Lifeline
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Chapter name (automatic)
1038
Beta
Beta
CLI Configuration Guide
Alcatel-Lucent
F
AILURE
M
ODES
SUPPORTED
BY
L
IFELINE
F
AILURE
OF
THE
S
ERVICES
E
NGINE
Typically all packets, including management data packets are forwarded through
the Services Engine (SE). As noted earlier, under the Lifeline management
framework, there are multiple active instances of the management process
running on each line card. Hence, if there is a problem with the SE, this is
detected by the Lifeline Manager and a special "lifeline" mode of operation is
automatically initiated to ensure uninterrupted access through management plane
processes running on a different line card as illustrated below.
Figure 67: Uninterrupted Access to System Management
As a result, full management functionality is available for rapid troubleshooting
and corrective action. In traditional solutions, such a scenario would have led to a
complete loss of management access and functionality.
The SE failures could be categorized as:
•
SE card failures: This includes hardware failures, including card removal from
slot, card power down, overheating shutdown, component failure, etc.
•
SE processor failures: This includes software failures, etc.
•
This failure is detected by the Lifeline software, which monitors the health of the
chassis components and software components.
Содержание OmniAccess 700
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