ASG Guard Overview
7
2.5 ASG Guard/ASG Guard Plus Functional Overview
The ASG Guard/ASG Guard Plus provides the following basic functions:
•
secure access to host device
•
site connectivity
•
alarm
processing
•
data buffering
Area
Function
Secure Access
As a front end to host devices, the ASG Guard/ASG Guard Plus
provides secured access. All users connecting to the ASG
Guard/ASG Guard Plus via network, modem or directly (AUX Port)
need to authenticate themselves before being passed through to a
host device or permitted to administer the ASG Guard/ASG Guard
Plus. Several authentication mechanisms are available in the unit.
The ASG Guard/ASG Guard Plus also provides a logical switching
function, which allows an authorized user to connect to any host
device listed in the user’s profile.
Site Connectivity
Acts as a central point for connection to all equipment at the site.
Allows connection via a local terminal, dial-up modem, and
Ethernet. A dial-up modem can also be used for PPP connections
allowing remote access to network-connected devices.
Alarm Processing
When attached to a maintenance port of a host device, the ASG
Guard/ASG Guard Plus can process alarm messages and other
ASCII based data streams. Alarm messages can be delivered via
modem or network connectivity. Using either PPP or network
connectivity, the ASG Guard/ASG Guard Plus can deliver SNMP
traps to network managers. The ASG Guard/ASG Guard Plus can
convert ASCII based alarms received on its host ports to standard
SNMP traps. Acting as a SNMP trap proxy agent, the ASG
Guard/ASG Guard Plus allows legacy equipment to be managed
and provides alarm-reporting functions.
Data Buffering
The ASG Guard/ASG Guard Plus can buffer all data transmitted to
a host port by the attached device. Data is collected on a
RAMdisk. Error messages, CDR, traffic data and other information
can be subsequently delivered to a central location via dial-up or
network.
Содержание Lucent Technologies Access Security Gateway Guard
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