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Standard User EllisD_UK
(newbie) Wed 10-Apr-13 14:23:59
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Packet Drops every 2 hours


[link to this post]
 
Anyone aware of an issue with BQM? I see packet drops every 2 hours like clockwork, then the pattern breaks, and starts again.

See my graph

I know it's not my connection as my ISP (Andrews & Arnold) also use a Firebrick to produce similar graphs, that one shows no packet loss.

Just thought I'd report it as the product is still in beta.

Thanks,

Ellis
Administrator MrSaffron
(staff) Wed 10-Apr-13 15:06:30
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Re: Packet Drops every 2 hours


[re: EllisD_UK] [link to this post]
 
Random plusnet customer
http://www.thinkbroadband.com/ping/share-thumb/7fdfa...

No sign of a generic issue.

and cannot spot anything on the thumbnails for the others at http://craigswebsites.co.uk/ping/

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User EllisD_UK
(newbie) Wed 10-Apr-13 15:27:51
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Re: Packet Drops every 2 hours


[re: MrSaffron] [link to this post]
 
Thanks for the reply, interesting nobody else is seeing this.

Here is the graph from my ISP for yesterday (ignore the drops between 3-4 am, my FTTC is still going through it's 10 day training period). It shows no packet loss.....

It's a mystery, but I'll sleep at night.

Thanks,

Ellis


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Standard User gmoorc
(committed) Wed 10-Apr-13 15:45:36
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Re: Packet Drops every 2 hours


[re: EllisD_UK] [link to this post]
 
Could it be anything to do with you using an IPV6 address for the monitor? (Assumed that from the monitor name)
Standard User tommy45
(knowledge is power) Wed 10-Apr-13 16:40:34
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Re: Packet Drops every 2 hours


[re: EllisD_UK] [link to this post]
 
If you perform a tracert to the ping monitor, it could be down to any of the hops that are external (between the 2 ) It looks like a switch somewhere that aint working to good, but it's unlikely to affect the performance of the serviceYou usually only see this type of thing occasionally (IPV4),

Standard User EllisD_UK
(newbie) Wed 10-Apr-13 18:04:50
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Re: Packet Drops every 2 hours


[re: gmoorc] [link to this post]
 
Good thought, I'll setup an IPv4 monitor to be sure.......
Standard User billford
(elder) Wed 10-Apr-13 18:17:42
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Re: Packet Drops every 2 hours


[re: EllisD_UK] [link to this post]
 
Just a thought- when you set up the IPv6 monitor, did you simply accept the one that tbb showed in the IP box?

Because that one belongs to the computer, not the router. If you want the BQM to ping the router you have to enter the router's IP address manually.

If that's what happened, tbb and AAISP may not be pinging the same thing.

Bill
A level playing field is level in both directions.________________Planes and Boats and ... _____________BQMs: IPv4 IPv6
Standard User EllisD_UK
(newbie) Wed 10-Apr-13 18:29:02
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Re: Packet Drops every 2 hours


[re: billford] [link to this post]
 
In reply to a post by billford:
Just a thought- when you set up the IPv6 monitor, did you simply accept the one that tbb showed in the IP box?


Thanks for the reply. Yes, I am monitoring the routers WAN ip, so I know that AAISP and TBB are monitoring the same thing.

UPDATE : IPv4 monitor has the same issue as the IPv6 one.

Thanks,

Ellis
Standard User billford
(elder) Wed 10-Apr-13 19:19:56
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Re: Packet Drops every 2 hours


[re: EllisD_UK] [link to this post]
 
In reply to a post by EllisD_UK:
UPDATE : IPv4 monitor has the same issue as the IPv6 one.
I thought it would, mine usually look broadly similar.

I'm stuck... I can only think that either:

a) tbb and AAISP pings are being handled differently by your router (seems pretty unlikely!) or

b) there's something odd on the part of the route to you that tbb uses and AAISP doesn't. Which seems equally unlikely, so there's probably a third possibility that I haven't thought of frown

How often do AAISP ping your router? Is it possible that the brief periods of packet loss are "sneaking between" the pings?

Bill
A level playing field is level in both directions.________________Planes and Boats and ... _____________BQMs: IPv4 IPv6
Standard User jchamier
(knowledge is power) Wed 10-Apr-13 23:16:46
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Re: Packet Drops every 2 hours


[re: billford] [link to this post]
 
In reply to a post by billford:
How often do AAISP ping your router? Is it possible that the brief periods of packet loss are "sneaking between" the pings?

AAISP don't use normal ICMP pings for this, they use LCP echo between their gateway FireBrick and the end user router: http://aaisp.net.uk/kb-broadband-cqm.html

James BT Infinity 2 19/09/2012 - Speeds 49 / 8.2 Mbps - Sync 53 / 9.5 Mbps @ 470m
Huawei modem -> RT-N66U -> Switch -> PC/Mac/Linux/NAS/Phone/TV - last speedtest
13 years of broadband - 1999 ntl:(512k/1M)/BTbusiness(2M)/Metronet(2M)/Bulldog(8M/16M)/BE(19M/16M)/BT FTTC(46M)
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