What is ISR or NonISR router? Difference between ISR or
NonISR router?

Answer Posted / nunyo beeznes

ISR=Integrated Services Router

This has a bit of a fuzzy definition from Cisco and has morphed with the ISR2 devices.

The simple answer is that an ISR devices does more than routing. An ISR will allow you to terminate a VPN session, bridge multiple transport technologies (SONET, 802.11x, voice, etc.), and are usually modular giving you a chassis that can accept hardware modules for different technologies.

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