路由器ping外网丢包.帮忙看看是那里的原因?(已解决)

jk0wg

以下是PING网易的丢包情况.

1. Reply from 220.181.28.52: bytes=32 time=63ms TTL=52
   
2. Request timed out.
   
3. Reply from 220.181.28.52: bytes=32 time=76ms TTL=52
   
4. Reply from 220.181.28.52: bytes=32 time=72ms TTL=52
   
5. Reply from 220.181.28.52: bytes=32 time=80ms TTL=52
   
6. Reply from 220.181.28.52: bytes=32 time=61ms TTL=52
   
7. Reply from 220.181.28.52: bytes=32 time=72ms TTL=52
   
8. Reply from 220.181.28.52: bytes=32 time=70ms TTL=52
   
9. Request timed out.
   
10. Reply from 220.181.28.52: bytes=32 time=82ms TTL=52
    
11. Request timed out.
    
12. Reply from 220.181.28.52: bytes=32 time=76ms TTL=52
    
13. Reply from 220.181.28.52: bytes=32 time=76ms TTL=52
    
14. Reply from 220.181.28.52: bytes=32 time=68ms TTL=52
    
15. Reply from 220.181.28.52: bytes=32 time=79ms TTL=52
    
16. Request timed out.
    
17. Reply from 220.181.28.52: bytes=32 time=70ms TTL=52
    
18. Reply from 220.181.28.52: bytes=32 time=75ms TTL=52
    
19. Reply from 220.181.28.52: bytes=32 time=81ms TTL=52
    
20. Reply from 220.181.28.52: bytes=32 time=85ms TTL=52
    
21. Reply from 220.181.28.52: bytes=32 time=69ms TTL=52
    
22. Reply from 220.181.28.52: bytes=32 time=67ms TTL=52
    
23. Reply from 220.181.28.52: bytes=32 time=80ms TTL=52
    
24. Reply from 220.181.28.52: bytes=32 time=81ms TTL=52
    
25. Request timed out.
    
26. Reply from 220.181.28.52: bytes=32 time=68ms TTL=52
    
27. Reply from 220.181.28.52: bytes=32 time=77ms TTL=52

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路由器脚本:

1. #!/bin/bash
   
2. echo 1 > /proc/sys/net/ipv4/ip_forward
   
3. /sbin/modprobe ip_conntrack_ftp
   
4. /sbin/modprobe ip_nat_ftp
   
5. /sbin/iptables -F -t filter
   
6. /sbin/iptables -F -t nat
   
7. /sbin/iptables -P INPUT DROP
   
8. /sbin/iptables -P OUTPUT ACCEPT
   
9. /sbin/iptables -P FORWARD ACCEPT
   
10. /sbin/iptables -t nat -P PREROUTING ACCEPT
    
11. /sbin/iptables -t nat -P POSTROUTING ACCEPT
    
12. /sbin/iptables -t nat -P OUTPUT ACCEPT
    
13. 
    
14. # ALLOW ALL IN PRIVATE NET
    
15. /sbin/iptables -A INPUT -i eth1 -j ACCEPT
    
16. 
    
17. # KEEP CONNECTIONS
    
18. /sbin/iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
    
19. 
    
20. # NAT
    
21. /sbin/iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -o eth0 -j SNAT --to 210.113.*.*

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网络连接情况:

1. [odsnlrbq@route etc]$ /usr/bin/sar -n DEV 2 1
   
2. Linux 2.4.21-27.0.2.EL (route)
   
3. IFACE   rxpck/s   txpck/s   rxbyt/s   txbyt/s   rxcmp/s   txcmp/s  rxmcst/s
   
4.         lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
   
5.       eth0   2479.05   2587.84 1512365.54 666432.43      0.00      0.00      0.00
   
6.       eth1   2591.89   2231.76 667495.95 1484487.84      0.00      0.00      0.00
   
7. 
   
8. Average:        IFACE   rxpck/s   txpck/s   rxbyt/s   txbyt/s   rxcmp/s   txcmp/s  rxmcst/s
   
9. Average:           lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
   
10. Average:         eth0   2479.05   2587.84 1512365.54 666432.43      0.00      0.00      0.00
    
11. Average:         eth1   2591.89   2231.76 667495.95 1484487.84      0.00      0.00      0.00

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[ 本帖最后由 jk0wg 于 2007-12-1 03:25 编辑 ]

jk0wg

内网接口的状态:

1. 
   
2. eth1      Link encap:Ethernet  HWaddr 00:0A:EB:97:5A:E5
   
3.           inet addr:192.168.0.254  Bcast:192.168.0.255  Mask:255.255.255.0
   
4.           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
   
5.           RX packets:1860887 errors:0 dropped:0 overruns:0 frame:0
   
6.           TX packets:1618328 errors:0 dropped:0 overruns:2 carrier:0
   
7.           collisions:0 txqueuelen:1000
   
8.           RX bytes:429213171 (409.3 Mb)  TX bytes:1185293554 (1130.3 Mb)
   
9.           Interrupt:11 Base address:0xf000
   

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外网接口的状态:

1. eth0      Link encap:Ethernet  HWaddr 00:8:*:*:*:*
   
2.           inet addr:220.*.*.*  Bcast:220.*.*.*  Mask:255.255.255.252
   
3.           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
   
4.           RX packets:2142420 errors:0 dropped:0 overruns:0 frame:0
   
5.           TX packets:2032082 errors:0 dropped:0 overruns:3 carrier:0
   
6.           collisions:0 txqueuelen:1000
   
7.           RX bytes:1366911528 (1303.5 Mb)  TX bytes:471374061 (449.5 Mb)
   
8.           Interrupt:12 Base address:0xd000
   

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感觉数据很大. 不知道是否正常??

[ 本帖最后由 jk0wg 于 2007-12-1 02:01 编辑 ]

jk0wg

找到原因了.  内网有人下载东西. 最后通过限速后.正常了.

lxw2016

LZ用什么限速的?tc还是其它软件?可否介绍一下!

jk0wg

原帖由 lxw2016 于 2007-12-1 15:42 发表
LZ用什么限速的?tc还是其它软件?可否介绍一下!

我用的是白金老大的方法:

http://linux.chinaunix.net/bbs/v ... ;highlight=platinum