But that is not the case here?

Atle

On Tue, Aug 16, 2011 at 7:54 PM, marc abel <[email protected]> wrote:

> Key 0 will show up if you have specified MD5 authentication, but not
> actually configured a valid MD5 password. This can lead you to think
> you are authenticating, but likely getting 0 points.
>
> On Tue, Aug 16, 2011 at 11:36 AM, Atle Ørn Hardarson
> <[email protected]> wrote:
> > Hi guys
> >
> > Regarding Lab 3 in Workbook II:
> >
> > Task 3.2 states: "Configure MD5 authentication for the link between R7
> and
> > R8 with password cisco".
> >
> > The Solution Guide provides the correct solution, but has an additional
> > comment which I do not understand -
> >
> > "Verify with show ip ospf interface. Look carefully at the last few
> lines.
> > Key ID is 0, which is a null key".
> >
> > --------------------------------------------------------------------
> > R8# show ip ospf int
> > Serial0/0/0 is up, line protocol is up
> >  Internet address 110.99.78.8/24, Area 100
> > Process ID 1, Router ID 110.99.8.8, Network Type POINT_TO_POINT, Cost: 64
> > Enabled by interface config, including secondary ip addresses
> > Transmit Delay is 1 sec, State POINT_TO_POINT,
> > Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
> >  oob-resync timeout 40
> >  Hello due in 00:00:02
> > Supports link-local signalling (LLS)
> > Index 1/1, flood queue length 0
> > Next 0x0(0) / 0x0(0)
> > Last flood scan length is 1, maximum is 1
> > Last flood scan time is 0 msec, maximum is 0 msec
> > Neighbor Count is 1, Adjacent neighbor count is 1
> >  Adjacent with neighbor 110.99.7.7
> > Suppress hello for 0 neighbor(s)
> > Message digest authentication enabled
> >  Youngest key id is 1
> > R8#
> > R8#
> > --------------------------------------------------------------------
> >
> > The Key ID in the output is 1, in fact, it is not possible to configure a
> > key ID of 0 with MD5 authentication:
> >
> > R7(config-if)#ip ospf message-digest-key ?
> >  <1-255>  Key ID
> >
> > So what is the solution guide referring to here? Is it a typo, or is my
> puny
> > brain missing something? What is a "null key" in this scenario?
> >
> > One more thing - the "Initial Config" of R9 is really the "Final Config".
> It
> > has the MLPPP with multicast routing and everything. Can you please
> correct
> > this, and update the downloadable fileset to include the correct Initial
> > Config for R9. Thanks...
> >
> > Atle Hardarson
> > _______________________________________________
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> >
>
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