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<div class="moz-cite-prefix">Nathan,<br>
<br>
Have you taken on any new customers - what number of sessions are
you running?<br>
<br>
How are your customers terminated - dot1q or q-in-q
subinterfaces? Have you checked to see whether you are hitting
one of the many default PPPoE Session Limits?<br>
<br>
Might help to share your sanitised config.<br>
<br>
- Damian<br>
<br>
On 24/05/16 21:13, Nathan Downes wrote:<br>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This morning we started having a few
clients unable to connect, I see the MAC addresses of the
modems learnt on the core switch but LCP appears to fail. It
is across two providers so I can’t blame them (issues may be
different for each of them) Debugging PPP negotiation just
repeats the below.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">*May 24 18:42:08.611: ppp470 LCP:
Event[Timeout-] State[REQsent to Stopped]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:08.611: ppp470 LCP:
Event[DOWN] State[Stopped to Starting]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:08.611: ppp470 PPP: Clearing
AAA Unique Id = B70<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:08.611: ppp470 PPP: Phase is
DOWN<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.307: ppp475 LCP: O CONFREQ
[REQsent] id 5 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.307: ppp475 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.307: ppp475 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.307: ppp475 LCP:
MagicNumber 0x1A8E4B9E (0x05061A8E4B9E)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.307: ppp475 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.531: ppp472 LCP: O CONFREQ
[REQsent] id 6 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.531: ppp472 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.531: ppp472 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.531: ppp472 LCP:
MagicNumber 0x1A8E449C (0x05061A8E449C)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.531: ppp472 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.531: ppp476 LCP: O CONFREQ
[REQsent] id 3 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.531: ppp476 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.531: ppp476 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.531: ppp476 LCP:
MagicNumber 0x1A8E5C44 (0x05061A8E5C44)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:10.531: ppp476 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.323: ppp475 LCP: O CONFREQ
[REQsent] id 6 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.323: ppp475 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.323: ppp475 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.323: ppp475 LCP:
MagicNumber 0x1A8E4B9E (0x05061A8E4B9E)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.323: ppp475 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.547: ppp472 LCP: O CONFREQ
[REQsent] id 7 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.547: ppp472 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.547: ppp472 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.547: ppp472 LCP:
MagicNumber 0x1A8E449C (0x05061A8E449C)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.547: ppp472 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.547: ppp476 LCP: O CONFREQ
[REQsent] id 4 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.547: ppp476 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.547: ppp476 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.547: ppp476 LCP:
MagicNumber 0x1A8E5C44 (0x05061A8E5C44)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:12.547: ppp476 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.339: ppp475 LCP: O CONFREQ
[REQsent] id 7 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.339: ppp475 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.339: ppp475 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.339: ppp475 LCP:
MagicNumber 0x1A8E4B9E (0x05061A8E4B9E)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.339: ppp475 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.563: ppp472 LCP: O CONFREQ
[REQsent] id 8 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.563: ppp472 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.563: ppp472 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.563: ppp472 LCP:
MagicNumber 0x1A8E449C (0x05061A8E449C)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.563: ppp472 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.563: ppp476 LCP: O CONFREQ
[REQsent] id 5 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.563: ppp476 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.563: ppp476 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.563: ppp476 LCP:
MagicNumber 0x1A8E5C44 (0x05061A8E5C44)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:14.563: ppp476 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.355: ppp475 LCP: O CONFREQ
[REQsent] id 8 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.355: ppp475 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.355: ppp475 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.355: ppp475 LCP:
MagicNumber 0x1A8E4B9E (0x05061A8E4B9E)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.355: ppp475 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.579: ppp472 LCP: O CONFREQ
[REQsent] id 9 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.579: ppp472 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.579: ppp472 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.579: ppp472 LCP:
MagicNumber 0x1A8E449C (0x05061A8E449C)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.579: ppp472 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.579: ppp476 LCP: O CONFREQ
[REQsent] id 6 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.579: ppp476 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.579: ppp476 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.579: ppp476 LCP:
MagicNumber 0x1A8E5C44 (0x05061A8E5C44)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:16.579: ppp476 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.371: ppp475 LCP: O CONFREQ
[REQsent] id 9 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.371: ppp475 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.371: ppp475 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.371: ppp475 LCP:
MagicNumber 0x1A8E4B9E (0x05061A8E4B9E)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.371: ppp475 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.595: ppp472 LCP: O CONFREQ
[REQsent] id 10 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.595: ppp472 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.595: ppp472 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.595: ppp472 LCP:
MagicNumber 0x1A8E449C (0x05061A8E449C)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.595: ppp472 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.595: ppp476 LCP: O CONFREQ
[REQsent] id 7 len 18<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.595: ppp476 LCP: MRU
1492 (0x010405D4)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.595: ppp476 LCP:
AuthProto PAP (0x0304C023)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.595: ppp476 LCP:
MagicNumber 0x1A8E5C44 (0x05061A8E5C44)<o:p></o:p></p>
<p class="MsoNormal">*May 24 18:42:18.595: ppp476 LCP:
Event[Timeout+] State[REQsent to REQsent]<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">As we handoff to the providers from the
switch this one is connected to I have very few ways of
following the traffic to the other side, I can see requests go
out but they either don’t make it to CPE or the response
doesn’t make it back. Nothing has been changed networkwise in
the last 3 months so bit lost. Have rebooted the switch just
in case as it has been a year or so, but that just got more
angry calls <span style="font-family:Wingdings">J</span> <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">CPE is just a simple modem on other side,
no difference between working and non working ones, BRAS is a
7204vxr with a G2. “core” switch is just a simple 3560g<o:p></o:p></p>
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