2000::/6

Nick Hilliard nick at foobar.org
Sun Sep 14 21:34:59 UTC 2014


On 14/09/2014 22:19, Jimmy Hess wrote:
> Any decent router won't allow you to enter just anything in that range
> into the export rules  with a /6,  except 2000::  itself

tarko is right in suggesting that config typos can cause this sort of
thing, e.g.

--
router bgp 65555
address-family ipv6
 redistribute static

ipv6 route 2001:418:3ef:1000::/6 2001:db8::1
--

Bear in mind that the "network" statement in the router bgp stanza on cisco
routers is only one of several methods of injecting prefixes into a bgp
rib, and is a method that many people routinely avoid because it means
duplication of configuration: each network statement requires a grounding
"ip{v6} route" statement in order to work stably.  So why not combine the two?

Nick



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