[j-nsp] l2circuit between vlan-ccc and ethernet-ccc

[Rafal Szarecki (WA/EPO)]

One comment. POP/PUSH do not work on all typers of GE PIC. The original PIC with fixed optics do not allow for tag operation. The QPP PICs allows. I'm not sure about modern non-QPP with SFP optics.

Rafal

> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net 
> [mailto:juniper-nsp-bounces at puck.nether.net]On Behalf Of 
> sthaug at nethelp.no
> Sent: Friday, October 28, 2005 10:25 PM
> To: ras at e-gerbil.net
> Cc: juniper-nsp at puck.nether.net
> Subject: Re: [j-nsp] l2circuit between vlan-ccc and ethernet-ccc
> 
> 
> > > How the heck do you set up an l2circuit between a 
> vlan-ccc interface (.1q 
> > > tagged on the handoff) on one end, and a ethernet-ccc 
> handoff (not .1q 
> > > tagged) on the other end? If you just configure it like 
> normal you get 
> > > EM/encapsulation mismatch on the l2circuit, but since the 
> .1q tag is not 
> > > included in the actual payload put on the LSP, they 
> should actually be the 
> > > same packet internally yes?
> > 
> > Um, why do you think the .1q tag is not put on the LSP for 
> the vlan-ccc
> > interface? As far as I know it is.
> > 
> > You may be able to get around this by using a vlan-map with 
> an explicit
> > pop/push operation (haven't tried it though).
> 
> Tried it, it *appears* to work (l2circuit comes up):
> 
> ge-1/3/0 {
>     vlan-tagging;
>     encapsulation vlan-ccc;
>     unit 513 {
>         encapsulation vlan-ccc;
>         vlan-id 513;
>         input-vlan-map pop;
>         output-vlan-map push;
>     }
> }
> 
> l2circuit {
>     neighbor a.b.c.d {
>         interface ge-1/3/0.513 {
>             virtual-circuit-id 999;
>         }
>     }
> }
> 
> and
> 
> fe-3/2/3 {
>     encapsulation ethernet-ccc;
>     unit 0;
> }
> l2circuit {
>     neighbor e.f.g.h {
>         interface fe-3/2/3.0 {
>             virtual-circuit-id 999;
>         }
>     }
> }
> 
> Haven't verified that traffic actually gets through though.
> 
> Steinar Haug, Nethelp consulting, sthaug at nethelp.no
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