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Special Forums IP Networking Router problem or ISP problem ? Post 302954766 by remic on Thursday 10th of September 2015 08:09:15 PM
Old 09-10-2015
Network Router problem or ISP problem ?

Hi everyone,

I am experiencing discontinuity of Internet service, this started 1 month ago. Everything worked very well for 1 year of intensive use, but now, I have problems reaching my gateway.
The gateway is not my router but a node belonging to my ISP and I share the same public IP with other clients (NAT is moderated).

Problem : the connection keeps dropping every 4 to 10 minutes. During the cuts, the lights on the router do not change or do not display any failure/error, but every ping, traceroute and nslookup fail outside of my LAN and the connection drops from 50sec to 13min and 16sec, then comes back to normal with normal lattency.

My router is a Huawei HG8245H and its status page shows that the device is working normally even though I have from 6% to 48% of packet loss on extended ping tests to google (in general for 20 minutes tests - 1200 ping requests) on eth0 as well as wlan0.
My latest test was conducted during 24 hours : 85947 packets transmitted, 60065 received, 30% packet loss, time 86091921ms

Router's factory settings :
Open TCP ports are 22(SSH), 23(telnet), 53(domain) and 80(http) plus 2 unusual TCP ports 49152 and 49153 that cannot be closed (bug or additional maintenance ports ?)

The TV box connected to the router is working 100% of the time (even when my Internet connection stops working).
Internet and ipTV belong to different vlans and use different routes. (the TV vlan has a different gateway)
Detail : Sometimes, the sound stops during comercials, I can hear a dialer sound from the TV speakers, then the sound comes back after 5 seconds. The TV box is connected to the router through an Ethernet cable.


I sent all the screenshots and info to my ISP but they closed 3 support tickets (in a row) because they say they can't find any problem ... and they never let me know when they close a support ticket.


Would you be kind enough to give me your opinion about this problem, please ?
- Could it be a Huawei HG8245H router issue ?
- Could it be a damaged fiber issue ?
- Could it be an overloaded ISP node ? (unable to answer/relay the requests of all the clients ?)
- Could it be a bandwidth limit problem on one of my ISP nodes ? (this problem started 1 month ago and, aproximately at the same time, my ISP included Netflix in its triple-play package - coincidence ? - I suppose they had to garantee a minimum bandwidth allocated to each client in the contract, which would reduce the bandwidth limit available for Internet purpose)

The ISP is TotalPlay, in Mexico.

Thank you by advance.
Kind regards
 

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fmdump(1M)																fmdump(1M)

NAME
fmdump - fault management log viewer SYNOPSIS
fmdump [-efvV] [-c class] [-R dir] [-t time] [-T time] [-u uid] [file] The fmdump utility can be used to display the contents of any of the log files associated with the Solaris Fault Manager, fmd(1M). The Fault Manager runs in the background on each Solaris system. It receives telemetry information relating to problems detected by the system software, diagnoses these problems, and initiates proactive self-healing activities such as disabling faulty components. The Fault Manager maintains two sets of log files for use by administrators and service personnel: error log A log which records error telemetry, the symptoms of problems detected by the system. fault log A log which records fault diagnosis information, the problems believed to explain these symptoms. By default, fmdump displays the contents of the fault log, which records the result of each diagnosis made by the fault manager or one of its component modules. An example of a default fmdump display follows: # fmdump TIME UUID SUNW-MSG-ID Dec 28 13:01:27.3919 bf36f0ea-9e47-42b5-fc6f-c0d979c4c8f4 FMD-8000-11 Dec 28 13:01:49.3765 3a186292-3402-40ff-b5ae-810601be337d FMD-8000-11 Dec 28 13:02:59.4448 58107381-1985-48a4-b56f-91d8a617ad83 FMD-8000-OW ... Each problem recorded in the fault log is identified by: o The time of its diagnosis o A Universal Unique Identifier (UUID) that can be used to uniquely identify this particular problem across any set of systems o A message identifier that can be used to access a corresponding knowledge article located at Sun's web site, http://www.sun.com/msg/ If a problem requires action by a human administrator or service technician or affects system behavior, the Fault Manager also issues a human-readable message to syslogd(1M). This message provides a summary of the problem and a reference to the knowledge article on the Sun web site, http://www.sun.com/msg/. You can use the -v and -V options to expand the display from a single-line summary to increased levels of detail for each event recorded in the log. The -c, -t, -T, and -u options can be used to filter the output by selecting only those events that match the specified class, range of times, or uuid. If more than one filter option is present on the command-line, the options combine to display only those events that are selected by the logical AND of the options. If more than one instance of the same filter option is present on the command-line, the like options combine to display any events selected by the logical OR of the options. For example, the command: # fmdump -u uuid1 -u uuid2 -t 02Dec03 selects events whose attributes are (uuid1 OR uuid2) AND (time on or after 02Dec03). The following options are supported: -c class Select events that match the specified class. The class argument can use the glob pattern matching syntax described in sh(1). The class represents a hierarchical classification string indicating the type of telemetry event. More information about Sun's telemetry protocol is available at Sun's web site, http://www.sun.com/msg/. -e Display events from the fault management error log instead of the fault log. This option is shorthand for specifying the pathname of the error log file. The error log file contains Private telemetry information used by Sun's automated diagnosis software. This information is recorded to facilitate post-mortem analysis of problems and event replay, and should not be parsed or relied upon for the development of scripts and other tools. See attributes(5) for information about Sun's rules for Private interfaces. -f Follow the growth of the log file by waiting for additional data. fmdump enters an infinite loop where it will sleep for a second, attempt to read and format new data from the log file, and then go back to sleep. This loop can be terminated at any time by sending an interrupt (Control-C). -R dir Use the specified root directory for the log files accessed by fmdump, instead of the default root (/). -t time Select events that occurred at or after the specified time. The time can be specified using any of the following forms: mm/dd/yy hh:mm:ss Month, day, year, hour in 24-hour format, minute, and second. Any amount of whitespace can separate the date and time. The argument should be quoted so that the shell interprets the two strings as a single argument. mm/dd/yy hh:mm Month, day, year, hour in 24-hour format, and minute. Any amount of whitespace can separate the date and time. The argument should be quoted so that the shell interprets the two strings as a single argument. mm/dd/yy 12:00:00AM on the specified month, day, and year. ddMonyy hh:mm:ss Day, month name, year, hour in 24-hour format, minute, and second. Any amount of whitespace can separate the date and time. The argument should be quoted so that the shell interprets the two strings as a single argument. ddMonyy hh:mm Day, month name, year, hour in 24-hour format, and minute. Any amount of whitespace can separate the date and time. The argument should be quoted so that the shell interprets the two strings as a single argument. Mon dd hh:mm:ss Month, day, hour in 24-hour format, minute, and second of the current year. yyyy-mm-dd [T hh:mm[:ss]] Year, month, day, and optional hour in 24-hour format, minute, and second. The second, or hour, minute, and second, can be optionally omitted. ddMonyy 12:00:00AM on the specified day, month name, and year. hh:mm:ss Hour in 24-hour format, minute, and second of the current day. hh:mm Hour in 24-hour format and minute of the current day. Tns | Tnsec T nanoseconds ago where T is an integer value specified in base 10. Tus |Tusec T microseconds ago where T is an integer value specified in base 10. Tms | Tmsec T milliseconds ago where T is an integer value specified in base 10. Ts | Tsec T seconds ago where T is an integer value specified in base 10. Tm |Tmin T minutes ago where T is an integer value specified in base 10. Th |Thour T hours ago where T is an integer value specified in base 10. Td |Tday T days ago where T is an integer value specified in base 10. You can append a decimal fraction of the form .n to any -t option argument to indicate a fractional number of seconds beyond the specified time. -T time Select events that occurred at or before the specified time. time can be specified using any of the time formats described for the -t option. -u uuid Select fault diagnosis events that exactly match the specified uuid. Each diagnosis is associated with a Universal Unique Identifier (UUID) for identification purposes. The -u option can be combined with other options such as -v to show all of the details associated with a particular diagnosis. If the -e option and -u option are both present, the error events that are cross-referenced by the specified diagnosis are displayed. -v Display verbose event detail. The event display is enlarged to show additional common members of the selected events. -V Display very verbose event detail. The event display is enlarged to show every member of the name-value pair list associ- ated with each event. In addition, for fault logs, the event display includes a list of cross-references to the correspond- ing errors that were associated with the diagnosis. The following operands are supported: file Specifies an alternate log file to display instead of the system fault log. The fmdump utility determines the type of the specified log automatically and produces appropriate output for the selected log. The following exit values are returned: 0 Successful completion. All records in the log file were examined successfully. 1 A fatal error occurred. This prevented any log file data from being examined, such as failure to open the specified file. 2 Invalid command-line options were specified. 3 The log file was opened successfully, but one or more log file records were not displayed, either due to an I/O error or because the records themselves were malformed. fmdump issues a warning message for each record that could not be displayed, and then con- tinues on and attempts to display other records. /var/fm/fmd Fault management log directory See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWfmd | +-----------------------------+-----------------------------+ |Interface Stability |See below. | +-----------------------------+-----------------------------+ The command-line options are Evolving. The human-readable error log output is Private. The human-readable fault log output is Evolving. sh(1), fmadm(1M), fmd(1M), fmstat(1M), syslogd(1M), libexacct(3LIB), attributes(5) http://www.sun.com/msg/ Fault logs contain references to records stored in error logs that can be displayed using fmdump -V to understand the errors that were used in the diagnosis of a particular fault. These links are preserved if an error log is renamed as part of log rotation. They can be broken by removing or copying an error log file, or by moving the error log to a different filesystem. fmdump can not display error information for such broken links. It continues to display any and all information present in the fault log. 9 Mar 2005 fmdump(1M)
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