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WAN Question

rayroyaleverest
Level 1
Level 1

Does T-1 function as a Layer 2 WAN technology, or is another protocol needed with T-1?

1 Accepted Solution

Accepted Solutions

with T1 you can configure many L2 protocols:

PPP (synchronous and asynchronous)

HDLC

X25

frame relay...

View solution in original post

5 Replies 5

paolo bevilacqua
Hall of Fame
Hall of Fame

T1 it's purely layer 1.

Frame-relay is layer 2 for example.

What Layer 2 technologies are commonly used with T-1 to provide WAN connectivity? Please provide a link to a discussion about this topic.

with T1 you can configure many L2 protocols:

PPP (synchronous and asynchronous)

HDLC

X25

frame relay...

Nitpick on ohassairi's answer, PPP on T1 is always synchronous.

thank you p.bevilacqua for the correction.

i confused it with WIC-1T !!!

rayroyaleverest, please consider my answer for WIC-1T. i am not sure about T1.

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