[j-nsp] Missing OSPF routes in ABR

[Ihsan Junaidi Ibrahim]

Thanks Alex,

It works fine now although the provider is using Cisco hardware.

Alex wrote:
> Ihsan,
> You may wish to contact Your provider P to explicitly configure 
> non-matching domain-ids on P1 and P2 (if P1 and P2 are Juniper routers) 
> in order to have the R5 routes advertised as Type-5 LSA to R4:
> http://www.juniper.net/techpubs/software/junos/junos80/swconfig80-routing/html/instance-config24.html#1051716 
> 
> AFAIK, Cisco routers assign the ospf process number as domain-id.
> HTH
> Cheers
> Alex
> 
> ----- Original Message ----- From: "Ihsan Junaidi Ibrahim" 
> <ihsan.junaidi at gmail.com>
> To: <juniper-nsp at puck.nether.net>
> Sent: Sunday, November 05, 2006 7:31 PM
> Subject: [j-nsp] Missing OSPF routes in ABR
> 
> 
>> Hi all,
>>
>> For the lack of better title, I'm not quite sure how best to title the
>> problem. The situation goes like this:
>>
>>  R2----R3
>>  |      |
>>  |      |
>> R1 R4----P1----P2----R5
>>
>> It's a CoC arrangement with provider P. R1, R4 and R5 are located in
>> OSPF area 1500, R2 and R3 are ABRs (0 & 1500). P1 and P2 are P's CoC
>> PEs. R4 and R5 are the CoC CEs.
>>
>> Connectivity from R4 to R5 has been successfully established. They can
>> see each other loopbacks. Ping works. R1, R2 and R3 connectivities to R4
>> are also good. R1 and R4 can see R5's loopback but R2 and R3 can't. So
>> traffic from R1 to R5 is blackholed at R2.
>>
>> 10.254.250.30 is R5 loopback. If R5 loopback NLRI is not established at
>> R2 and R3, then how did R1 managed to do that?
>>
>> I'm not sure if it's related but I find it interesting that at R4, R5
>> loopback is received as summary LSA not as router LSA.
>>
>> The following are the diagnostics that I've run.
>>
>> From R1
>> ---
>> ihsan at R1> show route 10.254.250.30 table inet.0 terse
>>
>> inet.0: 204564 destinations, 408396 routes (204559 active, 0 holddown, 5
>> hidden)
>> + = Active Route, - = Last Active, * = Both
>>
>> A Destination        P Prf   Metric 1   Metric 2  Next hop       AS path
>> * 10.254.250.30/32   O  10         52            >211.24.210.129
>>
>> R2
>> ---
>> ihsan at R2> show route 10.254.250.30 table inet.0 terse
>>
>> inet.0: 204621 destinations, 409809 routes (204572 active, 0 holddown,
>> 148 hidden)
>> + = Active Route, - = Last Active, * = Bo
>>
>> A Destination        P Prf   Metric 1   Metric 2  Next hop       AS path
>> * 0.0.0.0/0          O 150          0            >211.24.210.1
>>
>> R3
>> ---
>> ihsan at R3> show route 10.254.250.30 table inet.0 terse
>>
>> inet.0: 204630 destinations, 410225 routes (204580 active, 0 holddown,
>> 146 hidden)
>> + = Active Route, - = Last Active, * = Both
>>
>> A Destination        P Prf   Metric 1   Metric 2  Next hop       AS path
>> * 0.0.0.0/0          O 150          0            >211.24.210.9
>>
>> R4
>> ---
>> ihsan at R4> show route 10.254.250.30 terse
>>
>> inet.0: 204573 destinations, 408456 routes (204547 active, 0 holddown,
>> 51 hidden)
>> + = Active Route, - = Last Active, * = Both
>>
>> A Destination        P Prf   Metric 1   Metric 2  Next hop       AS path
>> * 10.254.250.30/32   O  10         49            >e1-0/2/0.0
>>
>> inet.3: 8 destinations, 8 routes (8 active, 0 holddown, 0 hidden)
>> + = Active Route, - = Last Active, * = Both
>>
>> A Destination        P Prf   Metric 1   Metric 2  Next hop       AS path
>> * 10.254.250.30/32   L   9          1            >e1-0/2/0.0
>>
>> ihsan at R4> ping 10.254.250.30 rapid count 5
>> PING 10.254.250.30 (10.254.250.30): 56 data bytes
>> !!!!!
>> --- 10.254.250.30 ping statistics ---
>> 5 packets transmitted, 5 packets received, 0% packet loss
>> round-trip min/avg/max/stddev = 19.494/19.542/19.626/0.058 ms
>>
>> hsan at GLSFB3_MBONE> show ospf database area 0.0.5.220 advertising-router
>> 58.139.71.5
>>
>>     OSPF link state database, area 0.0.5.220
>>  Type       ID               Adv Rtr           Seq      Age  Opt  Cksum
>>  Len
>> Router   58.139.71.5     58.139.71.5   0x800000bf  1390  0x22 0x5b4e  48
>> Summary  10.254.250.30   58.139.71.5   0x8000006a   381  0xa2 0x53ca  28
>> Summary  58.139.71.12    58.139.71.5   0x80000092   878  0xa2 0x55ac  28
>>
>> OSPF database R2
>> ---
>> ihsan at R2> show ospf database area 0.0.5.220 | match 10.254.250.30
>> Summary  10.254.250.30   58.139.71.5    0x8000006a   45  0xa2 0x53ca  28
>>
>> R3
>> ---
>> ihsan at R3> show ospf database area 0.0.5.220 | match 10.254.250.30
>> Summary  10.254.250.30  58.139.71.5    0x8000006a   108  0xa2 0x53ca  28
>>
>> Any suggestions would be much appreciated.
>>
>> Thank you for your time,
>> Ihsan Junaidi Ibrahim
>> _______________________________________________
>> juniper-nsp mailing list juniper-nsp at puck.nether.net
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> 
>