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User Manual - Configuration Guide (Volume 3)
Versatile Routing Platform
Chapter 1
DDR Configuration
1-81
DDR A link is connecting by this dialer map, waiting this link
DDR
Enqueue this packet
DDR
queue is full discard the packet
DDR
try to find routing to 100.1.1.2 on interface Serial0
DDR
it is an interesting packet
DDR
Find a dialer map matching the address
DDR
A link is connecting by this dialer map, waiting this link
DDR
Enqueue this packet
DDR
queue is full discard the packet
% SIMUDIAL
Serial0 changed state to UP.
DDR
Receive CALL_CONN_CFM
% interface Serial0 changed state to UP.
DDR
link layer ask the PPP_interface of the interface Serial0
DDR
link layer transfer NAME "" to DDR on interface Serial0
DDR
NAME authentication OK
DDR
link negotiation Up on interface Serial0
% Line protocol ip on interface Serial0,changed state to UP.
Information displayed at the call receiving end:
%SIMUDIAL Serial0 changed state to UP.
DDR
Receive CALL_CONN_IND
% interface Serial0 changed state to UP.
DDR
link layer ask the PPP_interface of the interface Serial0
DDR
link layer transfer NAME "" to DDR on interface Serial0
DDR
NAME authentication OK
DDR
link negotiation Up on interface Serial0
DDR
peeraddr matching success on interface serial0, link Up.
% Line protocol ip on interface Serial0,changed state to UP.
III. The debugging information displayed when DDR fails to interwork with the
opposite end and the solution
This section lists in turn the debugging information when DDR fails to interwork with the
opposite end and explains how it is generated. Users may clear the fault by following
the attached solutions.
DDR: Receive CALL_DISC_IND
This debugging information may be generated by the following causes:
a. The physical connection between local end and remote end is cut off, poor
connection between telephone line and router, and poor telephone line quality.b.
Incorrect PPP authentication configuration, PPP authentication fails to pass.
c. The remote DDR authentication fails to pass, the name (dialer remote-name, name
in dialer map) configured by DDR is inconsistent with the name configured in PPP
authentication configuration, there is no local network layer address in the remote
dialer map.
d. It is not a fault, while the problem is caused when the remote DDR idle-timeout timer
is timeout, the opposite end hooks on this connection.
The solutions are as follows:
a. For incorrect PPP configuration, please configure according to the example above.
b. If the names are configured inconsistently, please configure according to the
example above.
c. For the problem of “Network layer address”, please take one of the following
solutions in the configuration of the opposite end: