Nortel 4500 Series Overview-System Configuration page 125

CFG mirror images after removing unit 4
Removing a BU When you remove a BU, the TEMP-BU assumes the
role of the BU. Because all the CFG mirror images of the NBUs reside in
the removed BU, the TEMP-BU mirrors all the CFG image of the NBUs
in the stack.
After you remove the BU from the stack shown in
the stack after adding unit 4" (page
all the CFG images in the stack (see
removing the BU (unit 1)" (page
stack always has two copies of an INACTIVE CFG mirror image.
Copyright © 2007, Nortel Networks
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Nortel Ethernet Routing Switch 4500 Series
Overview — System Configuration
NN47205-500 02.01 Standard
5.0 23 February 2007
Auto Unit Replacement 125
"CFG mirror images in
124), the TEMP-BU (unit 2) must mirror
"CFG mirror images in the stack after
126)). The feature also ensures that the
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