Cisco Support Community
cancel
Showing results for 
Search instead for 
Did you mean: 
Announcements

Welcome to Cisco Support Community. We would love to have your feedback.

For an introduction to the new site, click here. And see here for current known issues.

New Member

NAC Upgrade question

I am planning to upgrade our CAS and CAM systems from version 4.6.1 to 4.7.2. The documentation states that "Cisco recommends you do not perform this upgrade procedure over an SSH connection, as the steps necessary to reboot the appliance during the upgrade process will cause your connection to be lost."

Is the only concern with using SSH that you will lose your connection and need to reconnect (and possibly miss some console messages), or is there something in the upgrade that can only be done from a console connection?

My CAS systems are 65 miles apart and being forced to drive between locations will increase the window for a potential outage.

1 ACCEPTED SOLUTION

Accepted Solutions
New Member

Re: NAC Upgrade question

We bumped our CAM and 2 ea. CAS up to 4.7.2 with SSH only, no console access. Not always the best idea (in case for some reason you DO need it) but it can be done completely via SSH for commands and SCP for file transfer.

3 REPLIES
New Member

Re: NAC Upgrade question

We bumped our CAM and 2 ea. CAS up to 4.7.2 with SSH only, no console access. Not always the best idea (in case for some reason you DO need it) but it can be done completely via SSH for commands and SCP for file transfer.

Re: NAC Upgrade question

Hello,

Best to do this over console, since the tar.gz file includes an ISO and the system is booted up with that ISO and the underlying OS thus upgraded from Fedora Core to CentOS. If you start this over SSH, the process will start, but if it gets stuck due to whatever reason you'll be left with a dead CCA device which you'll have to re-image and start over.

HTH,

Faisal

New Member

Re: NAC Upgrade question

Hallo,

Could I ask yuo how you did upgrade from 4.6.1 to 4.7.2 over SSH? Because I tried it and first question was:

Please choose one of the following actions:
1) Upgrade over Standard console.
2) Upgrade over Serial console.
3) Exit upgrade.

When I choose option 1 then after restart it gets stuck. When I choose option 2 then after restart there is need to enter "the master secret" but it is possible only over serial console because SSH is disconnected and is not possible to connect back.

Can you help me?

Thank You

Best Regards

Michal Dubec

528
Views
5
Helpful
3
Replies
CreatePlease login to create content