Understanding Sub-Systems On The Vg248 - Cisco VG248 - Gateway Software Configuration Manual

Chapter 6 Troubleshooting the VG248
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Understanding Sub-Systems on the VG248

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See "Understanding Sub-Systems on the VG248" section on page 6-25
information on resolving these errors.
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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.
Cisco VG248 Analog Phone Gateway Software Configuration Guide
Working with the Event Log
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