Users Guide

Information Description My Values
For SNMPv3 If you select SNMPv3, you must enter values for the following para-
meters:
l User name : A string representing the name of the SNMP
user.
l Authentication password: Authentication key for use with the
SHA authentication protocol.
l privacy password: Privacy key for encrypted messages.
l NTP server: If the controller is not already configured to use
an NTP server, enter the IP address of an NTP server.
Syslog Syslog messages are disabled by default. Use the Syslog section of
the wizard to enable syslog messages, and define the syslog cat-
egory, syslog facility levels (local0-local7) and syslog severity levels
(debug-emergency) for messages from the controller. By default,
W-AirWave syslog messages sent at the error severity level.
The possible syslog categories are as follows:
l ap-debug
l arm-user-debug
l network
l security
l system
l user
l user-debug
l wireless
AMON Message Size Changes on the Controller
Data communication between Dell controllers and W-AirWave servers has shifted from the SNMP model to the
faster, more reliable, and scalable AMON model. Though the SNMP model can still be used to communicate
data, users generally encounter delayed W-AirWave updates and high controller and process CPU usage.
The AMON packet size has been capped at a default value of 1400 bytes to reduce the amount of
fragmentation and message loss that typically occurs in larger packet sizes, which can force customers to fall
back to the SNMP model. Message size has been capped at 1400 bytes to allow for the addition of AMON
headers and PAPI/UDP/IP headers. Each packet only contains one message to further reduce the amount of
overall message loss, as the loss of even a single fragment can render an entire message invalid.
The AMON packet size can be modified using the following CLI command:
(host)(config) #amon msg-buffer-size <msg-buffer-size>
With the additional message load due to the smaller packet size and 1:1 message to packet ratio, output has
also been increased from 10 second intervals to 1 second intervals to distribute packets more evenly, helping
maintain a more stable and less congested traffic flow.
Dell Networking W-Series ArubaOS 6.5.x | User Guide Management Access |
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