Примечания к выпуску для Cisco Cisco IOS Software Release 12.2
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Limitations and Restrictions
OL-3177-01B
Limitations and Restrictions
Step 4
If Step
worked, you need not perform the rest of this recovery procedure. Instead, you should boot the
Cisco IOS software and proceed to Step
If Step
did not work, the rommon prompt is returned and you must proceed to Step
to continue with
the recovery procedure.
Step 5
If the correct dboot2 image is not in bootflash or the image is corrupt, perform the following steps to
use the xmodem command to download a valid dboot2 image to use to boot the DSLAM:
use the xmodem command to download a valid dboot2 image to use to boot the DSLAM:
a.
Open a terminal emulation window (such as Hyper Terminal) on a PC that is connected to the
DSLAM through a console port.
DSLAM through a console port.
b.
Configure the following terminal emulation settings: port = com1 or com2, data rate = 9600, bits = 8,
parity = none, stop bits = 1. You must use these values for the recovery procedure to work.
parity = none, stop bits = 1. You must use these values for the recovery procedure to work.
c.
Make sure that the PC contains a valid dboot2 image or is connected to a network where a dboot2
image is stored on a server.
image is stored on a server.
d.
On the DSLAM, issue the following command to copy the dboot2 image to the specified filename.
The command creates a temporary copy of the dboot2 image on the DSLAM; therefore, you must copy
the image to bootflash or it will be lost when you reload the DSLAM (Step
The command creates a temporary copy of the dboot2 image on the DSLAM; therefore, you must copy
the image to bootflash or it will be lost when you reload the DSLAM (Step
).
rommon> xmodem filename
e.
Wait for a prompt indicating that rommon is ready to receive the file.
f.
In the Hyper Terminal window on the PC, click Transfer in the menu bar at the top of the window
and select Send File.
and select Send File.
g.
Select Xmodem as the protocol, and specify the name of the dboot2 image to copy to the DSLAM.
h.
Click Send to start the copy.
Note
It may take 1 hour or more for the copy to complete.
i.
When the download completes, the DSLAM boots automatically.
Step 6
To complete the recovery procedure, copy the dboot2 image to bootflash memory (for example,
using TFTP). If you do not perform this step, the dboot2 image will be lost when you reload the DSLAM.
using TFTP). If you do not perform this step, the dboot2 image will be lost when you reload the DSLAM.
Step 7
To finish booting the DSLAM, issue the following command:
DSLAM> reload
Limitations and Restrictions
The following sections describe the limitations and restrictions for Cisco IOS software DSLAM releases.
Redundant NI-2 Card Operation
When using NI-2 cards in a redundant fashion, we recommend that you issue the command redundancy
reload-peer on the active NI-2 card after the system has loaded. This causes the redundant NI-2 to reload
and ensures that the redundant configuration is operational.
reload-peer on the active NI-2 card after the system has loaded. This causes the redundant NI-2 to reload
and ensures that the redundant configuration is operational.