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TalkTalk and DSCP and 19 second latency: Difference between revisions

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AA-Andrew (talk | contribs)
autoreview, Bureaucrats, editor, Interface administrators, reviewer, Administrators
12,629 edits
AA-Andrew (talk | contribs)
autoreview, Bureaucrats, editor, Interface administrators, reviewer, Administrators
12,629 edits
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We were able to perform pcaps on the customer router (a FB2900) and the LNS. and were able to tell which direction the latency applied. The timestamps show the following:
We were able to perform pcaps on the customer router (a FB2900) and the LNS. and were able to tell which direction the latency applied. The timestamps show the following:


'''Ping request'''
'''Ping request:'''
Leaves CPE: 12:03:38.495103
Leaves CPE: 12:03:38.495103
Arrives LNS 12:03:37.438478
Arrives LNS 12:03:37.438478


'''Ping reply'''
'''Ping reply:'''
Leaves LNS 12:03:38.505869
Leaves LNS 12:03:38.505869
Arrives CPE 12:03:38.495106
Arrives CPE 12:03:38.495106


In this example, it takes nearly 1 second for the packet to travel from the CPE to our LNS. The reply (from LNS to CPE) is quick.
In this example, it takes nearly 1 second for the packet to travel from the CPE to our LNS. The reply (from LNS to CPE) is quick.



=== What's DSCP and CS6? ===
=== What's DSCP and CS6? ===
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