From: Pavel Bykov (slidersv@gmail.com)
Date: Tue Jan 06 2009 - 23:16:13 ARST
Right... now I haven't finished reading before replying. sorry. I *assumed*
he didn't want to use that command on any of the routers, not just specific
to A0.
Sergei? How about it?
On Wed, Jan 7, 2009 at 1:54 AM, Piotr <usaccie@gmail.com> wrote:
> "R1
> int lo0
>
> ip address 1.1.1.1 255.255.255.0
>
> access-list 1 deny 1.1.1.0
> access-list per any
>
> route-map REDIST_LO0 per 10
> match inter lo0
>
> router ospf 1
> redistribute connected subnets route-map REDIST_LO0
> distribute-list 1 out
>
> "
>
> I don't understand why that would not work.
>
> The way I read it is that he does not want to advertise 1.1.1.x to any
> other routers. He does not want to to filter on the ABR and also he does not
> want to filter on any of the 20 routers in area 0.
>
> This should work because it's an ASBR (redistribute connected) and in this
> situation OSPF will accept "distribute-list* out*" because it's an ASBR.
> It's a type 5 LSA and will be filtered from R1's OSPF database on R1. So
> none of the other routers will see the route in their routing table or
> database.
>
>
>
> On Tue, Jan 6, 2009 at 6:31 PM, Pavel Bykov <slidersv@gmail.com> wrote:
>
>> Piotr, that he does not wants to do (he needs to do it on more routers).
>> I have also misread the post the first time.
>>
>> Ok, Sergei, here are the options in my opinion:
>>
>> 1. Redistribute connected, effectively making router an ASBR. Then use
>> "summary-address not-advertise" option
>> i.e.*
>> router ospf 1
>> redistribute connected subnets
>> summary-address 1.1.1.0 255.255.255.0 not-advertise
>> *
>>
>> 2. Redistribute connected using E1 metric, set the metric to nearly
>> maximum value. i.e.
>> (out of my head, not for copy-pasting of course)
>>
>> route-map TRICK
>> match interface lo0
>> set type E1
>> set metric to about maximum -5
>>
>> router ospf 1
>> redistribute connected subnets
>>
>>
>>
>>
>> On Wed, Jan 7, 2009 at 12:21 AM, Piotr <usaccie@gmail.com> wrote:
>>
>>> My bad. I misread your email.
>>>
>>> You an redistribute the loopback on R1.
>>> Then use a distribute-list out.
>>>
>>> int lo0
>>> ip address 1.1.1.1 255.255.255.0
>>>
>>> access-list 1 deny 1.1.1.0
>>> access-list per any
>>>
>>> route-map REDIST_LO0 per 10
>>> match inter lo0
>>>
>>> router ospf 1
>>> redistribute connected subnets route-map REDIST_LO0
>>> distribute-list 1 out
>>>
>>>
>>> On Tue, Jan 6, 2009 at 6:16 PM, Piotr <usaccie@gmail.com> wrote:
>>>
>>> > Try this
>>> >
>>> > On R2
>>> >
>>> > ip prefix-list FILTERLSA3 seq 5 deny 111.111.111.0/24
>>> > ip prefix-list FILTERLSA3 seq 10 permit 0.0.0.0/0 le 32
>>> > router ospf 1
>>> > area 1 range filter-list FILTERLSA3 in
>>> >
>>> >
>>> > On Tue, Jan 6, 2009 at 7:34 AM, Sergei Udovenko <udovenko@gmail.com
>>> >wrote:
>>> >
>>> >> Hello to all CCIE candidates!
>>> >> I've the following topology:
>>> >>
>>> >> lo:1.1.1.x->R1---R2----R3
>>> >>
>>> >> R1 - area 1
>>> >> R2 - ABR
>>> >> R3 - area 0
>>> >>
>>> >> The issue that I want that 1.1.1.x will not be advertised to the
>>> R2(ABR)
>>> >> and
>>> >> all other routers int area 0. So the problem here is that I want to
>>> find
>>> >> workaround to filter route in intra- area and not on ABR with area 1
>>> range
>>> >> 1.1.1.0 255.255.255.0 not-advertise command. Also because there are
>>> about
>>> >> 20
>>> >> routers in area 0 that shouldn't receive 1.1.1.x and I don't want to
>>> >> use distribute-list
>>> >> x in on each router in area 0 to filter the local routing table on
>>> each
>>> >> router.
>>> >>
>>> >>
>>> >> May be some of you have any suggestion how to get this workaround?
>>> >>
>>> >> --------------------
>>> >> Best regards,
>>> >> Sergei
>>> >>
>>> >>
>>> >> Blogs and organic groups at http://www.ccie.net
>>> >>
>>> >>
>>> _______________________________________________________________________
>>> >> Subscription information may be found at:
>>> >> http://www.groupstudy.com/list/CCIELab.html
>>>
>>>
>>> Blogs and organic groups at http://www.ccie.net
>>>
>>> _______________________________________________________________________
>>> Subscription information may be found at:
>>> http://www.groupstudy.com/list/CCIELab.html
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>> --
>> Pavel Bykov
>> ----------------
>> Don't forget to help stopping the braindumps, use of which reduces value
>> of your certifications. Sign the petition at
>> http://www.stopbraindumps.com/
>>
>
>
-- Pavel Bykov ---------------- Don't forget to help stopping the braindumps, use of which reduces value of your certifications. Sign the petition at http://www.stopbraindumps.com/Blogs and organic groups at http://www.ccie.net
This archive was generated by hypermail 2.1.4 : Sun Mar 01 2009 - 09:43:36 ARST