[AusNOG] Repeated NBN traffic flow issue

[Brendan Halley]

I have had this issue personally at two different residences in Tasmania on
multiple occasions.

The only fix I have found is cutting the power to the NTD for ~1 hour then
connecting it again and everything seems to work normally. I haven't been
able to narrow down the conditions it requires to occur as it's seemingly
random.

Brendan

On 8 Sep 2016 9:14 AM, "Philip Loenneker" <Philip.Loenneker at tasmanet.com.au>
wrote:

Hi all,



A regular problem we have with our fibre and wireless NBN tails is that we
get what appears to be one-way traffic. We see DHCP requests from the CPE
(we use IPoE), we respond to them, but the CPE does not get the response.
We have confirmed this on several occassions with packet captures at the
NTD. I think we’ve had over 20 cases this year, and we appear to have
gotten 4 cases in the past 24 hours. These are services that were working
fine, and suddenly stopped. Lodging tickets with NBN is usually very drawn
out, with the services ending up back online eventually, with responses
that range from “we detected a problem and fixed it” to “everything checked
out ok, no issues” but they mysteriously start working again. Naturally, we
do things like isolation tests, port resets, change of CPE etc.



Has anyone else had any similar issues? Does anyone have any tips they can
provide to help us expedite resolution to these issues? I’m sure it’s no
surprise to everyone on this list that the customers get angry at us for
poor service, despite our part of the connection working correctly.



Regards,

Philip

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