Re: Frame Relay LAPF - LMI

Many Thanks - All clear now...

----- Original Message ----
From: William McCall <william.mccall_at_gmail.com>
To: CCIE League <ccieleague_at_ymail.com>
Cc: CCIEGS <ccielab_at_groupstudy.com>
Sent: Friday, 11 September, 2009 5:31:02
Subject: Re: Frame Relay LAPF - LMI

Just one more update:

If we're doing it DTE to DCE, LAPF only comes up when both sides are
configured with

frame-relay svc

Hope that clears up any confusion.

--WM

On Thu, Sep 10, 2009 at 11:09 PM, William McCall
<william.mccall_at_gmail.com> wrote:
> Btw, my reference is Cisco Frame Relay Solutions Guide under the
> "Frame Relay Switched Virtual Circuit (SVC) > Monitoring Frame Relay
> SVC" section.
>
> Its a bit of a tricky question because LAPF core is basically the
> framing of Frame Relay user frames and LMI frames. However, the
> operational state in a "sh int" refers to the SVC signaling.
>
> On Thu, Sep 10, 2009 at 11:04 PM, William McCall
> <william.mccall_at_gmail.com> wrote:
>> Basically, LAPF is all about the SVCs in Cisco's context. Static PVC
>> is still a PVC, not an SVC.
>>
>>
>>
>> On Thu, Sep 10, 2009 at 7:37 PM, CCIE League <ccieleague_at_ymail.com> wrote:
>>> Experts,
>>>
>>>
>>> What is the role of LAPF related to LMI?
>>>
>>>
>>> 1. If LMI is disabled (with no keepalive) & DLCI status is STATIC, will LAPF be used, will it come up, or will it be disabled or DOWN?
>>>
>>> 2. If using back to back FR with no LMI (no keepalive) & the PVC status will be STATIC - why would LAPF not come up?
>>>
>>>
>>> Thanks in advanced for the explanation...
>>>
>>>
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>>
>>
>>
>> --
>> William McCall, CCIE #25044
>>
>
>
>
> --
> William McCall, CCIE #25044
>

-- 
William McCall, CCIE #25044
Blogs and organic groups at http://www.ccie.net