Cisco Cisco Expressway Manuale Di Manutenzione
Configuring logging
The Expressway provides syslogging features for troubleshooting and auditing purposes.
The Event Log is a rotating local log that records information about such things as calls and messages sent
and received.
and received.
The Expressway's logging options are configured on the
Logging
page (
Maintenance > Logging
) where
you can:
n
to change the depth of event information recorded locally
n
n
addresses
n
filter the events sent to each remote syslog server by severity
Changing Event log verbosity
Control the local log verbosity by setting the Local event log verbosity between 1 and 4.
All events have an associated level in the range 1-4, with Level 1 Events considered the most important. The
table below gives an overview of the levels assigned to different events.
table below gives an overview of the levels assigned to different events.
Level Assigned events
1
High-level events such as registration requests and call attempts. Easily human readable. For example:
n
call attempt/connected/disconnected
n
registration attempt/rejected
Note that endpoints or other devices cannot register to the Expressway. Registration requests will be
rejected and will be logged with 'License limit exceeded' messages.
rejected and will be logged with 'License limit exceeded' messages.
2
All Level 1 events, plus:
n
logs of protocol messages sent and received (SIP, H.323, LDAP and so on) excluding noisy messages
such as H.460.18 keepalives and H.245 video fast-updates
such as H.460.18 keepalives and H.245 video fast-updates
3
All Level 1 and Level 2 events, plus:
n
protocol keepalives
n
call-related SIP signaling messages
4
The most verbose level: all Level 1, Level 2 and Level 3 events, plus:
n
network level SIP messages
level at which they are logged.
Cisco Expressway Administrator Guide (X8.5.1)
Page 216 of 399
Maintenance
Configuring logging