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Riddle my packet loss

BlueComp
Member

**This is just for fun / speculation as the issue is under investigation by Enhanced Support / OpenReach / BT Wholesale**

 

Two sites on Zen and BT, FTTC, IPs 88.97.13.173 & 81.133.250.29, sites are about 150 meters apart. Both have suffered 5-20% packet loss for around 6 weeks. Copper status and VDSL statistics are great, great speeds, no drops, few errors etc. Many many Pair Quality Tests have been conducted 😉

Logging shows a very noticeable improvement in packet loss in the wee small hours (daily):

BlueComp_0-1647602233130.png

 

Lift and shift has been carried out for want of a better idea.

 

Running traceroute and pathping, the loss appears to occur on the last hop to the premises - ie from outside you can ping all the hops except the fault premises without loss

Engineers have also ruled out CPE, hot VP, electrical interference (REIN, SHINE).

 

I've now got a fiver on 'broken BRAS', but I know diddly squat about VDSL delivery, so would love to hear other wild guesses. Have at it!

2 REPLIES 2

kelper
Grand Master

  I'd like to compare mine.  Will post it tomorrow.  Is your IPv6 connection as bad?

kelper
Grand Master