Figure 8: Wiring Closet Deployment 2 – Failure Scenario 3
System logs
You can use the syslog messaging feature of the Avaya Ethernet Routing Switch 4000 Series
products to manage event messages. The Avaya Ethernet Routing Switch 4000 Series syslog
software communicates with a server software component named syslogd that resides on your
management workstation.
The daemon syslogd is a software component that receives and locally logs, displays, prints,
or forwards messages that originate from sources that are internal and external to the
workstation. For example, syslogd software concurrently handles messages received from
applications running on the workstation, as well as messages received from an Avaya Ethernet
Routing Switch 4000 Series device running in a network accessible to the workstation.
For more information about system logging, see Configuring System Monitoring on Avaya
Ethernet Routing Switch 4000 Series, NN47205-502.
Syslog messages
Syslog messages for the various states of 802.1X/EAP/NEAP/UBP authentications are
introduced to allow more thorough troubleshooting. Logged messages include:
• time of authentication
• MAC authentication success/failure
• IP address associated with MAC authentication
• VLAN and UBP policy assignment
Use the show logging command.
4526T-PWR+(config)#sh logging
Type Time Idx Src Message
---- ----------------------------- ---- --- -------
I 00:00:00:15 1 Web server starts service on port 8
0.
I 00:00:00:17 2 Successfully loaded configuration files
from block 1
System logs
Troubleshooting Avaya ERS 4000 Series April 2014 33
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