Здравствуйте, с некоторого времени начало рваться ADSL соединение, ранее стабильно работал на шести мегабитах, сейчас урезали до одного, но все равно часто дисконектит (на шести вообще не держит). Подскажите, что может быть.
Модем 2500U A1, прошивка последняя.
Вот лог
Код:
Nov 1 10:07:28 daemon notice pppd[293]: PPP: Start to connect ...
Nov 1 10:07:29 user warn dnsprobe[625]: dns query failed
Nov 1 10:07:42 daemon notice pppd[293]: PPP: Start to connect ...
Nov 1 10:07:42 daemon crit pppd[293]: PPP server detected.
Nov 1 10:07:50 user debug igmp[2114]: iptables -t filter -I FORWARD 1 -i br0 -d 239.255.255.250 -j DROP 2>/dev/null
Nov 1 10:07:50 user debug igmp[2116]: iptables -t filter -D FORWARD -i br0 -d 239.255.255.250 -j ACCEPT 2>/dev/null
Nov 1 10:07:56 daemon notice pppd[293]: PPP: Start to connect ...
Nov 1 10:08:01 user warn dnsprobe[625]: dns query failed
Nov 1 10:08:03 user warn dnsprobe[625]: dns query failed
Nov 1 10:08:05 user warn dnsprobe[625]: dns query failed
Nov 1 10:08:10 user crit kernel: ADSL link down
Nov 1 10:08:32 user crit kernel: ADSL G.994 training
Nov 1 10:08:37 user warn dnsprobe[625]: dns query failed
Nov 1 10:08:39 user warn dnsprobe[625]: dns query failed
Nov 1 10:08:41 user warn dnsprobe[625]: dns query failed
Nov 1 10:08:56 user crit kernel: ADSL G.992 started
Nov 1 10:08:58 user crit kernel: ADSL G.992 channel analysis
Nov 1 10:09:03 user crit kernel: ADSL G.992 message exchange
Nov 1 10:09:03 user crit kernel: ADSL link up, interleaved, us=256, ds=1024
Nov 1 10:09:05 user debug syslog: iptables -t nat -A PREROUTING -i br0 -d 192.168.1.1 -p udp --dport 53 -j DNAT --to 128.9.0.107
Nov 1 10:09:06 daemon notice pppd[293]: PPP: Start to connect ...
Nov 1 10:09:09 user debug syslog: kill 1643
Nov 1 10:09:09 user debug syslog: dhcpc -i nas_0_37 &
Nov 1 10:09:13 user warn dnsprobe[625]: dns query failed
Nov 1 10:09:15 user warn dnsprobe[625]: dns query failed
Nov 1 10:09:17 user warn dnsprobe[625]: dns query failed
Nov 1 10:09:20 daemon notice pppd[293]: PPP: Start to connect ...
Nov 1 10:09:24 user crit kernel: ADSL link down
Nov 1 10:09:25 user crit kernel: ADSL G.994 training
Nov 1 10:09:45 user crit kernel: ADSL G.992 started
Nov 1 10:09:48 user crit kernel: ADSL G.992 channel analysis
Nov 1 10:09:50 user warn dnsprobe[625]: dns query failed
Nov 1 10:09:52 user warn dnsprobe[625]: dns query failed
Nov 1 10:09:52 user crit kernel: ADSL G.992 message exchange
Nov 1 10:09:53 user crit kernel: ADSL link up, interleaved, us=256, ds=1024
Nov 1 10:09:54 user warn dnsprobe[625]: dns query failed
Nov 1 10:09:54 user debug syslog: iptables -t nat -A PREROUTING -i br0 -d 192.168.1.1 -p udp --dport 53 -j DNAT --to 128.9.0.107
Nov 1 10:09:54 daemon notice pppd[293]: PPP: Start to connect ...
Nov 1 10:09:55 daemon crit pppd[293]: PPP server detected.
Nov 1 10:09:55 daemon crit pppd[293]: PPP session established.
Nov 1 10:09:55 daemon crit pppd[293]: PPP LCP UP.
Nov 1 10:09:56 daemon crit pppd[293]: Received valid IP address from server. Connection UP.
Nov 1 10:09:58 user debug syslog: route add default dev ppp_0_35_1 2>/dev/null
Nov 1 10:09:58 user debug syslog: route add -net 10.253.0.0 netmask 255.255.255.0 metric 1 gw 10.253.118.1 2>/dev/null
Nov 1 10:09:58 user debug syslog: iptables -A FORWARD -o ppp_0_35_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
Nov 1 10:09:58 user debug syslog: iptables -A FORWARD -i ppp_0_35_1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
Nov 1 10:09:59 user debug syslog: echo > /proc/net/ip_conntrack
Nov 1 10:09:59 user debug syslog: echo "512" > /proc/sys/net/ipv4/ip_conntrack_max
Nov 1 10:09:59 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.1.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Nov 1 10:09:59 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.1.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Nov 1 10:09:59 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.1.1 -p udp --dport 53 -j DNAT --to 128.9.0.107 2>/dev/null
Nov 1 10:09:59 user debug syslog: iptables -t nat -D POSTROUTING -o ppp_0_35_1 -s 192.168.1.0/255.255.255.0 -j MASQUERADE 2>/dev/null
Nov 1 10:09:59 user debug syslog: iptables -t nat -A POSTROUTING -o ppp_0_35_1 -s 192.168.1.0/255.255.255.0 -j MASQUERADE
Nov 1 10:09:59 user debug syslog: iptables -t nat -D PREROUTING -i br0 -d 192.168.1.1 -p udp --dport 53 -j DNAT --to 80.254.111.254 2>/dev/null
Nov 1 10:09:59 user debug syslog: iptables -t nat -A PREROUTING -i br0 -d 192.168.1.1 -p udp --dport 53 -j DNAT --to 80.254.111.254
Nov 1 10:10:00 user debug syslog: iptables -D INPUT -i ppp_0_35_1 -j DROP
Nov 1 10:10:00 user debug syslog: iptables -A INPUT -i ppp_0_35_1 -j DROP
Nov 1 10:10:01 user debug syslog: kill 2989
Nov 1 10:10:01 user debug syslog: dhcpc -i nas_0_37 &
Nov 1 10:10:04 user debug syslog: route add -net 10.253.0.0 netmask 255.255.255.0 metric 1 gw 10.253.118.1 2>/dev/null
Nov 1 10:10:04 user debug syslog: iptables -t nat -D POSTROUTING -o nas_0_37 -s 192.168.1.0/255.255.255.0 -j MASQUERADE 2>/dev/null
Nov 1 10:10:04 user debug syslog: iptables -t nat -A POSTROUTING -o nas_0_37 -s 192.168.1.0/255.255.255.0 -j MASQUERADE
Nov 1 10:10:04 user debug syslog: iptables -D INPUT -i nas_0_37 -j DROP
Nov 1 10:10:05 user debug syslog: iptables -A INPUT -i nas_0_37 -j DROP
Nov 1 10:10:26 user warn dnsprobe[625]: dns query failed
Nov 1 10:10:28 user warn dnsprobe[625]: dns query failed
Nov 1 10:10:29 user notice dnsprobe[625]: Switching Back To Primary DNS server
Nov 1 10:10:46 user alert kernel: Intrusion -> IN=ppp_0_35_1 OUT= MAC= SRC=89.179.92.156 DST=188.114.17.92 LEN=48 TOS=0x00 PREC=0x00 TTL=113 ID=37000 DF PROTO=TCP SPT=31869 DPT=25958 WINDOW=65535 RES=0x00 SYN URGP=0
Nov 1 10:10:49 user alert kernel: Intrusion -> IN=ppp_0_35_1 OUT= MAC= SRC=89.179.92.156 DST=188.114.17.92 LEN=48 TOS=0x00 PREC=0x00 TTL=113 ID=37047 DF PROTO=TCP SPT=31869 DPT=25958 WINDOW=65535 RES=0x00 SYN URGP=0
Nov 1 10:11:16 user alert kernel: Intrusion -> IN=ppp_0_35_1 OUT= MAC= SRC=89.107.122.66 DST=188.114.17.92 LEN=64 TOS=0x00 PREC=0x00 TTL=55 ID=51599 DF PROTO=TCP SPT=61375 DPT=25958 WINDOW=65535 RES=0x00 SYN URGP=0
Nov 1 10:11:17 user alert kernel: Intrusion -> IN=ppp_0_35_1 OUT= MAC= SRC=89.107.122.66 DST=188.114.17.92 LEN=64 TOS=0x00 PREC=0x00 TTL=55 ID=915 DF PROTO=TCP SPT=61375 DPT=25958 WINDOW=65535 RES=0x00 SYN URGP=0
Nov 1 10:11:18 user alert kernel: Intrusion -> IN=ppp_0_35_1 OUT= MAC= SRC=89.107.122.66 DST=188.114.17.92 LEN=64 TOS=0x00 PREC=0x00 TTL=55 ID=27135 DF PROTO=TCP SPT=61375 DPT=25958 WINDOW=65535 RES=0x00 SYN URGP=0
Nov 1 10:13:36 user warn dnsprobe[625]: dns query failed
Nov 1 10:13:38 user warn dnsprobe[625]: dns query failed
Nov 1 10:13:40 user warn dnsprobe[625]: dns query failed
Nov 1 10:13:40 user notice dnsprobe[625]: Primary DNS server Is Down... Switching To Secondary DNS server
Nov 1 10:13:44 user crit kernel: ADSL link down
Nov 1 10:13:45 user crit kernel: ADSL G.994 training
Nov 1 10:13:47 daemon crit pppd[293]: Clear IP addresses. Connection DOWN.
Nov 1 10:13:47 daemon crit pppd[293]: Clear IP addresses. PPP connection DOWN.
Nov 1 10:14:00 user crit kernel: ADSL G.992 started
Nov 1 10:14:02 user crit kernel: ADSL G.992 channel analysis