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| Upgrading to the PRP |
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| Step 4 | If the Cisco IOS version is not the same as the one running on the GRPs, delete | |||||
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| the image from the disk using the delete disk1: filename command (or the delete | |||||
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| is correct, continue with Step 7. | |||||
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| Note Before you delete the image, verify that you have a copy of this image on | |||||
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| another disk or at another location. | |||
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| Step 5 | Use the copy tftp: disk1: command to copy onto the Flash disk a PRP image that | |||||
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| is the same as that currently running on the GRPs (in this example, 12.0(26)S). | |||||
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| PRP images are titled | |||||
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| You will receive an error that the PRP image is not executable on the GRP. When | |||||
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| prompted to abort the copy, type n. | |||||
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| Use the copy tftp: | |||||
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| Router# copy tftp: disk1: | |||||
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| Address or name of remote host [172.16.16.254]? | |||||
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| Source filename | |||||
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| Destination filename | |||||
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| Accessing | |||||
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| %Warning: File not a valid executable for this system | |||||
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| Abort Copy? [confirm] n | |||||
| Step 6 | To verify that the image has been copied correctly, verify the MD5 hash for the | |||||
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| new image on disk1:. To do this, use the command verify /md5 | |||||
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| The resulting string should be compared against the MD5 hash value posted on | |||||
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| the Software download page on Cisco.com. | |||||
| Step 7 | Place the Flash disk referred to in Step 5 back into the PRP Flash disk drive. | |||||
| Step 8 | Repeat Step 2 through Step 7 for the second PRP to be installed as standby. | |||||
| Step 9 | Remove any existing boot system commands from the running configuration by | |||||
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| using the command no boot system. This will make the PRP boot from the image | |||||
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| on the Flash disk. | |||||
| Step 10 | Remove the standby GRP from the router. | |||||
| Step 11 | Insert the PRP into the router in place of the standby GRP. The PRP will now | |||||
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| begin to load the Cisco IOS image contained on the Flash disk. At this stage, even | |||||
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| though a GRP and a PRP are in the chassis simultaneously, the router remains in | |||||
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| SSO or RPR+ mode because the RPs are running the same image. | |||||
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| Performance Route Processor Installation and Configuration Guide |
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| 35 |
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