Also, check out this blog post, it may help you understand that particular error: http://ipexpert.ccieblog.com/2009/07/29/l2-tunneling/
On Wed, Sep 9, 2009 at 12:24 PM, Joe Astorino <[email protected]>wrote: > Typically you see this when a port configured for "switchport mode > dot1q-tunnel" and "l2protocol-tunnel" is receiving an l2protocol-tunnel > frame from another switch that it is connected to. Make sure your customer > is not configuring l2protocol-tunnel anywhere on their end, and is simply > trunking to you. > > On Wed, Sep 9, 2009 at 10:20 AM, Justin Guagliata <[email protected]>wrote: > >> I have a link with a provider spanning two locations. The provider is >> running QinQ and we have a trunk setup across the link. Recently we had the >> requirement to start doing QnQ for a few "customers" so we attempted to do >> QinQ for our downstream neighbors. The problem is, when our downstream >> "customer" plugs in one switch, our port on the provider side goes into >> errdisable due to l2ptguard. >> >> I believe if the customer plugs a switch on the other side, the link will >> come up and be fine. The problem is, we can't afford to lose our link >> because the customer had a switch die or is missing a switch on one side for >> some other reason. >> >> The only solution i can think up is to have the provider disable errdiable >> for the l2ptguard cause. >> >> Does anyone else have any ideas, suggestion? >> >> Thanks, >> >> Justin >> >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> > > > -- > Regards, > > Joe Astorino - CCIE #24347 R&S > Technical Instructor - IPexpert, Inc. > Cell: +1.586.212.6107 > Fax: +1.810.454.0130 > Mailto: [email protected] > -- Regards, Joe Astorino - CCIE #24347 R&S Technical Instructor - IPexpert, Inc. Cell: +1.586.212.6107 Fax: +1.810.454.0130 Mailto: [email protected]
_______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
