nssa translate type7 suppress-fa

From: Montiean (noktes@bellsouth.net)
Date: Sun Aug 21 2005 - 00:28:50 GMT-3


Hi,

  Someone please explains me about this command "nssa translate type7
suppress-fa". From cisco
http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cg/hirp_c/
ch15/hoadsup.htm

Per my understanding, forwarding addresses in type7 will be set to 0.0.0.0
into Type-5 LSAs. I lab it up but couldn't see any thing change rather than
under nssa ABR saying below

        Perform type-7/type-5 LSA translation, suppress forwarding address

I also found CSCec72160 in mainline 12.3 advise to take off area nssa command
and put it back in with "nssa translate type7 suppress" But it didn't work for
me.

My lab setup is r6 ----area0 ----- r4 ---- area147(nssa)
-------r1-----rip----- r2.

So I redistributed rip into r1 and use suppress-fa at r4. r6 still seeing all
the addresses advertised from rip.
I just want to understand why we use this command, cisco page does not
explains clearly for me or I miss understand some thing. I appreciate any
feedback on this question.

--Montiean



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