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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

TalkTalk and DSCP and 19 second latency: Difference between revisions

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'''Updates:'''
20122021-12-07 Page created
20122021-12-08 Updated as FireBrick has software update to change/remove DSCP field
20122021-12-09 Updated with reply from TalkTalk
2021-12-13 Updated with reply from Aruba
Further updates from TalkTalk expected middle of nextthe week
Further updates from TalkTalk expected in the new year
 
This page is about in interesting problem that was reported to us, by a customer, in December 2021. We have written this up so that this page can be found if other people are seeing a similar problem.
 
There are seemingly two faults here:
# Aruba adding the DSCP field - which whilst trying to be helpful is seemingly not configurable, and so in this case it's an unhelpful feature - if it used the DSCP value intended for 'voice' then we'd not have this problem. The customer has opened a support query with Aruba regarding this - Aruba's reply is below.
# (in our opinion) TalkTalk should not be looking at the DSCP field. AAISP are taking this up with TalkTalk.
 
The customer has opened a support query with Aruba regarding this. AAISP are taking this up with TalkTalk.
 
==Fault raised with TalkTalk==
 
'''To be continued....'''
 
==Ticket open with Aruba==
Apparently These Aruba Access Points do have the ability to open a CLI on the device and disable DSCP.
However, it's not so simple and Aruba advise against it because the CLI requires an interactively-generated token
from their support staff, and changing the setting back would require another support call.
 
Current Solution: Customer is currently using the FireBrick feature to set the DSCP field to 0.
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