From: ccie2k4 (ccie2k4@gmail.com)
Date: Thu Aug 31 2006 - 18:33:47 ART
Hi Victor,
No I am not running Frame Relay.This is all ethernet broadcast and though
the doc does specify that it pertains to broadcast network type as well it
also says that the routers in question did not have the route in their
routing table. In my case I am seeing the route in the routing table and am
also able to get to the advertising router.
can you please explain the layout of the database. if you notice that under
area 0 it doesn't give that message however under the LSA's for Area 13 it
gives that message. Does that mean that the advertising router is not
reachable via Area 13.
thx
On 8/31/06, Victor Cappuccio <cvictor@protokolgroup.com> wrote:
>
> Is this your case?
>
> http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094051
> .shtml
>
> HTH
> Victor.-
>
>
> -----Mensaje original-----
> De: nobody@groupstudy.com [mailto:nobody@groupstudy.com] En nombre de
> ccie2k4
> Enviado el: Jueves, 31 de Agosto de 2006 01:14 p.m.
> Para: ccielab@groupstudy.com
> Asunto: Re: OSPF Database Explanation
>
> Hi Wayne,
>
> Yes that is confusing me as well. i see that it is saying that the
> advertising router is not reachable however I am able to get to the prefix
> as well as the advertising router. i am running 12.4 code.
>
> On 8/31/06, Wayne <ccie_lab@inetiq.com> wrote:
> >
> > Sorry, I missed the part about you being able to reach the box.
> >
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > ccie2k4
> > Sent: Thursday, August 31, 2006 1:10 AM
> > To: Cisco certification
> > Subject: OSPF Database Explanation
> >
> > Hi All,
> >
> > Could someone please help me in understanding what could be the reason
> > that
> > I am seeing "Adv Router is not-reachable" when I do a show ip ospf data
> > asbr-summ. the part that is confusing me is that even though it says
> > advertising router not reachable the prefix is in the routing table and
> > also
> > I can ping the advertising router. thx
> >
> > RTR-01#sh ip ospf data as
> >
> > OSPF Router with ID (192.168.1.1) (Process ID 100)
> >
> > Summary ASB Link States (Area 0)
> >
> > LS age: 1 (DoNotAge)
> > Options: (No TOS-capability, DC, Upward)
> > LS Type: Summary Links(AS Boundary Router)
> > Link State ID: 192.168.1.2 (AS Boundary Router address)
> > Advertising Router: 192.168.1.3
> > LS Seq Number: 80000001
> > Checksum: 0x5CC1
> > Length: 28
> > Network Mask: /0
> > TOS: 0 Metric: 1
> >
> >
> > Summary ASB Link States (Area 13)
> >
> > LS age: 954
> > Options: (No TOS-capability, DC, Upward)
> > LS Type: Summary Links(AS Boundary Router)
> > Link State ID: 192.168.1.2 (AS Boundary Router address)
> > Advertising Router: 192.168.1.1
> > LS Seq Number: 80000003
> > Checksum: 0x78A3
> > Length: 28
> > Network Mask: /0
> > TOS: 0 Metric: 3
> >
> > Adv Router is not-reachable
> > LS age: 898
> > Options: (No TOS-capability, DC, Upward)
> > LS Type: Summary Links(AS Boundary Router)
> > Link State ID: 192.168.1.2 (AS Boundary Router address)
> > Advertising Router: 192.168.1.3
> > LS Seq Number: 80000003
> > Checksum: 0x58C3
> > Length: 28
> > Network Mask: /0
> > TOS: 0 Metric: 1
> >
> > Adv Router is not-reachable
> > LS age: 863
> > Options: (No TOS-capability, DC, Upward)
> > LS Type: Summary Links(AS Boundary Router)
> > Link State ID: 192.168.1.2 (AS Boundary Router address)
> > Advertising Router: 192.168.1.100
> > LS Seq Number: 80000003
> > Checksum: 0xA6D1
> > Length: 28
> > Network Mask: /0
> > TOS: 0 Metric: 67
> >
> > _______________________________________________________________________
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>
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