dai435920 发表于 2008-11-15 22:57:43

YES东 发表于 2008-11-15 22:58:54

建议把线路状态给一下才好判断！一般是线路问题居多

dai435920 发表于 2008-11-15 23:03:02

YES东 发表于 2008-11-15 23:09:40

原帖由 dai435920 于 2008-11-15 23:03 发表 https://www.chinadsl.net/images/common/back.gif
不知道你说的线路状态是指什么，我用以前的猫上一台电脑下载速度还不错也不掉
猫获取到的线路状态，如衰减、信噪比之类的

superpillow 发表于 2008-11-21 20:40:42

我也有相同问题！！
firmware version is 5..2.0b_E09_OV。上一段LOG给高手分析看看
System Log      

Date/Time Facility Severity Message
Jan 1 00:00:21 user crit kernel: ADSL G.992 channel analysis
Jan 1 00:00:22 user debug syslog: pppd -c 0.8.81.1 -i nas_0_8_81 -u ad56948075 -p ******** -f 0 -m 00901a414bcc/1e6d &
Jan 1 00:00:22 daemon notice pppd: pppd 2.4.1 started by admin, uid 0
Jan 1 00:00:26 user crit kernel: ADSL G.992 message exchange
Jan 1 00:00:26 user crit kernel: ADSL link up, fast, us=576, ds=2304
Jan 1 00:00:26 user warn kernel: ATM Soft SAR: ATM link connected.
Jan 1 00:00:28 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Jan 1 00:00:28 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Jan 1 00:00:28 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Jan 1 00:00:28 user debug syslog: iptables -t nat -A PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107
Jan 1 00:00:28 daemon notice pppd: PPP: Start to connect ...
Jan 1 00:00:32 user debug syslog: ebtables -t broute -A BROUTING -j mark --set-mark 0x0004 -p IPV4 --ip-proto 6 --ip-src 192.168.10.2/24 -i eth0
Jan 1 00:00:32 user debug syslog: ebtables -t broute -A BROUTING -j mark --set-mark 0x0004 -p IPV4 --ip-proto 17 --ip-src 192.168.10.2/24 -i eth0
Jan 1 00:01:00 daemon notice pppd: PPP: Start to connect ...
Jan 1 00:01:00 daemon crit pppd: PPP server detected.
Jan 1 00:01:01 daemon crit pppd: PPP session established.
Jan 1 00:01:03 daemon crit pppd: PPP LCP UP.
Jan 1 00:01:04 daemon crit pppd: Received valid IP address from server. Connection UP.
Jan 1 00:01:06 user debug syslog: route add default gw 222.69.8.1 2>/dev/null
Jan 1 00:01:06 user debug syslog: iptables -D FORWARD -o ppp_0_8_81_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu 2> /dev/null
Jan 1 00:01:06 user debug syslog: iptables -D FORWARD -i ppp_0_8_81_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu 2> /dev/null
Jan 1 00:01:06 user debug syslog: iptables -A FORWARD -o ppp_0_8_81_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
Jan 1 00:01:06 user debug syslog: iptables -A FORWARD -i ppp_0_8_81_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
Jan 1 00:01:07 user debug syslog: echo > /proc/net/ip_conntrack
Jan 1 00:01:07 user debug syslog: echo "200" > /proc/sys/net/ipv4/ip_conntrack_max
Jan 1 00:01:07 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Jan 1 00:01:07 user debug syslog: iptables -t nat -D POSTROUTING -o ppp_0_8_81_1 -s 192.168.10.0/255.255.255.0 -j MASQUERADE 2>/dev/null
Jan 1 00:01:07 user debug syslog: iptables -t nat -A POSTROUTING -o ppp_0_8_81_1 -s 192.168.10.0/255.255.255.0 -j MASQUERADE
Jan 1 00:01:07 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 202.96.209.6 2>/dev/null
Jan 1 00:01:07 user debug syslog: iptables -t nat -A PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 202.96.209.6
Jan 1 00:01:07 user debug syslog: /bin/dnsprobe &
Jan 1 00:01:07 user debug syslog: upnp -L br0 -W ppp_0_8_81_1 -D
Jan 1 00:01:07 user notice dnsprobe: dnsprobe started!
Jan 1 00:01:08 user debug syslog: iptables -t filter -D OUTPUT -o ppp_0_8_81_1 -d 239.255.255.250 -j DROP 2>/dev/null
Jan 1 00:01:08 user debug syslog: iptables -t filter -D OUTPUT -o ppp_0_8_81_1 -d 239.255.255.250 -j DROP 2>/dev/null
Jan 1 00:01:08 user debug syslog: iptables -t filter -I OUTPUT -o ppp_0_8_81_1 -d 239.255.255.250 -j DROP 2>/dev/null
Jan 1 00:01:08 user debug syslog: iptables -D INPUT -p ALL -i ppp_0_8_81_1 -m state --state ESTABLISHED,RELATED -j ACCEPT 2> /dev/null
Jan 1 00:01:08 user debug syslog: iptables -D FORWARD -p ALL -i ppp_0_8_81_1 -m state --state ESTABLISHED,RELATED -j ACCEPT 2>/dev/null
Jan 1 00:01:08 user debug syslog: iptables -I INPUT -p ALL -i ppp_0_8_81_1 -m state --state ESTABLISHED,RELATED -j ACCEPT
Jan 1 00:01:08 user debug syslog: iptables -I FORWARD -p ALL -i ppp_0_8_81_1 -m state --state ESTABLISHED,RELATED -j ACCEPT
Jan 1 00:01:09 user debug syslog: echo 1 > /proc/sys/net/ipv4/conf/ppp_0_8_81_1/rp_filter
Jan 1 00:01:09 user debug syslog: iptables -A INPUT -i ppp_0_8_81_1 -j DROP
Jan 1 00:01:09 user debug syslog: iptables -A FORWARD -i ppp_0_8_81_1 -j DROP
Jan 1 00:01:09 user debug syslog: iptables -I INPUT -j ACCEPT -i ppp_0_8_81_1 -p tcp --dport 30005
Jan 1 00:01:09 user debug syslog: iptables -I FORWARD -j ACCEPT -i ppp_0_8_81_1 -p tcp --dport 30005
Jan 1 00:01:10 user debug syslog: iptables -I INPUT -j ACCEPT -i ppp_0_8_81_1 -p udp -s 192.168.10.1/24 --dport 30006
Jan 1 00:01:10 user debug syslog: iptables -I FORWARD -j ACCEPT -i ppp_0_8_81_1 -p udp -s 192.168.10.1/24 --dport 30006
Nov 20 20:24:41 daemon err user: tr69c: Unable to retrieve attributes in scratch PAD
Nov 20 20:24:41 daemon err user: Stored Parameter Attribute data is corrupt or missing
Nov 20 21:22:20 user warn dnsprobe: dns query failed
Nov 20 21:22:22 user warn dnsprobe: dns query failed
Nov 20 21:22:24 user warn dnsprobe: dns query failed
Nov 20 21:22:24 user notice dnsprobe: Primary DNS server Is Down... Switching To Secondary DNS server
Nov 20 21:22:27 user crit kernel: ADSL link down
Nov 20 21:22:29 user crit kernel: ADSL G.994 training
Nov 20 21:22:31 daemon crit pppd: Clear IP addresses. Connection DOWN.
Nov 20 21:22:31 daemon crit pppd: Clear IP addresses. PPP connection DOWN.
Nov 20 21:22:40 user crit kernel: ADSL G.992 started
Nov 20 21:22:43 user crit kernel: ADSL G.992 channel analysis
Nov 20 21:22:47 user crit kernel: ADSL G.992 message exchange
Nov 20 21:22:47 user crit kernel: ADSL link up, fast, us=576, ds=2304
Nov 20 21:22:50 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Nov 20 21:22:50 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Nov 20 21:22:50 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Nov 20 21:22:50 user debug syslog: iptables -t nat -A PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107
Nov 20 21:22:52 daemon notice pppd: PPP: Start to connect ...
Nov 20 21:22:57 user warn dnsprobe: dns query failed
Nov 20 21:22:59 user warn dnsprobe: dns query failed
Nov 20 21:23:01 user warn dnsprobe: dns query failed
Nov 20 21:23:07 syslog info -- MARK --
Nov 20 21:23:22 daemon notice pppd: PPP: Start to connect ...
Nov 20 21:23:23 daemon crit pppd: PPP server detected.
Nov 20 21:23:23 daemon crit pppd: PPP session established.
Nov 20 21:23:26 daemon crit pppd: PPP LCP UP.
Nov 20 21:23:34 user warn dnsprobe: dns query failed
Nov 20 21:23:34 daemon crit pppd: Received valid IP address from server. Connection UP.
Nov 20 21:23:35 user debug syslog: route add default gw 222.69.8.1 2>/dev/null
Nov 20 21:23:36 user warn dnsprobe: dns query failed
Nov 20 21:23:36 user debug syslog: iptables -D FORWARD -o ppp_0_8_81_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu 2> /dev/null
Nov 20 21:23:36 user debug syslog: iptables -D FORWARD -i ppp_0_8_81_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu 2> /dev/null
Nov 20 21:23:36 user debug syslog: iptables -A FORWARD -o ppp_0_8_81_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
Nov 20 21:23:36 user debug syslog: iptables -A FORWARD -i ppp_0_8_81_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
Nov 20 21:23:37 user debug syslog: echo > /proc/net/ip_conntrack
Nov 20 21:23:37 user debug syslog: echo "200" > /proc/sys/net/ipv4/ip_conntrack_max
Nov 20 21:23:37 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Nov 20 21:23:37 user debug syslog: iptables -t nat -D POSTROUTING -o ppp_0_8_81_1 -s 192.168.10.0/255.255.255.0 -j MASQUERADE 2>/dev/null
Nov 20 21:23:38 user debug syslog: iptables -t nat -A POSTROUTING -o ppp_0_8_81_1 -s 192.168.10.0/255.255.255.0 -j MASQUERADE
Nov 20 21:23:38 user warn dnsprobe: dns query failed
Nov 20 21:23:38 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 202.96.209.6 2>/dev/null
Nov 20 21:23:38 user debug syslog: iptables -t nat -A PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 202.96.209.6
Nov 20 21:23:39 user crit kernel: ADSL link down
Nov 20 21:23:39 user debug syslog: iptables -D INPUT -p ALL -i ppp_0_8_81_1 -m state --state ESTABLISHED,RELATED -j ACCEPT 2> /dev/null
Nov 20 21:23:39 user debug syslog: iptables -D FORWARD -p ALL -i ppp_0_8_81_1 -m state --state ESTABLISHED,RELATED -j ACCEPT 2>/dev/null
Nov 20 21:23:39 user debug syslog: iptables -I INPUT -p ALL -i ppp_0_8_81_1 -m state --state ESTABLISHED,RELATED -j ACCEPT
Nov 20 21:23:39 user debug syslog: iptables -I FORWARD -p ALL -i ppp_0_8_81_1 -m state --state ESTABLISHED,RELATED -j ACCEPT
Nov 20 21:23:39 user debug syslog: echo 1 > /proc/sys/net/ipv4/conf/ppp_0_8_81_1/rp_filter
Nov 20 21:23:40 user debug syslog: iptables -A INPUT -i ppp_0_8_81_1 -j DROP
Nov 20 21:23:40 user debug syslog: iptables -A FORWARD -i ppp_0_8_81_1 -j DROP
Nov 20 21:23:40 user debug syslog: iptables -I INPUT -j ACCEPT -i ppp_0_8_81_1 -p tcp --dport 30005
Nov 20 21:23:41 user debug syslog: iptables -I FORWARD -j ACCEPT -i ppp_0_8_81_1 -p tcp --dport 30005
Nov 20 21:23:41 user debug syslog: iptables -I INPUT -j ACCEPT -i ppp_0_8_81_1 -p udp -s 192.168.10.1/24 --dport 30006
Nov 20 21:23:41 user debug syslog: iptables -I FORWARD -j ACCEPT -i ppp_0_8_81_1 -p udp -s 192.168.10.1/24 --dport 30006
Nov 20 21:23:45 user crit kernel: ADSL G.994 training
Nov 20 21:23:53 daemon crit pppd: Clear IP addresses. Connection DOWN.
Nov 20 21:23:53 daemon crit pppd: Clear IP addresses. PPP connection DOWN.
Nov 20 21:24:05 user crit kernel: ADSL G.992 started
Nov 20 21:24:07 user crit kernel: ADSL G.992 channel analysis
Nov 20 21:24:10 user warn dnsprobe: dns query failed
Nov 20 21:24:11 user crit kernel: ADSL G.992 message exchange
Nov 20 21:24:12 user warn dnsprobe: dns query failed
Nov 20 21:24:12 user crit kernel: ADSL link up, fast, us=576, ds=2304
Nov 20 21:24:14 user warn dnsprobe: dns query failed
Nov 20 21:24:15 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Nov 20 21:24:15 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Nov 20 21:24:15 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Nov 20 21:24:15 user debug syslog: iptables -t nat -A PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107
Nov 20 21:24:16 daemon notice pppd: PPP: Start to connect ...
Nov 20 21:24:46 user warn dnsprobe: dns query failed
Nov 20 21:24:46 daemon notice pppd: PPP: Start to connect ...
Nov 20 21:24:46 daemon crit pppd: PPP server detected.
Nov 20 21:24:47 daemon crit pppd: PPP session established.
Nov 20 21:24:48 user warn dnsprobe: dns query failed
Nov 20 21:24:49 daemon crit pppd: PPP LCP UP.
Nov 20 21:24:50 user warn dnsprobe: dns query failed
Nov 20 21:24:50 daemon crit pppd: Received valid IP address from server. Connection UP.
Nov 20 21:24:51 user debug syslog: route add default gw 222.69.8.1 2>/dev/null
Nov 20 21:24:52 user debug syslog: iptables -D FORWARD -o ppp_0_8_81_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu 2> /dev/null
Nov 20 21:24:52 user debug syslog: iptables -D FORWARD -i ppp_0_8_81_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu 2> /dev/null
Nov 20 21:24:52 user debug syslog: iptables -A FORWARD -o ppp_0_8_81_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
Nov 20 21:24:52 user debug syslog: iptables -A FORWARD -i ppp_0_8_81_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
Nov 20 21:24:52 user debug syslog: echo > /proc/net/ip_conntrack
Nov 20 21:24:53 user debug syslog: echo "200" > /proc/sys/net/ipv4/ip_conntrack_max
Nov 20 21:24:53 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Nov 20 21:24:53 user debug syslog: iptables -t nat -D POSTROUTING -o ppp_0_8_81_1 -s 192.168.10.0/255.255.255.0 -j MASQUERADE 2>/dev/null
Nov 20 21:24:53 user debug syslog: iptables -t nat -A POSTROUTING -o ppp_0_8_81_1 -s 192.168.10.0/255.255.255.0 -j MASQUERADE
Nov 20 21:24:54 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 202.96.209.6 2>/dev/null
Nov 20 21:24:54 user debug syslog: iptables -t nat -A PREROUTING -i br0 -d 192.168.10.1 -p udp --dport 53 -j DNAT --to 202.96.209.6
Nov 20 21:24:54 user debug syslog: iptables -D INPUT -p ALL -i ppp_0_8_81_1 -m state --state ESTABLISHED,RELATED -j ACCEPT 2> /dev/null
Nov 20 21:24:54 user debug syslog: iptables -D FORWARD -p ALL -i ppp_0_8_81_1 -m state --state ESTABLISHED,RELATED -j ACCEPT 2>/dev/null
Nov 20 21:24:55 user debug syslog: iptables -I INPUT -p ALL -i ppp_0_8_81_1 -m state --state ESTABLISHED,RELATED -j ACCEPT
Nov 20 21:24:55 user debug syslog: iptables -I FORWARD -p ALL -i ppp_0_8_81_1 -m state --state ESTABLISHED,RELATED -j ACCEPT
Nov 20 21:24:55 user debug syslog: echo 1 > /proc/sys/net/ipv4/conf/ppp_0_8_81_1/rp_filter
Nov 20 21:24:55 user debug syslog: iptables -A INPUT -i ppp_0_8_81_1 -j DROP
Nov 20 21:24:56 user debug syslog: iptables -A FORWARD -i ppp_0_8_81_1 -j DROP
Nov 20 21:24:56 user debug syslog: iptables -I INPUT -j ACCEPT -i ppp_0_8_81_1 -p tcp --dport 30005
Nov 20 21:24:56 user debug syslog: iptables -I FORWARD -j ACCEPT -i ppp_0_8_81_1 -p tcp --dport 30005
Nov 20 21:24:56 user debug syslog: iptables -I INPUT -j ACCEPT -i ppp_0_8_81_1 -p udp -s 192.168.10.1/24 --dport 30006
Nov 20 21:24:57 user debug syslog: iptables -I FORWARD -j ACCEPT -i ppp_0_8_81_1 -p udp -s 192.168.10.1/24 --dport 30006
Nov 20 21:25:21 user notice dnsprobe: Switching Back To Primary DNS server

superpillow 发表于 2008-11-21 20:41:15

再补段线路状况！！

ADSL Line Status

Current adsl line status is as the below.

Line Mode G.DMTLine State Show Time
Line Up Time Duration 00:17:55:34System Up Time 01:00:13:48
Line Downstream Rate 2304Line Upstream Rate 576

Latency Type FastLine Coding Trellis On
Noise Margin 32.6Line Attenuation 8.0
Output Power 12.5Attainable Line Rate 10560
Line Up Count 3Status No Defect

Statistics Downstream Upstream
K 7319
R 20
S 11
D 00
Super Frames 37960003796109
Super Frame Errors 3220
RS Words 2581280620
RS Correctable Errors 31420
RS Uncorrectable Errors 69060   
HEC Errors 2640
LCD Errors 00

superpillow 发表于 2008-11-21 20:42:28

LOG里面只是看到link down，却什么原因信息都没有。
原来用的831蓝猫挺好的，也没这么多问题。

superpillow 发表于 2008-11-21 20:43:32

LOG里就看到link down，我没能看出来哪段是与原因有关的。
原来的831蓝猫几个月也不出一次问题……

YES东 发表于 2008-11-21 20:51:51

原帖由 superpillow 于 2008-11-21 20:41 发表 https://www.chinadsl.net/images/common/back.gif
再补段线路状况！！

ADSL Line Status

Current adsl line status is as the below.

Line Mode G.DMTLine State Show Time
Line Up Time Duration 00:17:55:34System Up Time 01:00:13:48
Line Do ...

Noise Margin 32.6Line Attenuation 8.0

线路存在问题，衰减32.6属于差的级别，性噪比才8.0，功率太低!这个教程区都有相关的对照表的
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