What to do when the ISDN link is not stable
Posted by Elena Brambilla, Last modified by Daniel Lizaola on 12 December 2017 04:35 PM
ISDN P-P (point to point):
Are there a lot of log entries within some seconds, like

LOGINFO : Link down on interface ISDN 0 2
LOGINFO : Link down on interface bri 0 0 2
LOGINFO : Link up on interface ISDN 0 2
LOGINFO : Link up on interface bri 0 0 2

make sure the power-feed is disabled on the SmartNode ISDN ports.

port bri 0 X
no power-feed

See more information about the ISDN line power here
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