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58 Nortel Ethernet Routing Switch 2500 Series stacking
Figure 17
CFG mirror images after removing unit 4
Removing a BU When a BU is removed, 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 the removal of the BU from the stack shown in Figure 16 "CFG mirror
images in the stack after adding unit 4" (page 57), the TEMP-BU (unit 2)
has to mirror all the CFG images in the stack (see Figure 18 "CFG mirror
images in the stack after removing the BU (unit 1)" (page 59)). The feature
also ensures that the stack always has two copies of an INACTIVE CFG
mirror image.
Nortel Ethernet Routing Switch 2500 Series
Overview — System Configuration
NN47215-500 (323162-B) 02.02 Standard
4.1 19 November 2007
Copyright © 2007, Nortel Networks
.