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Maintaining ERX Routers
CAUTION: When handling modules, use an antistatic wrist strap connected to the
router’s ESD gr
ounding jack. This action helps to protect the module from damage
by electrostatic discharge.
To upgrade the
NVS cards on the SRP modules in a system that
contains two SRP modules:
1. Connect the antistatic wrist strap to the ESD grounding jack on your router.
2. Halt the redun
dant SRP module.
host1#halt standby-srp
3. Remove the red
undant SRP module from the chassis.
4. Replace the NVS card on this SRP module. (See “Replacing an NVS Card” on
page 89.)
5. Reinsert the SRP module into the chassis.
6. When this SRP module is available, synchronize the SRP modules.
host1#synchronize
7. When the SRP modules are synchronized, reboot the SRP module that you
upgraded.
host1#reloa
dslot7
8. When this SRP module is available, synchronize the SRP modules.
host1#synch
ronize
9. When the SRP modules are synchronized, force the redundant SRP module to
take over fro
m the primary SRP module.
host1#srp switch
10. Halt the redu
ndant (former primary) SRP mod ule.
host1#halt standby-srp
11 . Immediately
remove the former primary SRP module.
12. Repeat Steps 4–8 for the former primary SRP module.
Replacing an NVS Card
To replace a n NVS card on an SRP module:
Replacing an NVS Card 89