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intermittent loss of routing ? plusnet
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- Re: intermittent loss of routing ? plusnet
intermittent loss of routing ? plusnet
01-08-2012 10:21 PM
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My connection occasionally needs a kick (this morning it took 5 mins to reconnect) but whenever i go to disconnect/reconnect it seems to still have sink and thinks all is well. All is not well until it is reconnected though.
i am wondering what I should look for. I have:
- configured static IP
- disabled SPI firewall (my router was periodically complaining about packets from the plusnet DHCP servers..)
- installed dgteam and configured additional dns servers (opendns)
- toyed with the always broadcast ARP setting having read a post about this
i am currently toying with a router script that tries to lookup a web address every 30 minutes and reconnects adsl if that fails however
does anyone have any thoughts on what might cause this?
should i try to dial down the speed (dial up the noise margin?) i have not touched that as yet.
the router is capable of operating for 2 weeks+ straight with no issues and i feel the old one probably was binned for similar reasons but in error. all the caps on the main board are new and it is a *very well ventilated* dgn2000.
i am wondering what I should look for. I have:
- configured static IP
- disabled SPI firewall (my router was periodically complaining about packets from the plusnet DHCP servers..)
- installed dgteam and configured additional dns servers (opendns)
- toyed with the always broadcast ARP setting having read a post about this
i am currently toying with a router script that tries to lookup a web address every 30 minutes and reconnects adsl if that fails however
does anyone have any thoughts on what might cause this?
should i try to dial down the speed (dial up the noise margin?) i have not touched that as yet.
the router is capable of operating for 2 weeks+ straight with no issues and i feel the old one probably was binned for similar reasons but in error. all the caps on the main board are new and it is a *very well ventilated* dgn2000.
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Re: intermittent loss of routing ?
01-08-2012 10:49 PM
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Perhaps some list or table for tracking connections within the router ends up full, for some unknown reason, and gets completely cleared when you reconnect.
Message 2 of 7
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Re: intermittent loss of routing ?
01-08-2012 11:15 PM
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hmm ok ... any clues on which tables i might check .. presumably telnet etc to the netgear will help ... i will have a nose around
cant think what would be unique to me though ... this is stock netgear and have had 3 firmwares now .. just went to dgteam a month ago
cant think what would be unique to me though ... this is stock netgear and have had 3 firmwares now .. just went to dgteam a month ago
Message 3 of 7
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Re: intermittent loss of routing ?
02-08-2012 9:08 PM
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I havent found anything abnormal - wondering how i get one of those line noise plots in case it is purely a line issue?
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Re: intermittent loss of routing ? plusnet
03-08-2012 4:04 PM
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Hi myforumid,
Below is a post of the your last month's connections logs:
<img src="http://ccgi.psmith12.plus.com/visradius/generated/image13440056759248.png" />
There is no pattern to your disconnections. I've checked your line and everything initially appears to be OK.
Have you tried an alternative router?
Below is a post of the your last month's connections logs:
<img src="http://ccgi.psmith12.plus.com/visradius/generated/image13440056759248.png" />
There is no pattern to your disconnections. I've checked your line and everything initially appears to be OK.
Have you tried an alternative router?
Message 5 of 7
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Re: intermittent loss of routing ? plusnet
03-08-2012 8:54 PM
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Very useful plot - it ties up with the router logs i have.
There are clearly times when the router knows to reconnect and times when it doesnt realise its lost the session and just sits there doing nothing about it. I figure i need it to ping an address or something periodically and adsctl restart or whatever if it can't get a response. A friend suggested just enabling ddns might do it but this is probably a shell script on a schedule.
Its my third in 3 years and moving house soon - waiting on a site survey of the new place etc. before investing 🙂
There are clearly times when the router knows to reconnect and times when it doesnt realise its lost the session and just sits there doing nothing about it. I figure i need it to ping an address or something periodically and adsctl restart or whatever if it can't get a response. A friend suggested just enabling ddns might do it but this is probably a shell script on a schedule.
Its my third in 3 years and moving house soon - waiting on a site survey of the new place etc. before investing 🙂
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Re: intermittent loss of routing ? plusnet
06-08-2012 9:29 AM
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If you need any further help once you've moved let me know.
Chris
Chris
Message 7 of 7
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