[c-nsp] OSPF inside VRF - Cisco Juniper Interoperability

[Junaid]

This seems to be the exact problem. Although I was unable to find my
IOS listed in affected IOS list - maybe the list was not exhaustive.
Thank you Oliver.


Regards,
Junaid.

On Wed, Aug 27, 2008 at 3:39 PM, Oliver Boehmer (oboehmer)
<oboehmer at cisco.com> wrote:
> Junaid <> wrote on Wednesday, August 27, 2008 11:12 AM:
>
>> Hi,
>>
>> I am caught up in what seems to be a Juniper Cisco interoperability
>> issue. I am running OSPF with customer inside VRF. Topology is
>> something like the following:
>>
>> CE1 ---[Area 0]--- PE1 ---- P1 --- P2 --- PE2 ---[Area 6]--- CE2
>>
>> The two P routers are acting as route reflectors.
>>
>> CE1, CE2 and PE1 are Cisco devices while rest are Juniper M-series
>> routers. The problem I am facing is that CE1 routes received at CE2
>> are Inter-area which is what is required (no redistribution into OSPF
>> is done on CE1 and CE2). However, CE2 routes received by CE1 are Type
>> 5 (E1). The documentation states that inorder to preserve the route
>> types, domain IDs should be same on both PE routers. I have set domain
>> ID to be 1.1.1.1:512, this was done on cisco via the command:
>> "domain-id type 0105 value 010101010200" and on juniper as: "domain-id
>> 1.1.1.1:512" in the OSPF configuration inside the VRF. Also on Juniper
>> the domain-id was added into the ospf routes when redistributing them
>> into MBGP.
>>
>> The problem seems to be with the Cisco PE1 router that can't seem to
>> interpret the route-type attribute generated by Juniper (seen in the
>> output as 0x306:0:393472):
> [...]
>
>> Any idea what is causing this behavior? Any solution? Will appreciate
>> any help.
>
> which release are you using on he PE1? You might be hitting CSCsg42488
> (Juniper - Cisco PE incorrect extended community for OSPF).
>
>        oli
>