6-25
Cisco VG248 Analog Phone Gateway Software Configuration Guide
OL-1209-02
Chapter 6 Troubleshooting the VG248
Working with the Event Log
Step 3
Choose View recent to display recent messages.
Step 4
See
“Understanding Sub-Systems on the VG248” section on page 6-25
for
information on resolving these errors.
Tips
You can also select View all to display all errors, or View new to
display new errors only.
Understanding Sub-Systems on the VG248
The VG248 generates informational and warning messages and errors from
different sub-systems in its software. Many of these messages do not require any
intervention on your part; the device simply notifies you of changes or updates.
Other errors and warnings require additional troubleshooting or configuration.
Table 6-7
provides an overview of the different sub-systems on the VG248 that
might generate informational or warning messages.
Table 6-7
VG248 Sub-Systems
System
Description
DHCP
Communicates with DHCP server.
Ethernet
Concerned with low-level network link integrity.
OS
Runs the low-level services of the VG248.
FTP
Used to send new software images to the VG248.
DNS
Resolves host names to IP addresses.
TFTP
Handles retrieval of Cisco CallManager port configuration.
SLIC
Detects events from analog handsets.
DSP
Provides digital signal processing.
POTS
Bridges between analog and IP telephony.
