Maintenance And Failure Scenarios - Cisco ASR 5000 series Product Overview

▀ Service Availability Features
Figure 31.
32 31 30
E
E E
T
M M
H
P P
T T
L
Y Y
C
R
E E
E
M M
D
P P
T T
L
Y Y
C
46 45
48 47

Maintenance and Failure Scenarios

The following table shows various maintenance and failure scenarios involving the SMC and SPIO cards; and explains
how each situation is resolved.
Table 22. Service Assurance Features for the SMC and SPIO
Hardware Action Taken
Failure
Scenario
SMC - Tasks are switched
Planned over to standby
maintenance SMC. SPIO remains
active.
▄ Cisco ASR 5000 Series Product Overview
Recommended Redundant Configuration for Data Services - Rear View
Chassis Airflow Exhaust
from Upper Fan Tray
29 28 27 26 25
R
E E E E
e
T T T T
d
H H H H
S
P
L L L L
I
C C C C
O
R R R R
E E E E
R
D D D D
C
C
L L L L
C C C C
44 43 42 41 40
PFU 1
Effect on
Accounting
Data
No impact
24 23 22 21 20 19
E E E E E
S T T T T T
P H H H H H
I
O L L L L L
C C C C C
R R R R R
E E E E E
R
D D D D D
C
C
L L L L L
C C C C C
39 38 37 36 35 34 33
PFU 2
Effect on User Effect on the
Sessions Flow of User
Data Packets
No impact No impact
Redundancy and Availability Features
18 17
E E
T T
H H
L L
C C
R R
E E
D D
L L
C C
Effect on User Effect on
Control Management
Transactions Traffic
No impact < 1 sec. Interrupt
OL-22938-02