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How to Configure and Use AMF on Allied Telesis Switches | Page 33
Node recovery
In the extremely unlikely situation of needing to replace an entire VCStack that is a member
of an AMF network, you can use AMF automatic node recovery to first recover stack ID 1,
which will become the VCstack master.
Note: The replacement device which will become the VCStack master must be a clean unit,
(see the section "A “Clean” node" on page 31).
The procedure for recovering an entire stack is as follows:
1. Connect a clean device to the AMF network, and power it on. The connections into the
AMF network should be between the appropriately configured AMF links on the
neighboring node, and the ports previously configured as AMF links in the backup for the
failed node configuration.
2. The AMF network should detect the replacement device and begin automatic node
recovery. Wait until automatic node recovery completes and check that the replacement
device has come up correctly as VCStack ID 1, and that the configuration is correct.
3. Configure the next replacement device as VCStack ID 2. Ensure it is installed with a
compatible release and the same set of licences that exist on ID 1. Connect the VCStack
cables and power it on.
4. VCStack ID 1 should detect ID 2 and synchronize the configuration and firmware release.
Once this has completed, check that the VCStack has formed correctly, and then connect
the remaining network connections.
For any additional VCStack members, repeat the last two steps, ensuring that the VCStack ID
is set to the next sequential value for each additional device that is added to the VCStack.