有关ZXDSL 831CII掉线问题

YES东

建议把线路状态给一下才好判断！一般是线路问题居多

YES东

原帖由 dai435920 于 2008-11-15 23:03 发表
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

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[345]: 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[345]: 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[345]: PPP: Start to connect ...  
Jan 1 00:01:00 daemon crit pppd[345]: PPP server detected.  
Jan 1 00:01:01 daemon crit pppd[345]: PPP session established.  
Jan 1 00:01:03 daemon crit pppd[345]: PPP LCP UP.  
Jan 1 00:01:04 daemon crit pppd[345]: 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[925]: 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[925]: dns query failed  
Nov 20 21:22:22 user warn dnsprobe[925]: dns query failed  
Nov 20 21:22:24 user warn dnsprobe[925]: dns query failed  
Nov 20 21:22:24 user notice dnsprobe[925]: 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[345]: Clear IP addresses. Connection DOWN.  
Nov 20 21:22:31 daemon crit pppd[345]: 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[345]: PPP: Start to connect ...  
Nov 20 21:22:57 user warn dnsprobe[925]: dns query failed  
Nov 20 21:22:59 user warn dnsprobe[925]: dns query failed  
Nov 20 21:23:01 user warn dnsprobe[925]: dns query failed  
Nov 20 21:23:07 syslog info -- MARK --  
Nov 20 21:23:22 daemon notice pppd[345]: PPP: Start to connect ...  
Nov 20 21:23:23 daemon crit pppd[345]: PPP server detected.  
Nov 20 21:23:23 daemon crit pppd[345]: PPP session established.  
Nov 20 21:23:26 daemon crit pppd[345]: PPP LCP UP.  
Nov 20 21:23:34 user warn dnsprobe[925]: dns query failed  
Nov 20 21:23:34 daemon crit pppd[345]: 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[925]: 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[925]: 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[345]: Clear IP addresses. Connection DOWN.  
Nov 20 21:23:53 daemon crit pppd[345]: 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[925]: dns query failed  
Nov 20 21:24:11 user crit kernel: ADSL G.992 message exchange  
Nov 20 21:24:12 user warn dnsprobe[925]: 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[925]: 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[345]: PPP: Start to connect ...  
Nov 20 21:24:46 user warn dnsprobe[925]: dns query failed  
Nov 20 21:24:46 daemon notice pppd[345]: PPP: Start to connect ...  
Nov 20 21:24:46 daemon crit pppd[345]: PPP server detected.  
Nov 20 21:24:47 daemon crit pppd[345]: PPP session established.  
Nov 20 21:24:48 user warn dnsprobe[925]: dns query failed  
Nov 20 21:24:49 daemon crit pppd[345]: PPP LCP UP.  
Nov 20 21:24:50 user warn dnsprobe[925]: dns query failed  
Nov 20 21:24:50 daemon crit pppd[345]: 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[925]: Switching Back To Primary DNS server

superpillow

再补段线路状况！！

ADSL Line Status

Current adsl line status is as the below.

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

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

Statistics Downstream Upstream
K 73  19  
R 2  0  
S 1  1  
D 0  0  
Super Frames 3796000  3796109  
Super Frame Errors 322  0  
RS Words 258128062  0  
RS Correctable Errors 3142  0  
RS Uncorrectable Errors 6906  0   
HEC Errors 264  0  
LCD Errors 0  0

superpillow

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

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

原帖由 superpillow 于 2008-11-21 20:41 发表
再补段线路状况！！

ADSL Line Status

Current adsl line status is as the below.

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

Noise Margin 32.6  Line 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