From: Connary, Julie Ann (jconnary@xxxxxxxxx)
Date: Fri May 04 2001 - 08:10:26 GMT-3
Mas,
I just realized that the lab used 137.20.20.1 on r2 and 137.20.20.2 on the
defualt route - I used
137.20.20.2 on r2 and 137.20.20.3 as the next hop for the default route.
So that was my bad - but the question still applies - another person
suggested no icmp redirect.
Julie ann
At 06:55 PM 5/3/2001 -0700, you wrote:
>Julie Ann,
>
>I haven't done that lab yet, but after a quick glance, I'm a little
>confused trying to reconcile what Task One, step 1 says (great start,
>eh?), what Task One, step 4 says and the addressing you're using.
>
>But it sounds like the bottom-line is the solution specifies that the
>advertised next-hop is r2's own Ethernet and not the next-hop configured
>in r2's static route? Could it be a typo? Because it looks like the
>forwarding address is working as it should, so to force the solution it
>needs to be zeroed out...
>
>I found this on CCO: http://www.cisco.com/warp/customer/104/10.html
>
>What if you change the OSPF network type on r2's and r5's Ethernets to
>point-to-multipoint?
>
>Regards,
>
>Mas Kato
>
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
>Connary, Julie Ann
>Sent: Thursday, May 03, 2001 5:12 PM
>To: ccielab@groupstudy.com
>Subject: originating an ospf default route
>
>
>Hi,
>
>working a lab that has the following:
>
>
>r2------ethernet ---r5-----
>
>r2's e0 = 137.20.20.2
>r5's e0 = 137.20.20.10
>r2 has an ip route 0.0.0.0 0.0.0.0 137.20.20.3 (another router on the
>ethernet.)
>r2 has an ip ospf default information-originate always metric-type 1
>statement.
>
>r5 sees this default route as:
>
>O*E1 0.0.0.0/0 [110/21] via 137.20.20.3, 00:01:40, Ethernet0
>
>this is ccbootcamp lab 5. However - in the routing tables provided R5
>should
>see this as
>
>O*E1 0.0.0.0/0 [110/21] via 137.20.20.2, 00:02:40, Ethernet0
>
>If I look at the database I see:
>
>OSPF Router with ID (172.168.200.1) (Process ID 1)
>
>
> Type-5 AS External Link States
>
> Routing Bit Set on this LSA
> LS age: 143
> Options: (No TOS-capability, DC)
> LS Type: AS External Link
> Link State ID: 0.0.0.0 (External Network Number )
> Advertising Router: 200.200.200.1
> LS Seq Number: 80000006
> Checksum: 0x9C6E
> Length: 36
> Network Mask: /0
> Metric Type: 1 (Comparable directly to link state metric)
> TOS: 0
> Metric: 20
> Forward Address: 137.20.20.3
> External Route Tag: 1
>
>So my question is - how in the answers does the forwarding address
>become
>router 2 (137.20.20.2) and not 137.20.20.3?
>Is there a trick to this that I am missing? Or should OSPF when it
>originates a default route within the same area not change the
>forwarding address?
>
>Thanks,
>
>Julie Ann
>
>p.s. I also got the ospf-demand circuit to work in 5b by making sure
>that
>my ISDN interface was not being redistributed
>back into ospf from igrp and having LSA type 5's keep the circuit up.
>The
>lab says that ospf demand circuit does not
>work for this topology - but mine worked fine.
>
>------------------------------------------------------------------------
> Julie Ann Connary
> | | Network Consulting Engineer
> ||| ||| Federal Support Program
> .|||||. .|||||. 13635 Dulles Technology
>Drive,
>Herndon VA 20171
> .:|||||||||:.:|||||||||:. Pager: 1-888-642-0551
> c i s c o S y s t e m s Email: jconnary@cisco.com
>
>------------------------------------------------------------------------
>**Please read:http://www.groupstudy.com/list/posting.html
------------------------------------------------------------------------
Julie Ann Connary
| | Network Consulting Engineer
||| ||| Federal Support Program
.|||||. .|||||. 13635 Dulles Technology Drive,
Herndon VA 20171
.:|||||||||:.:|||||||||:. Pager: 1-888-642-0551
c i s c o S y s t e m s Email: jconnary@cisco.com
------------------------------------------------------------------------
**Please read:http://www.groupstudy.com/list/posting.html
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