Priscilla Oppenheimer wrote:
> Why would the clocking on the frame-relay circuit to the processing
building
> have anything to do with the clocking on the T1s to the branch offices?
> Maybe I'm not understanding your configuration correctly. Are they all
using
> the same interface or something?
>
> Clocking is a per-circuit configuration. So the fact that the Frame Relay
> circuit is going away shouldn't have any effect on the T1s and shouldn't
> tempt you to change their configs in my opinion. If it ain't broke, don't
> fix it.
>
> It is odd that you are doing internal clocking at the 3640 central
location.
> What are these "private T1s?" Usually the provider provides clocking, eh?
When connected to a frame switch, DCE device, you clock off the line
since the switch provides clock. On every dedicated T1 I have ever
worked on one router provides clock the other clocks off the line, the
provider doesn't clock dedicated T1's. Not in Oregon for sure :)
Dave
>
> Priscilla
>
> Adam Frederick wrote:
>
>>Scenario: Centralized headquarters with 4 branch locations. At
>>central
>>location, a 3640 is in place with private T1's to each location
>>using PPP
>>encap and a frame-relay line to a processing building. The
>>frame-relay
>>line is set as clock source line and all the other T1's are
>>internal on
>>the 3640 core router. Each of the branch routers is configured
>>w/ clock
>>source line. Now, here comes in the intro to the problem. The
>>processing building is no longer needed and the frame-relay
>>line must go
>>away. Leave clocking setup as is or does there need to be
>>changes?
>>There will be no line in the core that's set to clock source
>>line, only
>>clock source internal. Another router will be put in place
>>that has a
>>Frame connection on it, but I have no access to this router,
>>it's a
>>partner companies. Please advise. Thanks! A....
>>
>>------------------------------------------------------------------------
>>
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--
David Madland
CCIE# 2016
Sr. Network Engineer
Qwest Communications
612-664-3367
"Emotion should reflect reason not guide it"
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