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Multiservice Switch 7400 Hardware Installation, Maintenance, and Upgrade 6.1S2
Chapter 25
Failed function processor replacement
Replace a failed function processor (FP) to either restore or ensure continued
delivery of configured services.
• “Prerequisites to failed function processor replacement” (page 147)
• “Failed function processor replacement task flow” (page 148)
Prerequisites to failed function processor replacement
• In order to replace an FP, a software operator and hardware installer must
coordinate their activities. Failure to do so can result in service
interruptions. Whenever possible, schedule upgrades and replacements
of spared FPs during maintenance windows.
CAUTION
Risk of electrostatic damage
When handling processor cards, wear a grounded
antistatic wrist strap so that you do not damage electronic
parts. For more information, see
“Avoiding damage from
static electricity” (page 208).
CAUTION
Service loss on active ports
Unspared FPs, including FPs configured with intra-card
APS (port-to-port sparing on a single FP), will
experience a loss of service on any active ports for the
time it takes to replace the FP.
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