Avaya Configuring and Troubleshooting Bay Dial VPN (DVS) Networks Uživatelský manuál Strana 160

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Configuring and Troubleshooting Bay Dial VPN Services
C-16 303509-A Rev 00
Table C-2. Remote Access Concentrator Troubleshooting Chart
Problem/Symptom Possible Cause Action
Session not terminated. Certain situations can leave a session
open.
On CLI ports, the
hangup
command may not disconnect a
modem or a switch. On CLI login
ports, a modem, telephone, or
switch disconnection may not
terminate the CLI connection or
UNIX session. Thus, the next port
user finds a CLI connection with
jobs already active and does not
receive a security prompt, or
receives a shell prompt without
logging in.
A port configured as autobaud may
retain the baud rate of the previous
session.
The port server session may not be
terminated if you try to use an outgoing
RAC port as a front-end to another host
(or to connect to a modem or switch),
and the interface at the other end drops
DCD.
If any of these situations occurs, do the
following:
Make sure that the RAC port
parameters are set correctly.
Check the cable connections,
paying close attention to the wiring
of the RAC’s DCD, DSR, and DTR
control lines.
The superuser
stats
,
tap
, and
control
commands provide useful
information. When changing
parameters using
na
or
admin
,
remember to use the
reset annex
command after entering the new
values.
Connection delays when
using name servers.
If
name_server_1
and
name_server_2
are defined, and
name_server_1
is down or does not
exist, there will be up to a 30-second
delay until
name_server_2
resolves
the name during a connection to a host
using
rlogin
or
telnet
.
If both name servers are down or they
do not exist, there will be up to a
45-second delay.
If the host to which the user ID is trying
to connect is not in the RWHO host
table, an error occurs. The terminal
displays a message informing the user
that the name server is unreachable.
Verify that the name servers exist and
that their names are spelled correctly in
the configuration parameters.
(continued)
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