[j-nsp] L2 VPN question

[Kisito Nguene Ndoum]

Hi Laura,

You might need to consider using the flexible frame-relay encapsulation (flexible-frame-relay).
This requires IQ interfaces and JUNOS 6.2 or higher.

Please read more information here :
http://www.juniper.net/techpubs/software/junos/junos62/rn-sw-62/rn-new-features.html#rn-pic-table

Thanks,
- Kisito

At 12:59 PM 8/5/2004, Laura Serrano wrote:

>Hi Martin, 
>
>this is Laura, from rediris. As Miguel Angel tells you, we want to use the same 
>link between CE and PE router for the IP and l2 circuit traffic. 
>
>Please, correct me if I am wrong. 
>
>For definition, we need to configure an CCC circuit between CE and PE router, 
>don't we?. Well, we are currently defining a test VPN scenario in our production 
>network without affecting to the IP traffic, that is: to use the same SONET link 
>(PE-CE) to IP and l2circuit traffic. 
>
>I am trying to configure different units under the same physical interface, but 
>we have a problem: 
>
>At the physical level we can configure framerelay-ccc, ciscohdlc-ccc and 
>ppp-ccc, but if you choose any of *.ccc encapsulations at this level, you can't 
>configure family inet in the logical unit interface. 
>
>Another possibility, I thought about, is to configure "frame-relay" at the 
>physical level and define two different logical unit, one for IP traffic and 
>frame-relay encapsulation and other for l2circuit with frame-relay-ccc 
>encapsulation, but it is impossible too :-/ 
>
>Any comment, any idea, any options? Thanks in advanced 
>
>Regards! 
>
>-- Laura 
>
>
>Martin Mogensen wrote: 
>> Miguel Angel Sotos wrote: 
>> 
>>> Hi all,     we are configuring some L2VPN stuff in Juniper routers. 
>>> 
>>> There's a POS interface between PE end CE. 
>>> Can we use (we are using Martini) in the same POS interface, *-ccc 
>>> encapsulation and other type of encapsulations that permits 
>>> familiy inet ?? 
>>> In that case, which one? 
>>> 
>>> Or, have I to use the whole interface for ccc based VPNs?? 
>>> (and not IP traffic)?? 
>>> 
>>> At the end, what i want to do is to use 
>>> at the same time L2 circuits and L3 family inet traffic in the same 
>>> interface. 
>>> 
>>> Is it possible? or maybe i'm conceptually wrong..... 
>> 
>> 
>> We have deployed this type of Martini layer 2 circuits with both IP and 
>> layer2 circuit terminations on the same physical interface towards a CE, 
>> but we have only used GE/10GE interfaces and vlan-ccc encapsulation so 
>> far. Using POS interfaces is more tricky. 
>> 
>> In order to run both IP traffic and to terminate one or more layer2 
>> circuit on the same physical interface you need to use an encapsulation 
>> type that support the use of more than one unit (subinterface) on the 
>> physical interface. You can then use one unit for IP and one or more to 
>> units for CCC to enable layer2 circuit terminations towards the CE. 
>> 
>> Note that there are limitations on which unit numbers you can use with 
>> CCC - some units will be reserved when you apply *-ccc encapsulatiom on 
>> the physical interface: 
>> <http://www.juniper.net/techpubs/software/junos/junos61/feature-guide-61/html/fg-l2circuit6.html>http://www.juniper.net/techpubs/software/junos/junos61/feature-guide-61/html/fg-l2circuit6.html 
>> 
>> 
>> For POS, you should be able to use frame-relay-ccc encapsulation to 
>> acheive what you need if you would like to go that way. 
>> /martin 
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>> 
>
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