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8. Troubleshooting
8-8 December 2002 9700-A2-GB20-20
Alarms
The following table describes the alarm conditions that will generate an SNMP trap
for a physical interface, and the frame relay LMIs and DLCIs. These alarm
conditions also generate Health and Status messages seen on the System and
Test Status screen. Major alarms are displayed on line 24 and force on the Alarm
LED.
Main Menu Status System and Test Status
Table 8-1. Alarm Conditions (1 of 3)
Alarm Condition What It Indicates What To Do
COS
x
Down, Path
IP_
Address,
DLCI
nnnn
1
A Class Of Service
associated with a path is
down.
Contact your service provider.
CTS down to
Port-1
Device
(CSU/DSU only)
The CTS control lead on the
device’s interface is off.
Check DTR and RTS from Port-1.
Verify that the port is enabled.
Check DTR for the user data
port.
DLCI
nnnn
Down,
Port-1
(CSU/DSU
only)
The DLCI for Port 1 is
down.
Contact your network service
provider.
DSL Line Training
Alarm at Network 1
The DSL interface is
training.
Wait for training to complete.
DTR Down from
Port-1 Device
(CSU/DSU only)
The DTR control lead on
the device connected to
Port
1 is deasserted.
The DTR control lead on
the device connected to the
specified port is off. This
message applies to data
ports that act as DCEs.
Examine the attached DTE and
cable connected to the system’s
port.
Check that the port cable is
securely attached at both ends.
Check the status of the
attached equipment.
Ethernet Mgmt Down
(CSU/DSU only; minor
alarm)
The Ethernet management
interface is down. The port
is enabled and is the
primary interface for
management data, but
communication between the
management system and
the unit is not possible.
Check the management system.
Ethernet Port Down
(Router only)
The communication link for
the Ethernet port is down
and the Interface Status for
the port is enabled.
Check the LAN connected to the
Ethernet port.
1
nnnn
indicates a DLCI number of 16 through 1007.