help PPPoE

hi all

the problem some users who connect by PPPoE can surf, but sometimes fail to surf the internet and the truth which is not right, but when I check the MIKROTIK users are doubling
image (PPPoE.jpg) can be seen as are doubled.

help. :frowning:
PPPoe.jpg

Hi,

Verify if the caller-id of PPPoE is the same.

What CPE?

hello
thanks for the help

to view the log is disconnecting users are

sending an image log
log.jpg

hi

how Verified the caller-id of PPPoE ?

mikrotik RB750GL

ubiquiti nanostation 2.4 ghz