Table 7. Ppp Lcp/Bcp Status Definitions - ADTRAN Total Access 3000 Installation And Maintenance Practice

The Typical Status states appear under normal operational circumstances. Negotiation states
normally occur in rapid succession during the negotiation phase and may only be briefly
visible. Link Closure states occur when the connection is terminated, and only appear if the
PPP link is incorrectly configured on the far end.
Status Definition
Typical States
DS1 layer is unavailable (down); Check for DS1 alarms
Initial
DS1 layer is unavailable (down), waiting to re-establish LCP/BCP link;
Starting
Check for DS1 alarms
LCP/BCP link is up and operating properly; No further action required
Open
Negotiation States
1
RMM is attempting to configure the LCP/BCP link with the far end
REQ Sent
Far end has acknowledged the configure request
ACK Received
RMM is waiting for a configure acknowledgement from the far end
ACK Sent
Link Closure States 2
LCP/BCP link is in contact with the far end, but no Open event has occurred
Closed
LCP/BCP link is in contact with the far end, but no Down event has occurred
Stopped
An attempt is being made to terminate the LCP/BCP link
Closing
An attempt is being made to terminate the LCP/BCP link
Stopping
1. If Status reflects a Negotiation State, this indicates the DS1 is working, and the LCP/BCP layers are attempting
to negotiate a connection with the far end. If the unit 'sticks' in one of the negotiation states for a long time, there
may be a PPP configuration problem with the far end (e.g., PPP Authentication could be set to something other
than 'None').
2. If Status reflects a Link Closure state, this indicates the DS1 is working, but the LCP or BCP control layers are
unable to negotiate a connection with the far end successfully. The PPP configuration should be checked on the
far end. Make sure that LCP and BCP are enabled and that PPP Authentication is set to 'None'.
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Table 7. PPP LCP/BCP Status Definitions

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