RES: OSPF NSSA default routes - again

From: Henrique Issamu Terada (henrique.terada@xxxxxxxxxx)
Date: Thu Apr 26 2001 - 13:32:08 GMT-3


   
I don't know exactly which type of LSA the command
default-information-originate always metric 1 generate.
I think it is LSA type 5 , not 7 , which does not come into an NSSA area ,
but I'm not 100 % sure , .
Could anyone confirm this ?

Henrique Issamu Terada
Technical Support Analyst
Cisco CCNP R/S Certified
CPM Comunicacoes S/A
Tel: +55-11-4196-0710
Fax: +55-11-4196-0900
E-mail :henrique.terada@cpm.com.br
http://www.cpm.com.br

> ----- Mensagem original -----
> De: Merrill, James D. (AIT) [SMTP:jm8752@sbc.com]
> Enviada em: quinta-feira, 26 de abril de 2001 13:17
> Para: Henrique Issamu Terada; mcaplan.cs@clearstream.com;
> clingamgunta@energis.co.uk
> Cc: ccielab@groupstudy.com
> Assunto: RE: OSPF NSSA default routes - again
>
> How about:
> R7
> IP route 0.0.0.0 0.0.0.0 loopback 0
> Router ospf 100
> default-information-originate always metric 1
>
>
> R5
> Router ospf 100
> Area 7 nssa default-information-originate
>
> James D. Merrill
> Systems Engineer
> SBC DataComm
>
>
> -----Original Message-----
> From: Henrique Issamu Terada
> [mailto:henrique.terada@cpm.com.br]
> Sent: Thursday, April 26, 2001 9:02 AM
> To: mcaplan.cs@clearstream.com;
> clingamgunta@energis.co.uk
> Cc: ccielab@groupstudy.com
> Subject: RES: OSPF NSSA default routes - again
>
> Hi Mark
>
> This id what I got from Cisco CD :
> default-information-
> originate
> (Optional) Used to generate a Type 7 default into the NSSA
> area. This
> argument only takes effect on NSSA ABR.
>
>
>
> http://127.0.0.1:8080/cc/td/doc/product/softwaj=re/ios120/12cgcr/np1_r/1rp
> rt
> 1/1rospf.htm#xtocid173833
>
>
> Henrique Issamu Terada
> Technical Support Analyst
> Cisco CCNP R/S Certified
> CPM Comunicagues S/A
> Tel: +55-11-4196-0710
> Fax: +55-11-4196-0900
> E-mail :henrique.terada@cpm.com.br
> Call Dispach: 0800-117239
>
>
>
> > ----- Mensagem original -----
> > De: mcaplan.cs@clearstream.com
> [SMTP:mcaplan.cs@clearstream.com]
> > Enviada em: quinta-feira, 26 de abril de 2001
> 09:32
> > Para: mcaplan.cs@clearstream.com;
> clingamgunta@energis.co.uk
> > Cc: ccielab@groupstudy.com
> > Assunto: RE: OSPF NSSA default routes - again
> >
> > Chandra,
> >
> > I have done that - its in the configs. The N2 route still
> doesn't get
> > distributed throughout the NSSA.
> >
> > Cheers
> > Mark
> >
> > > ----------
> > > From:
> clingamgunta@energis.co.uk[SMTP:clingamgunta@energis.co.uk]
> > > Sent: Donnerstag, 26. April 2001 13:25
> > > To: mcaplan.cs@clearstream.com
> > > Cc: ccielab@groupstudy.com
> > > Subject: Re: OSPF NSSA default routes - again
> > >
> > >
> > >
> > > My understanding is in OSPF if you want ot insert a
> default route, you
> > > will have
> > > to use default-information-originate, there is no other
> way to inset a
> > > default
> > > route in to OSPF domain.
> > > Regards
> > > Chandra
> > >
> > >
> > >
> > >
> > > mcaplan.cs@clearstream.com on 26/04/2001 12:09:06
> > >
> > > Please respond to mcaplan.cs@clearstream.com
> > >
> > > To: ccielab@groupstudy.com
> > > cc: (bcc: Chandra Lingamgunta)
> > >
> > > Subject: OSPF NSSA default routes - again
> > >
> > >
> > >
> > > Hi,
> > >
> > > I've searched the archives and seen a fair bit written
> about NSSA
> > default
> > > routes but I cant find an answer to my question. I have
> the following
> > set
> > > up
> > >
> > > R1--area0----R5-----area7------R7
> > >
> > > area 7 is configd as NSSA.
> > >
> > > I have a loop back interface configd on R7 where I point
> a static
> > default
> > > route. Config as follows
> > >
> > > R7
> > >
> > > router ospf 100
> > > redistribute static subnets
> > > network 10.1.7.7 0.0.0.0 area 7
> > > default-information originate always
> > > area 7 nssa default-information-originate
> > >
> > > ip route 0.0.0.0 0.0.0.0 Loopback1
> > >
> > > R5
> > >
> > > router ospf 100
> > > area 7 nssa
> > > redistribute connected subnets
> > > network 10.1.7.5 0.0.0.0 area 7
> > > network 10.5.0.5 0.0.0.0 area 0
> > > network 10.7.0.54 0.0.0.0 area 4
> > > network 10.9.5.5 0.0.0.0 area 0
> > >
> > >
> > > Now try as I might, R5 does not pick up the default
> route.
> > >
> > > My understanding is this. R7 should be advertising an N2
> default route.
> > R5
> > > should pick this up, insert the N2 default route into
> its routing table
> > > and
> > > then advertise the default route as an E2 route. It just
> doesn't work.
> > It
> > > works the other way around when I put the "area 7 nssa
> > > default-information-originate" on R5 as the ABR - this
> is similar to the
> > > example given in Doyle pg 544. But why cant a non ABR in
> a NSSA
> > advertise
> > > the default route.
> > >
> > >
> > > I checked the ospf database on R5 and R7 for N2 0.0.0.0
> but it isn't
> > > there.
> > >
> > > I have seen notes in this group on ospf bugs in 12.0 ios
> and the need to
> > > reboot sometimes. I have tried rebooting but it doesn't
> fix it. I am
> > > running
> > > 12.0(16) on R5 and 11.2(26) on R7.
> > >
> > > Any help would be appreciated
> > >
> > > Cheers
> > >
> > > Mark
> > >
> > >
> > >
> > >
> > > Visit us at http://www.clearstream.com
> > > Check out current job vacancies at
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