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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Kenyan Route Hijack
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - -- "Bill Stewart" <[email protected]> wrote: >I've seen two popular reasons for doing it accidentally >- Fat fingers when configuring IP addresses by hand >- Using old routing protocols such as IGRP or RIP and autosummarizing >routes, > usually done by a customer of an ISP that doesn't bother filtering > carefully. > This doesn't give you a /24 address by accident, > but it lets you take two /24 subnets of a Class B or Class A > and turn them into an advertisement for the whole network. Also: I have seen instances where a static route points to a next hop that (inadvertently) may be "redistribute-static" injected into BGP. This happens occasionally due to ad hoc configurations, back- hole null routing, etc. - - ferg -----BEGIN PGP SIGNATURE----- Version: PGP Desktop 9.6.3 (Build 3017) wj8DBQFH3LBoq1pz9mNUZTMRAm8qAJwLWej/LjWQo8svLbgmOhe3kOOMCwCg7XZ/ V8/XCEkVEu0h2MAndAIpZ5g= =jQfu -----END PGP SIGNATURE----- -- "Fergie", a.k.a. Paul Ferguson Engineering Architecture for the Internet fergdawg(at)netzero.net ferg's tech blog: http://fergdawg.blogspot.com/
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