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Re: [Rtg-yang-coord] issue :R03: assignment of interfaces to routing instances

Ladislav Lhotka <lhotka@nic.cz> Wed, 14 January 2015 16:07 UTC

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From: Ladislav Lhotka <lhotka@nic.cz>
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Subject: Re: [Rtg-yang-coord] issue :R03: assignment of interfaces to routing instances
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> On 14 Jan 2015, at 16:59, Xufeng Liu <xufeng.liu@ericsson.com> wrote:
> 
> 
> 
>> -----Original Message-----
>> From: Juergen Schoenwaelder [mailto:j.schoenwaelder@jacobs-university.de]
>> Sent: Wednesday, January 14, 2015 10:55 AM
>> To: Xufeng Liu
>> Cc: Ladislav Lhotka; rtg-yang-coord@ietf.org; Acee Lindem (acee)
>> Subject: Re: [Rtg-yang-coord] issue :R03: assignment of interfaces to routing
>> instances
>> 
>> On Wed, Jan 14, 2015 at 03:33:02PM +0000, Xufeng Liu wrote:
>>>>> 
>>> [Xufeng] Hi Lada, I acknowledge the difficulties here. However, is there a good
>> way to handle the following case?
>>> 	In routing-instance "RI-A", an interface named "IF-1" is already
>> configured.
>>> 	In routing-instance "RI-B", I'd like to configure an different interface
>> with the same name "IF-1".
>> 
>> In the RFC 7223 interface data model the interface name is used as a key and
>> hence you can't have two different interfaces with the same name.
>> 
>> /js
> 
> [Xufeng] This is the issue that we'd like to solve. We have such a use case.

Can you give us more details about this use case? Clearly IP adresses of interfaces belonging to different routing instances can be conflicting but I don’t understand why the interface names need to be the same.

Lada

>  
> 
>> 
>> --
>> Juergen Schoenwaelder           Jacobs University Bremen gGmbH
>> Phone: +49 421 200 3587         Campus Ring 1, 28759 Bremen, Germany
>> Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>

--
Ladislav Lhotka, CZ.NIC Labs
PGP Key ID: E74E8C0C

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