Before jump into WLAN troubleshooting and Problem solving it’s better to understand how wireless is working for that we can use www.cwnp.com this is vendor neutral
Logging
In AOS8 you can customized logging that to get exact information you want to see. Logging will produce more CPU utilization and also file space
In Aruba you have six main categories and some subcategories. They are Logging Arm ,network ,Security ,System ,User ,Wireless and also you can define the level for these loggings
There are eight of level in Emergencies, Alerts, Critical, Errors, Warnings, Notifications, Informational, Debugging
You can refer this link for more information
And Also you can define syslog server to send logs that generating using WLAC
Packet Analysis
ArubaOS provide four method for capture the data “Port monitoring, Packet Capture Command. Firewall mirroring
AP Capture
Port Monitoring
Capture the packet on a switch port and copy this packet to another switch port that packet analysing software is connected.
(MM1)[mynode]#cd MC1
(MM1)[00:08:67:ae:8a:39](config)interface gigabitethernet 0/0/1
(MM1)[00:08:67:ae:8a:39](config-submode)#port monitor gigabitethernet 0/0/0
(MM1)[00:08:67:ae:8a:39](config-submode)#write memory
(MC1)#show port monitor
Monitor port Port being Monitored
—————– —————————
GE0/0/1 GE0/0/0
Using WebUI
Configuration —–> Interfaces —–> Ports ——> Port Monitoring
You can capture packets in your Controller. Controller have divide into 3 section
(MC1)#show packet-capture
Active Capture Destination
——————————————-
Destination Disabled
Active Capture (Control path)
——————————————- ( You can capture RADIUS and Network Related issues )
Interprocess Disabled
Sysmsg Disabled
TCP Disabled
UDP Disabled
Other Disabled
Active Capture (Datapath)
—————————————– ( Capture the client traffic using Ipsec and Mac)
Mac Disabled
Ipsec Disabled
Thanks!!!!!!!
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