[c-nsp] Trunked links over EoMPLS

[Temkin, David]

I was able to use layer 2/VLAN xconnect (l2tvp3 and AToM flavors)  to do
this with an ISL trunk, but not 802.1q. 

Not sure if this fits your need, but...

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net 
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of 
> McCallum, Robert
> Sent: Thursday, November 04, 2004 11:25 AM
> To: 'Chris Roberts'; cisco-nsp at puck.nether.net
> Subject: RE: [c-nsp] Trunked links over EoMPLS
> 
> Chris,  this is called QinQ.  However,  all that you can do 
> is a dot1q trunk between the devices i.e. NO ISL.  ISL 
> doesn't work (or at least didn't a week ago when we tested 
> it).  If your switch is a 3550 the config looks like this.
> 
> 
> int fast0/1
> switchport dot1qtunnel
> switchport trunk allowed vlan blah blah blah.
> switchport access vlan xx (this is the vlan number for your network)
> 
> you can then do l2protocol tunnel cdp,stp or vtp.  This 
> command will allow total transparency.
> 
> 
> BTW if spanning tree is enabled for vlans then the customer 
> shall see the vlan that you need to use to encapsulate their 
> packets into.
> 
> HTH
> 
> Robert McCallum
> CCIE #8757 R&S
> 
> 
> > -----Original Message-----
> > From: Chris Roberts [mailto:croberts at bongle.co.uk] 
> > Sent: 04 November 2004 14:02
> > To: cisco-nsp at puck.nether.net
> > Subject: [c-nsp] Trunked links over EoMPLS
> > 
> > 
> > Heya,
> > 
> > I have a customer with a bunch of VLANs on a switch - I want 
> > to enable a trunk link on this switch and carry the entire 
> > trunk across a point-to-point L2VPN to a remote switch which 
> > will also have trunking enabled. Is this possible? The 
> > documents on Cisco seem to indicate that I need to have 
> > stacked VLAN processing and such, is this necessary? I don't 
> > want to do anything complicated like send different VLANs to 
> > different places and such, just encapsulate the entire L2 
> > frames including 802.1q / ISL headers.
> > 
> > Cheers,
> > Chris.
> > 
> > ---
> > Outgoing mail is certified Virus Free.
> > Checked by AVG anti-virus system (http://www.grisoft.com).
> > Version: 6.0.786 / Virus Database: 532 - Release Date: 29/10/2004
> >  
> > 
> > _______________________________________________
> > cisco-nsp mailing list  cisco-nsp at puck.nether.net 
> > https://puck.nether.net/mailman/listinfo/cisco> -nsp
> > archive at 
> > http://puck.nether.net/pipermail/cisco-nsp/
> > 
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
> 


IMPORTANT: The information contained in this email and/or its attachments is confidential. If you are not the intended recipient, please notify the sender immediately by reply and immediately delete this message and all its attachments.  Any review, use, reproduction, disclosure or dissemination of this message or any attachment by an unintended recipient is strictly prohibited.  Neither this message nor any attachment is intended as or should be construed as an offer, solicitation or recommendation to buy or sell any security or other financial instrument.  Neither the sender, his or her employer nor any of their respective affiliates makes any warranties as to the completeness or accuracy of any of the information contained herein or that this message or any of its attachments is free of viruses.