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Manual Recovery An upgrade with manual recovery (using the -m option with the bcmsysupgrade
utility) formats the flash memory after backing up the current software, then
copies the upgraded files to the bridge/router. If the upgrade is not successful, you
must restore the software from the NMS.
If you are upgrading your hardware as well as the software, you can easily recover
your old hardware if the upgrade is not successful. However, because you erased
the flash memory on the new hardware, you will need to restore the original
software from the NMS if you want to return the new hardware to its original
state.
Table 2 lists the memory requirements for each software package on the platform
you are upgrading to. If you are upgrading to an earlier version of software, see
the guides that came with that version for the memory requirements.
Table 2 Version 11.2 Software Packages
Flash Memory Required for:
Software Package Model DRAM Required Automatic Recovery Manual Recovery
NETBuilder II with DPE: (The standard flash memory card from 3Com
is 20 MB)
(AC) - APPN/Connection Services DPE All DPE modules
ship with enough
DRAM for all
software packages.
40 MB 20 MB
(DW) - Multiprotocol Router DPE 40 MB 20 MB
(DE) - Multiprotocol Router with
56-bit Encryption
DPE All DPE modules
ship with enough
DRAM.
40 MB 20 MB
(DS) - Multiprotocol Router with
128-bit Encryption
DPE 40 MB 20 MB
SuperStack II NETBuilder Token Ring:
(TE) - Multiprotocol Router with
Encryption
327, 527 12 MB 8 MB 4 MB
SuperStack II NETBuilder SI:
(NW) - IP/IPX/AT Router 432, 442, 452, 462
532, 542, 552, 562
All SuperStack II NETBuilder SI bridge/routers ship with enough
DRAM (16 MB) and flash memory (8 MB) for automatic recovery.
(BF) - Boundary Router 433, 443, 453, 463
533, 543, 553, 563
(CF) - Multiprotocol Router 437, 447, 457, 467
537, 547, 557, 567
(AX) - APPN/Connection Services 438, 448, 458, 468
538, 548, 558, 568
(NE) - IP/IPX/AT Router with 56-bit
Encryption
432, 442, 452, 462
532, 542, 552, 562
(NS) - IP/IPX/AT Router with 128-bit
Encryption
432, 442, 452, 462
532, 542, 552, 562
(CE) - Multiprotocol Router with
56-bit Encryption
437, 447, 457, 467
537, 547, 557, 567
(CS) Multiprotocol Router with
128-bit Encryption
437, 447, 457, 467
537, 547, 557, 567