Re: [Babel-users] Parasitic mode

2012-02-14 Thread Dave Taht 
On Tue, Feb 14, 2012 at 2:35 PM, Juliusz Chroboczek j...@pps.jussieu.fr wrote:
 Does anyone use -P?  I'm half tempted to remove it in a future release,
 since filtering is both more flexible and more intuitive.

I don't, but that begs a filtering question. Is there a right way
to not announce ipv4 routes through a natted interface, but
announce ipv6?


 -- Juliusz

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[Babel-users] Filtering IPv4 [was: Parasitic mode]

2012-02-14 Thread Juliusz Chroboczek 
 Is there a right way to not announce ipv4 routes through a natted
 interface, but announce ipv6?

In standalone Babel (untested):

  out if eth42 ip 0.0.0.0/0 deny

(The part between out and deny is a list of keyword/value pairs, so
it should be read as when if=eth42 and ip is in 0.0.0.0/0.)

In Quagga (untested):

  access-list no-ipv4 deny any

  router babel
distribute-list no-ipv4 out eth42

-- Juliusz




  

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