Re: OSPF type 7

Sorry for the typo - as OIA from 10.1.1.26

On Sun, Jan 13, 2013 at 1:10 PM, Victor Cappuccio <vcappuccio_at_gmail.com>wrote:

> Hi,
>
> it seems to me that 192.168.20.0 is duplicated, as is being announced as
> OIA from 10.1.1.21 and that as N2 (assuming defaults) from 10.1.1.21
>
> can you share your configurations / toplogy?
>
> Thanks
>
>
>
>
> On Fri, Jan 11, 2013 at 3:59 AM, Tony Singh <mothafungla_at_gmail.com> wrote:
>
>> Hello
>>
>> I might be going insane here but doesn't the ABR import type 7 and export
>> type 5 LSA's
>>
>>
>> R21#sh ip ospf
>> Routing Process "ospf 1" with ID 10.1.1.21
>> Start time: 00:01:15.532, Time elapsed: 02:44:16.776
>> Supports only single TOS(TOS0) routes
>> Supports opaque LSA
>> Supports Link-local Signaling (LLS)
>> Supports area transit capability
>> Event-log enabled, Maximum number of events: 1000, Mode: cyclic
>> * It is an area border and autonomous system boundary router*
>> Redistributing External Routes from,
>> static, includes subnets in redistribution
>> Router is not originating router-LSAs with maximum metric
>> Initial SPF schedule delay 5000 msecs
>> Minimum hold time between two consecutive SPFs 10000 msecs
>> Maximum wait time between two consecutive SPFs 10000 msecs
>> Incremental-SPF disabled
>> Minimum LSA interval 5 secs
>> Minimum LSA arrival 1000 msecs
>> LSA group pacing timer 240 secs
>> Interface flood pacing timer 33 msecs
>> Retransmission pacing timer 66 msecs
>> Number of external LSA 0. Checksum Sum 0x000000
>> Number of opaque AS LSA 0. Checksum Sum 0x000000
>> Number of DCbitless external and opaque AS LSA 0
>> Number of DoNotAge external and opaque AS LSA 0
>> Number of areas in this router is 2. 1 normal 0 stub 1 nssa
>> Number of areas transit capable is 0
>> External flood list length 0
>> IETF NSF helper support enabled
>> Cisco NSF helper support enabled
>> Reference bandwidth unit is 100 mbps
>> Area BACKBONE(0)
>> Number of interfaces in this area is 2 (1 loopback)
>> Area has message digest authentication
>> SPF algorithm last executed 02:43:29.372 ago
>> SPF algorithm executed 5 times
>> Area ranges are
>> Number of LSA 14. Checksum Sum 0x07C289
>> Number of opaque link LSA 0. Checksum Sum 0x000000
>> Number of DCbitless LSA 0
>> Number of indication LSA 0
>> Number of DoNotAge LSA 0
>> Flood list length 0
>> Area 1
>> Number of interfaces in this area is 1
>> It is a NSSA area
>> * Perform type-7/type-5 LSA translation*
>> Area has message digest authentication
>> SPF algorithm last executed 00:28:56.984 ago
>> SPF algorithm executed 10 times
>> Area ranges are
>> 10.1.1.26/32 Passive DoNotAdvertise
>> 172.16.13.0/29 Active(64) Advertise
>> Area-filter 10 in
>> Number of LSA 8. Checksum Sum 0x0341D6
>> Number of opaque link LSA 0. Checksum Sum 0x000000
>> Number of DCbitless LSA 0
>> Number of indication LSA 0
>> Number of DoNotAge LSA 0
>> Flood list length 0
>>
>>
>> ok it shows type 7/5 conversion in area 1
>>
>>
>>
>> R21#show ip ospf database
>>
>> (output removed)
>>
>> Type-7 AS External Link States (Area 1)
>>
>> Link ID ADV Router Age Seq# Checksum Tag
>> 192.168.20.0 10.1.1.26 145 0x80000001 0x00B695 0
>>
>>
>>
>> so it generates into area 0 a type 3 summary
>>
>>
>> Summary Net Link States (Area 0)
>>
>> Link ID ADV Router Age Seq# Checksum
>> 192.168.20.0 10.1.1.21 1456 0x80000005 0x009A3E
>>
>>
>> is it not meant to generate a type 5?
>>
>> im missing some fundamental here
>>
>>
>> :/
>>
>>
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>
>
> --
> Victor Cappuccio
> CCIE R/S# 20657
> CCSI# 31452
>
> www.anetworkerblog.com
> www.linkedin.com/in/vcappuccio
>
>
>
>

-- 
Victor Cappuccio
CCIE R/S# 20657
CCSI# 31452
www.anetworkerblog.com
www.linkedin.com/in/vcappuccio
Blogs and organic groups at http://www.ccie.net