TalkTalk and DSCP and 19 second latency: Difference between revisions
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== The cause == |
== The cause == |
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pcaps revelealed that the Aruba access point was marking some traffic with the DSCP flag CS6 |
pcaps revelealed that the Aruba access point was marking some traffic with the DSCP flag CS6, and when there was enough traffic latency would increasingly build up. |
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=== Show me === |
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Here is 100 pings - though to keep the page short, I've included only every 10th ping, but you get the idea: |
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PING 81.187.81.187 (81.187.81.187): 1400 data bytes |
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1408 bytes from 81.187.81.187: icmp_seq=0 ttl=63 time=10.234 ms |
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Request timeout for icmp_seq 10 |
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1408 bytes from 81.187.81.187: icmp_seq=10 ttl=63 time=37.160 ms |
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1408 bytes from 81.187.81.187: icmp_seq=11 ttl=63 time=16.935 ms |
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1408 bytes from 81.187.81.187: icmp_seq=20 ttl=63 time=278.065 ms |
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1408 bytes from 81.187.81.187: icmp_seq=30 ttl=63 time=386.798 ms |
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Request timeout for icmp_seq 70 |
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1408 bytes from 81.187.81.187: icmp_seq=40 ttl=63 time=793.062 ms |
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Request timeout for icmp_seq 80 |
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1408 bytes from 81.187.81.187: icmp_seq=50 ttl=63 time=836.497 ms |
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1408 bytes from 81.187.81.187: icmp_seq=60 ttl=63 time=1040.796 ms |
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1408 bytes from 81.187.81.187: icmp_seq=70 ttl=63 time=1453.866 ms |
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1408 bytes from 81.187.81.187: icmp_seq=80 ttl=63 time=1461.298 ms |
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1408 bytes from 81.187.81.187: icmp_seq=90 ttl=63 time=1935.554 ms |
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1408 bytes from 81.187.81.187: icmp_seq=99 ttl=63 time=1978.546 ms |
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100 packets transmitted, 100 packets received, 0.0% packet loss |
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round-trip min/avg/max/stddev = 9.734/929.728/2047.155/628.466 ms |
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=== What's DCSP and CS6? === |
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== Things that were tried== |
== Things that were tried== |
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