
Installing and Maintaining BN Platforms
5-12 109352-E Rev. A
4. Connect the desired cables to the module.
Replacing a Routing Engine Module or SRM-F
The Backbone Node hot-swap feature allows you to remove and replace
FRE/FRE-2/ARE modules or SRM-Fs with the power on or off.
When removing or installing a routing engine processor module or an SRM-F,
keep the following in mind:
• When you remove a FRE module, connections to the slot in question and the
services that slot provides become disrupted. The other FRE modules
resynchronize their routing tables after the slot fails to receive packets.
• The SRM-F and SRM-L (see previous section) each supply two backbones.
This means two backbones become inactive if you remove one of these
modules, and four backbones become inactive if you remove both. When you
insert one module, its associated backbones become active.
• When you insert a routing engine processor module in a slot, and the module
determines that slot power is stable, the module automatically resets as
follows:
-- The module executes the diagnostics image on its memory card
-- The module completes the boot process
• Insert ARE processor modules only in slots opposite ARE link modules.
Note: We recommend that you issue the diags command to the associated
slot, using the Bay Networks Technician Interface, immediately after you
insert a link module. (Refer to Using Technician Interface Software.)
Otherwise, the link module FAIL LED will remain lit, indicating diagnostics
have not run on the ILI.
Even if you do not issue the
diags command, the link module initializes and
becomes operational as long as the board functions properly and contains the
correct interface configurations.
Danger: A potential energy hazard exists during hot-swap service of
processor modules. Do not remove more than two adjacent modules without
powering off the hardware platform.
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