 dropped:0 overruns:0 carrier:0
collisions:3 txqueuelen:100
RX bytes:111944 (109.3 Kb) TX bytes:138147 (134.9 Kb)
Interrupt:11 Base address:0x5000
eth2 Link encap:Ethernet HWaddr 00:E0:4C:B0:17:6A
inet addr:192.168.0.224 Bcast:192.168.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:572 errors:0 dropped:0 overruns:0 frame:0
TX packets:253 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:70377 (68.7 Kb) TX bytes:22601 (22.0 Kb)
Interrupt:11 Base address:0x7000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:84 errors:0 dropped:0 overruns:0 frame:0
TX packets:84 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:6882 (6.7 Kb) TX bytes:6882 (6.7 Kb)
[root@yang root]# route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.1.0 * 255.255.255.0 U 0 0 0 eth0
192.168.0.0 * 255.255.255.0 U 0 0 0 eth2
169.254.0.0 * 255.255.0.0 U 0 0 0 eth2
127.0.0.0 * 255.0.0.0 U 0 0 0 lo
default 192.168.0.2 0.0.0.0 UG 0 0 0 eth2
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狮子的雄心,骆驼的耐力,孩子的执着!!!
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1.两边的机器是否把网关分别设置正确?
2.你的Linux机器的eth0和eth1都设置成192.168.1.x/24是错误的,
虽然你的环境中它可能能够工作,但是它确实是错误的——除非你确切知道你在做什么。
3.在两边的机器上用traceroute(for Linux)或tracert(For Win32)
4.在你的Linux上tcpdump
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