# Hitchhiker's Guide to the Internet

## Part 3

Book page: https://www.cyberlibrary.org/en/books/hitchhiker-s-guide-to-the-internet-39/index.md

When a router (or group of routers working in consort) accept routing information from mul- tiple external networks, but do not pass on information learned from one external network to any others. This is an attempt to prevent bogus routes to a network from being propagated because of gossip or counting to infinity.

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End of Project Gutenberg's Hitchhiker's Guide to the Internet, by Ed Krol