Re: distance command under ospf

And the exact opposite will work ie 0.0.0.0 255.255.255.255. The RID
option gives the control of per neighbor per route AD control.

Sent from handheld.

On May 17, 2009, at 9:09 PM, "Chris Breece" <cbreece1_at_gmail.com> wrote:

> Awesome, I will lab it up tomorrow.
>
> On Sun, May 17, 2009 at 9:04 PM, Joe Astorino
> <jastorino_at_ipexpert.com>wrote:
>
>> That will work, sure. Treat it like you would any mask but I would do
>> 0.0.0.0 out of preference
>>
>> Regards,
>>
>> Joe Astorino
>> CCIE #24347 (R&S)
>> Sr. Support Engineer  IPexpert, Inc.
>> URL: http://www.IPexpert.com <http://www.ipexpert.com/>
>>
>> ------------------------------
>> *From*: Chris Breece
>> *Date*: Sun, 17 May 2009 21:03:13 -0400
>> *To*: <jastorino_at_ipexpert.com>
>> *Subject*: Re: distance command under ospf
>>
>> Hey Joe,
>>
>> Sure didn't. I thought about doing that, but the context sesitive
>> help
>> implied "source of the route" and asked for a wildcard mask. I can't
>> remember exactly what it said, I'm not in front of the console at the
>> moment. But if the router ID is required.... this is probably what
>> was
>> messing me up!
>>
>> If it needs a router ID what do I put for the wildcard mask?
>> 0.0.0.0 ?
>>
>> Chris
>>
>>
>>
>> On Sun, May 17, 2009 at 8:54 PM, Joe Astorino
> <jastorino_at_ipexpert.com>wrote:
>>
>>> Hey Chris, remember that with OSPF and distance you have to
>>> specify the
>>> RID of the advertising router, not necessarily the ip address. Did
>>> you do
>>> that?
>>>
>>>
>>> Regards,
>>>
>>> Joe Astorino
>>> CCIE #24347 (R&S)
>>> Sr. Support Engineer  IPexpert, Inc.
>>> URL: http://www.IPexpert.com <http://www.ipexpert.com/>
>>>
>>>
>>> -----Original Message-----
>>> From: Chris Breece <cbreece1_at_gmail.com>
>>>
>>> Date: Sun, 17 May 2009 18:56:25
>>> To: Cisco certification<ccielab_at_groupstudy.com>
>>> Subject: distance command under ospf
>>>
>>>
>>> Guys,
>>>
>>> I was working on a scenario today and got some results I wasn't
>>> expecting.
>>> I
>>> didn't save my exact configs, but I put together the basics of how
>>> it was
>>> setup below. If there are any typos, sorry, I did it in notepad.
>>>
>>>
>>> R1
>>> router ospf 1
>>> network 10.10.10.1 0.0.0.0 area 0
>>> redis connected route-map redis-connected metric 10 metric-type 1
>>> subnets
>>> !
>>> interface fa0/0
>>> ip address 10.10.10.1 255.255.255.0
>>> !
>>> interface fa0/1
>>> ip address 192.168.0.1 255.255.255.0
>>> !
>>> route-map redis-connected permit 10
>>> match interface fa0/1
>>>
>>>
>>> R2
>>> router ospf 1
>>> network 10.10.10.2 0.0.0.0 area 0
>>> distance 180 10.10.10.0 0.0.0.255 external-routes
>>> !
>>> int fa0/0
>>> ip address 10.10.10.2 255.255.255.0
>>> !
>>> ip access-list standard external-routes
>>> permit 192.168.0.0 0.0.0.255
>>>
>>>
>>> The scenario was that I wanted any routes learned by R2 from R1
>>> that were
>>> "external" to have an AD of 180. The two routers are connected via
>>> their
>>> Fa0/0 interfaces. R1's Fa0/1 has the subnet that will be brought
>>> into OSPF
>>> as an external... and I was attempting to match this route via the
>>> access-list attached to the distance command under the OSPF
>>> process on R2.
>>>
>>> After I set this up, I looked at R2's routing table and R2 had
>>> learned it
>>> via OSPF with an AD of 110. If I changed the 192.168.0.0/24 subnet
>>> to be
>>> apart of Area 0, rather than an external it changed the AD to 180.
>>>
>>> Also, when I used "distance ospf external 180" this worked fine.
>>> However,
>>> it
>>> messed up some other requirements in the scenario, so I couldn't
>>> use it.
>>>
>>>
>>> Is this behavior normal? Does the "distance" command not work with
>>> externals? Or is it that I was probably just doing something wrong
>>> elsewhere?
>>>
>>> Chris
>>>
>>>
>>> Blogs and organic groups at http://www.ccie.net
>>>
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Received on Sun May 17 2009 - 21:18:15 ART