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Cisco Prime Network 4.0 User Guide
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Chapter 25 Monitoring Mobile Technologies
Monitoring the Mobility Management Entity
Viewing the LTE Security Procedure Configuration Details
To view the LTE security procedure configuration details for a MME service:
Step 1 Right-click the required device in Prime Network Vision and choose Inventory.
Step 2 In the logical inventory window, choose Logical Inventory > Context > Mobile > MME > MME
service > LTE Security Procedure. The configuration details are displayed in the content pane.
Table 25-89 displays the LTE security procedure configuration details.
Table 25-88 ESM Configuration Details
Field Description
T3485 Timeout The timeout duration (in seconds) for the T3485 timer, which is used to
activate the default EPS Bearer context. The timer starts when the MME
sends the Activate Default EPS Bearer Context Request message to the
UE. The timer stops when it receives the either the Activate Default EPS
Bearer Context Accept or Activate Default EPS Bearer Context Reject
message. This time can be any value between 1 and 60, and defaults to 6.
T3486 Timeout The timeout duration (in seconds) for the T3485 timer, which is used to
modify the default EPS Bearer context. The timer starts when the MME
sends the Modify EPS Bearer Context Request message to the UE. The
timer stops when it receives the either the Modify EPS Bearer Context
Accept or Modify EPS Bearer Context Reject message. This time can be
any value between 1 and 60, and defaults to 6.
T3489 Timeout The timeout duration (in seconds) for the T3489 timer, which is used to
deactivate the default EPS Bearer context. The timer starts when the MME
sends the ESM Information Request message to the UE. The timer stops
when it receives the ESM Information Response message. This time can be
any value between 1 and 60, and defaults to 4.
T3495 Timeout The timeout duration (in seconds) for the T3495 timer, which is used to
deactivate the default EPS Bearer context. The timer starts when the MME
sends the Deactivate EPS Bearer Context Request message to the UE. The
timer stops when it receives the either the Deactivate EPS Bearer Context
Accept or Deactivate EPS Bearer Context Reject message. This time can
be any value between 1 and 60, and defaults to 6.