
B-32
MAX Administration Guide
Diagnostic Parameters and Commands
Using diagnostics-related DO commands
If you enter the command while traffic through your MAX unit is heavy, the resulting amount
of output can make it tedious to find the information you are looking for. The screen might
even display the message
----- data lost -----
, which just means that not all the
output can be displayed on the screen. You might prefer to use the Ether-Display command
during a period of low throughput.
Usage:
ether-display
port 0-#
n
Example: To display the first 12 octets of each Ethernet packet for all ports:
MAX> ether-display 0 12
Display the first 12 bytes of ETHER messages
ETHER XMIT: 105 octets @ B07BE920
[0000]: 00 40 C7 5A 64 6C 00 C0 7B 0C 01 59
ETHER RECV: 64 octets @ B077EE70
[0000]: 00 C0 7B 0C 01 59 00 40 C7 5A 64 6C
ETHER XMIT: 219 octets @ B07BE920
[0000]: 00 40 C7 5A 64 6C 00 C0 7B 0C 01 59
ETHER RECV: 64 octets @ B077F4C0
[0000]: 00 C0 7B 0C 01 59 00 40 C7 5A 64 6C
MAX> ether-display 0 0
ETHER message display terminated
Fatal-History
Description: Displays the MAX fatal-error log. Each time the MAX unit reboots, it logs a
fatal-error message to the fatal-error log. The fatal-error log also includes warnings, for which
the MAX unit did not reset. Development engineers use Warnings for troubleshooting
purposes. A warning indicates that the MAX unit detected an error condition but recovered
from it. The number of entries in this log is limited by available flash memory space, and the
errors rotate on a First-In, First-Out (FIFO) basis. Use the Clr-History command to clear the
log.
Note:
If your MAX unit experiences a fatal-error reset or warning, contact technical support
immediately.
Definitions of fatal errors:
The following reset is the result of an Assert. This problem can be either hardware or software
related. Contact technical support if you experience an FE1 reset.
FATAL_ASSERT = 1
The following reset results from an out-of-memory condition, sometimes termed a memory
leak:
FATAL_POOLS_NO_BUFFER = 2
Syntax element
Description
port 0-#
The range of Ethernet ports on which received or transmitted packets
should be displayed. Use zero only to indicate that Ethernet packets for
all ports should be displayed.
n
The number of octets to display from each Ethernet packet.