You can issue the "show idb" command (Interface Descriptor Block) to determine how many subinterfaces your router will theoretically support. Each subinterface uses one IDB. Your router should support a few hundred although it may not be recommended to run that many.
As far as overloading for NAT (aka PAT) from multiple inside interfaces you shouldn?t have a problem. Just be aware there is a limit to the number of connections the single outside interface can concurrently support.
This document gives several answers on frequently asked questions for PFRv3 channel state behavior.
Q1: What are all the channel operational states from a BR (border role) perspective and what are the rules/conditions to be in each st...
The need was to reach an host inside a LAN through a VPN connection managed by the LAN gateway (Cisco 1921).
The LAN gateway performs NAT and there was a dedicate nat rule for the host i wanted to reach through VPN.
I couldn't connect to the hos...
We have 3 identical switches configured by someone else and would like to claim some of the Gigabit ports(G1/G2/G3/G4) for use on servers. When we try to change the wiring and configuration, we run in to connectivity issues. Attached is a des...