[j-nsp] Vlan question MX

[Tom Storey]

The thing thats confusing me is, who on earth presents a service to a
customer as a tagged service? Ive never come across such a thing.

If you're plugged in to a router interface on the providers side, why is
there a need to add VLAN tagging on top? Similarly, if you're plugged in to
a switch, normally the switch port is just an access port, not a trunk.

Someone help me out here... :-)


On 8 July 2013 22:47, Michael Loftis <mloftis at wgops.com> wrote:

> vlan-tagging tells JunOS to treat the interface as multiple separate
> L3 interfaces, identified by VLAN ID.  Their end is almost certainly
> similarly configured (maybe as a MPLS PE)
>
> On Mon, Jul 8, 2013 at 10:26 AM, Keith <kwoody at citywest.ca> wrote:
> > Have this setup in the lab on some srx's but want to get some info
> > on this.
> >
> > We have an upstream provider that we use a config:
> >
> > set interfaces ge-0/1/0 vlan-tagging
> > set interfaces ge-0/1/0 encapsulation flexible-ethernet-services
> > set interfaces ge-0/1/0 unit 1500 vlan-id 1500
> > set interfaces ge-0/1/0 unit 1500 family inet address x.x.x.x/30
> >
> >
> > We are turning up a second connection to them that will be terminated on
> a
> > 10G
> > link and want us to use the same thing, vlan 1500, just a different IP
> > address.
> >
> > Will this cause a problem by having the same vlan id on both links to the
> > same provider? (I am guessing we are being terminated on different
> routers
> > on their side).
> >
> > My lab router didn't complain so I'm guessing its probably ok.
> >
> > Thanks,
> > Keith
> >
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