I have not seen this type of configuration in a very long time...
The UC-560 these days does not use the Loopback setup anymore, it creates a VLAN-90 as a replacement which is a more logical way of doing things in my opinion.
Those Loopbacks look oddly familiar to really old configuration or loopbacks for VPN/VLAN configurations which are additional to the standard configuration.
The current way CCA sets it up is as follows:
ip address 10.1.10.2 255.255.255.252
ip access-group 103 in
ip nat inside
ip virtual-reassembly in
And then adds the other associated configuration to go with it.
Was this an upgrade to an older configuration or from scratch?
I would not remove them just yet until we can establish why they are there as they might be critical to other configurations currently active on the system.
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Do you have SSL VPN configured? Those look like the loopback addresses that CCA creates for the virtual-template used for SSL VPN. CCA used to create a new loopback interface each time you modified the SSL VPN config, but the latest version (3.1.1) has that fixed.
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