How to configure null routing on cisco routers?


This article is all about how to configure null routing on Cisco routers in Cisco packet tracer. In other words, null o routing is also known as black hole routing configuration over the Cisco routers. In computer networking, a null route or black hole route is a network route that goes nowhere. Matching packets are dropped (ignored) rather than forwarded, acting as a kind of very limited firewall. Null routing is acting as

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