Broadband - Does multiplexing settings of LLC or VCI have any bearing on whether theres a sync light or not on a linksys router?


I spent 4 hours and finally got this working .......... but Im wondering was it due to another reason ........ like is there a wiring issue in house (has a few extensions, look amateur wiring)

Maybe I should leave it, but Ive a feeling the client will be a calling and I want to know where to go with this.
Possibly one phone (a base unit) and a few others linked (not wired) to illimineate his wiring ............ I dunno.

What the ISP says
Set Encapsulation to 'PPPoE'
Set Multiplex to 'LLC'
Set VPI to '8' and VCI to '35'

- I set Multiplexing to VC and it works and only then did the sync light stop blinking.

>>>>>>>>>>>> this is me and Linksys having a chat.

Worded: Does multiplexing settings of LLC or VCI have any bearing on whether theres a sync light or not?
Worded: I spent hours and despite not using the settings of my ISP of LLC I swapped to VC and I got a sync light. Was this due to a coincidence or a router issue?
Alfred John (15580): I am not actually sure.
Alfred John (15580): It should have bearing but there are cases where the sync light is not that reliable.
Worded: I realise that sync lights can sometimes be unreliable in areas at times.  Specifically though .......... back to my one question ......... Does multiplexing settings of LLC or VC have any bearing on whether I get a solid sync light or not? It blinked on LLC (what the ISP says it should be set to) and doesnt blink on VC.  So my question to you is  .....................
Alfred John (15580): Yes?
Worded: I spent 4 hours til 1am in a clients house figuring this out.
Alfred John (15580): The sync lights should only be stable oncea there is a valid connection.
Worded: so out of the box regardless of LLC or VC settings?
Worded: Valid connection - irrelevant of settings? Out of the box?
Alfred John (15580): Yes.
Alfred John (15580): Yes.
Worded: Ok why did the ISP modem always have a solid sync and the link sys one blink constantly til I swapped to VC?
Alfred John (15580): What do you mean?
Worded: I had a very basic ISP supplied router which had a solid sync light all the time. When I plugged in the Linksys it blinked at me all the time.  Answer ......... change the settings on the linksys to VC and bingo.  Go figure
Worded: I was there in total 4 hours.
Worded: WAg54gs-uk
Alfred John (15580): That is when you had a valid connection. It synced with the ISP already.
Worded: Ive another in another place BUT I didnt figure this and I had no ISP test modem there.
Alfred John (15580): I see.
Worded: So do you have to "Log ouT" swapping routers?
Worded: Please explain ...... Im really curious about this
Alfred John (15580): No. Just close the browser window. Save the settings if you did.
Worded: I dont trust this model of router to be honest.
Alfred John (15580): Okay.
Worded: I mean after taking one ISP supplied Netopia away I shouldnt have to wait hours for a sync after power on / off my linksys. And swap LLC And VC against the wishes of ISP

................ the conversation ends soon afterwards ...........
wordedAsked:
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publicConnect With a Mentor Commented:
> Does multiplexing settings of LLC or VCI have any bearing on whether theres a sync light or not?

No.
Only after sync is established does the LLC or VC configuretion come into play.

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Irwin SantosComputer Integration SpecialistCommented:
To answer your question..
"Does multiplexing settings of LLC or VCI have any bearing on whether theres a sync light or not on a linksys router?"
Logically if it works, then yes.

PPPoE is your provider's way of authenticate usage on their network.  This is THEIR way, and you have to conform.  Unlike other providers where they give static or dynamic IP, you need to insert THEIR protocol.

I would just leave it alone..unless the provider you have is not treating you well.
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Gary CaseConnect With a Mentor RetiredCommented:
"... PPPoE is your provider's way of authenticate usage on their network.  ... Unlike other providers where they give static or dynamic IP ..."  ==>  PPPoE is a connection protocol used to authenticate the connection;  it has NOTHING to do with whether or not you have a static or dynamic IP;  and you will STILL be assigned an IP  (without one nothing will work !!)

As for the question here "Does multiplexing settings of LLC or VCI have any bearing on whether theres a sync light or not on a linksys router?" ==>  Absolutely.   The multiplexing settings must match the network, or you'll not be able to achieve synchronization.   LLC is an encapsulation technique that allows the use of multiple protocols over a single virtual channel.   What you've encountered here is simply a disconnect between the terminology that's used in the Linksys documentation and your ISP's notes ==> but you've got it set up correctly now ... so leave well enough alone :-)

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Irwin SantosConnect With a Mentor Computer Integration SpecialistCommented:
@worded...to clarify what I said, and KINDLY pointed out by garycase..
"PPPoE is a connection protocol used to authenticate the connection;  it has NOTHING to do with whether or not you have a static or dynamic IP;  and you will STILL be assigned an IP  (without one nothing will work !!)"
yes you do need an IP, and I wasn't incling that you didn't, in fact I mentioned authentication. "THEIR protocol"=their policy, nothing technical about this and surely not some other network topology
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publicCommented:
Set Encapsulation to 'PPPoE'
Set Multiplex to 'LLC'
Set VPI to '8' and VCI to '35'

Typical bellsouth settings.
Again you must have sync first before these matter.

Sync problems should be always tested at the NID interface box to elininate house wiring problems.
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publicCommented:
>Worded: I mean after taking one ISP supplied Netopia away I shouldnt have to wait hours for a sync after power on / off my linksys. And swap LLC And VC against the wishes of ISP

You cannot wish different LLC or VC settings. These have to match the telco in order to establish a virtual circuit to your ISP.

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wordedAuthor Commented:

I was getting a blinking DSL light.

One tech at the ISP said VC and the other LLC and I got confused.
It was a mish mash of results using different cable etc..........
I actually got a solid light on VC ! BUT no connection to the www.

I was baffled and the posts have explained it a lot.

in the end the ISP fixed it a few days later.
Its my belief that the ISP was having issues when I was configuring the modem.

If all this doesnt make sense ........... There are two cases mixed into this and both are solved now.
Too many hours in work, its great to read opinions after the event and see the different slants.  

Thanks to everyone.
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Irwin SantosComputer Integration SpecialistCommented:
cool.thank you!
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