Re: (ASCEND) what happens when TNT's are UNstacked?

["Joe Max" <max_and_tnt@hotmail.com>]

>My question is, what will happen with the configs on the TNT's
>when I unstack them?  That stack of 2 will contain what is now the
>master, and one slave.  My hope is that the config will pretty much
>stay the same on this stack.

Except for all local ip-addresses (ethernet ports) and pools, everything 
else can remain the same.

>The unit that I am splitting off to become a stand-alone unit will
>need to be changed from slave to master.  Will I have to reconfigure
>this one from scratch?  Any little tricks to get around this, such as
>restoring the saved config from the original stack?

Just power down the TNTs, reconfigure the multishelf cables and power
up all the boxes. Unless you will be taking MP/MPP calls, the boxes that are 
in the multishelf configuration can start taking calls again. If you are 
going to take MP/MPP calls, you need to configure the STACKING profile and 
probably reboot the set (I don't know for sure, so better to err on the safe 
side).

While reconfiguring the unit that will become standalone, I would recommend 
that removing all its Ethernet links so it doesn't conflict with the other 
boxes.

You will need a console connection into the unit that will become standalone 
because it is going to be unconfigured. Once it comes up, restore the config 
from the original stack, change the SYSTEM profile as follows:
   read SYSTEM
   set shelf-controller-type = standalone
   set master-shelf-controller = <whatever is selected on the rotary switch>
   write -f

Finally, assign a new ip address to each ethernet interface on this box, and 
assign a new pool for this box.

That should be about it. Reboot this box (changing the shelf-controller-type 
requires a reset), reconnect all the Ethernet links and you should be ready 
to take calls.

If you expect to take MP/MPP calls, you should also configure the
STACKING profile on both so they match.

BTW, to be able to use the same config for your T3, you _must_ maintain the 
setting of the rotary switch. Otherwise, the config will have to be edited 
since the physical address fields would indicate an invalid (different) 
shelf number.


>These boxes are used strictly for dialin, so the primary config
>parameters that I'm concerned with are things like:
>   RADIUS client configuration
>   parameters for T3/T1's

These two are maintained no problem.

>   IP address for ethernet iface
>   PPP address pools

You need new values for these.

>   etc.

If you expect MP or MPP calls, you need to configure the STACKING profile.

Hope this helps,
-J

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