Presentation - Cisco Knowledge Network

• Incorrect Origin AS announcements- Source and announce prefix with incorrect origin AS- Source and announce a more specific prefix belonging tosomeone else• Incorrect Path announcements- Hijack a BGP path for a prefix by inserting local AS• Ends up hijacking someone else’s traffic by getting itrouted to/via you• Capture, sniff, redirect, manipulate traffic as you wish• Most often a configuration mistakeSource: NANOG 46: Tom Daly et al.© 2012 Cisco and/or its affiliates. All rights reserved. 42