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Community Member

Point-to-Point Multilink: One T1 is UP/Down

Hello,

A client recently ordered another T1 between their locations. I don't believe they requested it to be bonded. I configured both ends to use ppp multilink but one of the T1s stays in a UP/DOWN state. I use the same config that I always use (its pretty simple..) but I can't get that other T1 to come online. We tried swapping the T1s and the UP/DOWN follows the specific line. ATT says the T1 is fine.

Does a T1 need to be specifically ordered as bonded through ATT? Any other ideas as to why one is up/down?

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Accepted Solutions
Hall of Fame Super Gold

Point-to-Point Multilink: One T1 is UP/Down

It's down due because faulty circuit.

It's normal that telco says otherwise. They always do, before being shown otherwise.

6 REPLIES
Hall of Fame Super Gold

Point-to-Point Multilink: One T1 is UP/Down

It's down due because faulty circuit.

It's normal that telco says otherwise. They always do, before being shown otherwise.

Community Member

Point-to-Point Multilink: One T1 is UP/Down

Thanks. Are you saying that nothing has to be specifically ordered to make them bonded? Is that all in my config?

Point-to-Point Multilink: One T1 is UP/Down

You'll need to order MLP for them to configure it on their side before it will work on yours... Otherwise, it'll be considered as 2 separate circuits.

HTH, John *** Please rate all useful posts ***
Hall of Fame Super Gold

Re: Point-to-Point Multilink: One T1 is UP/Down

If the T1s are between your own locations, you don't have to order anything special, and will be two separate circuits.

If they are  to ATT servicea, as j.blakley is assuming above, you will have to order them budled.

In both cases, interface up/down indicates faulty circuit, bonded or not.

Community Member

Point-to-Point Multilink: One T1 is UP/Down

It looks like everyone is correct. I called ATT again and forced them to run the tests and they were unable to loop the smartjack. They are dispatching.

I will post back with results.

Hall of Fame Super Gold

Re: Point-to-Point Multilink: One T1 is UP/Down

Very good, please remember to rate useful posts clicking on the stars below.

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