you used the word "core" router. Now, is this going to be in the Data Center or something?. As John pointed out, you need to first knw what your BW requirements are. and also what other services might be needed for eg: are you going to VPN's to connect to the remote sites, QoS etc, and so forth
Maybe we can suggest a bit more if you can provide some more information on your requirrements
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Choice depends on performance and feature requirements, and as Kishore mentioned, knowing more of your requirements are really necessary to offer any good recommendations. That said, for LAN usage, likely no ISR, or even the larger software routers, might be an ideal choice as their performance capacities are usually inadequate for LAN bandwidths.
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...