From: perez claude-vincent (claude_vincent@xxxxxxxxx)
Date: Tue May 15 2001 - 05:17:15 GMT-3
Yes. the nssa asbr cannot be an abr otherwise there
will be no translation.
vincent
--- Lachlan Kidd <lkidd@netstarnetworks.com> wrote:
> Hi Wei,
> Not sure if Vincents suggestion helped but your
> problem is
> > LS age: 1771
> > Options: (No TOS-capability, No Type
> 7/5<-----This means that no
> translation will take place
> > translation, DC)
> The last time I tried this, the same thing happened.
> To fix it I removed the
> OSPF process from the ASBR, re-applied it and the
> Database entries had 'Type
> 7/5 translation' next to them. Everything started to
> work.
> I think this is related to the fact that a router in
> an NSSA cannot be an
> ABR and an ASBR. When you set up the underlying OSPF
> infrastructure, at some
> point the ASBR believes it is an ASBR and an ABR at
> the same time. Hence the
> LSA's get marked this way. Be removing the process
> and re-applying it the
> router gets it's view of the world re-established. I
> am running 12.0(7)T
> This is only from limited observation, so if anyone
> else out there has found
> otherwise, please let me know.
> Regards,
> Lachlan
>
> -----Original Message-----
> From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com]On Behalf Of
> perez claude-vincent
> Sent: Tuesday, 15 May 2001 5:27:PM
> To: Wei Man; lkidd@netstarnetworks.com;
> ccielab@groupstudy.com
> Subject: RE: NSSA and Virtual Link Again
>
>
> Wei,
>
> Please take these commands out of your ospf
> configuration on your R7:
>
> area 55 range 170.150.7.0 255.255.255.0
> area 55 range 170.150.78.0 255.255.255.0
>
> Vincent
>
>
> --- Wei Man <mandraw1@yahoo.com> wrote:
> > Here it is
> >
> >
> > R7#sh ip ospf database nssa
> >
> > OSPF Router with ID (217.1.7.1) (Process ID
> > 10)
> >
> >
> > Type-7 AS External Link States
> (Area
> > 55)
> >
> > LS age: 1771
> > Options: (No TOS-capability, No Type 7/5
> > translation, DC)
> > LS Type: AS External Link
> > Link State ID: 0.0.0.0 (External Network Number
> )
> > Advertising Router: 217.1.8.1
> > LS Seq Number: 80000001
> > Checksum: 0x1EAF
> > Length: 36
> > Network Mask: /0
> > Metric Type: 2 (Larger than any link state
> > path)
> > TOS: 0
> > Metric: 1
> > Forward Address: 0.0.0.0
> > External Route Tag: 0
> >
> > LS age: 869
> > Options: (No TOS-capability, No Type 7/5
> > translation, DC)
> > LS Type: AS External Link
> > Link State ID: 160.60.60.0 (External Network
> > Number
> > )
> > Advertising Router: 217.1.7.1
> > LS Seq Number: 80000005
> > Checksum: 0xD9F8
> > Length: 36
> > Network Mask: /22
> > Metric Type: 1 (Comparable directly to
> link
> > state metric)
> > TOS: 0
> > Metric: 20
> > Forward Address: 170.150.7.7
> > External Route Tag: 0
> >
> > R7#
> > Csc2511-R3#8
> > [Resuming connection 8 to Csc2620 ... ]
> >
> >
> >
> > R8>en
> > R8#sh ip ospf da
> > R8#sh ip ospf database nssa
> >
> > OSPF Router with ID (217.1.8.1) (Process ID
> > 10)
> >
> >
> > Type-7 AS External Link States
> (Area
> > 55)
> >
> > LS age: 1781
> > Options: (No TOS-capability, No Type 7/5
> > translation, DC)
> > LS Type: AS External Link
> > Link State ID: 0.0.0.0 (External Network Number
> )
> > Advertising Router: 217.1.8.1
> > LS Seq Number: 80000001
> > Checksum: 0x1EAF
> > Length: 36
> > Network Mask: /0
> > Metric Type: 2 (Larger than any link state
> > path)
> > TOS: 0
> > Metric: 1
> > Forward Address: 0.0.0.0
> > External Route Tag: 0
> >
> > Routing Bit Set on this LSA
> > LS age: 881
> > Options: (No TOS-capability, No Type 7/5
> > translation, DC)
> > LS Type: AS External Link
> > Link State ID: 160.60.60.0 (External Network
> > Number
> > )
> > Advertising Router: 217.1.7.1
> > LS Seq Number: 80000005
> > Checksum: 0xD9F8
> > Length: 36
> > Network Mask: /22
> > Metric Type: 1 (Comparable directly to
> link
> > state metric)
> > TOS: 0
> > Metric: 20
> > Forward Address: 170.150.7.7
> > External Route Tag: 0
> >
> > R8#
> >
> >
> >
> > --- Lachlan Kidd <lkidd@netstarnetworks.com>
> wrote:
> > > Hi Wei,
> > > Can you post a 'show ip ospf data nssa' from
> > r7/r8.
> > > It may help explain
> > > what is going on
> > > Regards,
> > > Lachlan
> > >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com
> > > [mailto:nobody@groupstudy.com]On Behalf Of
> > > Wei Man
> > > Sent: Tuesday, 15 May 2001 3:10:PM
> > > To: ccielab@groupstudy.com
> > > Subject: NSSA and Virtual Link Again
> > >
> > >
> > > Hi,
> > >
> > > I am running into problem that Type 7 LSA does
> not
> > > converted to Type 5 LSA, any idea how to fix
> this
> > ?
> > >
> > >
> > > here is diagram
> > >
> > > R5 (Area 0 with
> Authentication)
> > > |
> > > | Area 5
> > > |
> > > R7--------R8
> > > Link between R7 and R8 is in Area 55
>
=== message truncated ===
=====
Vincent
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