Cedric, I am kind of confused about the topology. Can you explain better what the requirements area? Is the interface between the 4507's and the TACLANES L3 or L2? Is it
vlans---> 4507 ---> TACLANE -----> TACLANE ----> 4507 ----> vlans And the vlan networks need to communicate via layer 2? On Thu, Jul 16, 2009 at 1:30 PM, Cedric King <[email protected]> wrote: > Yes.... > > Cedric > > ------------------------------ > *From:* Rodney Jackson <[email protected]> > *To:* Cedric King <[email protected]> > *Sent:* Thursday, July 16, 2009 3:14:54 PM > *Subject:* Re: [OSL | CCIE_RS] GRE Tunnels and Trunking > > > Are you talking vtp > Sent from my iPhone > > On Jul 16, 2009, at 12:25, Cedric King <[email protected]> wrote: > > Thanks Rodney, > > But I'm trying to propagate vlans from the Core switch to the edge > switches... Does anyone think that L2tp would work? > > ------------------------------ > *From:* Rodney Jackson <[email protected]> > *To:* Cedric King <[email protected]> > *Cc:* "[email protected]" <[email protected]> > *Sent:* Thursday, July 16, 2009 10:05:41 AM > *Subject:* Re: [OSL | CCIE_RS] GRE Tunnels and Trunking > > If trying to SPAN across routed links then you must use ERSPAN. > > Sent from my iPhone > > On Jul 16, 2009, at 8:02, Cedric King < <[email protected]> > [email protected]> wrote: > > Hi All, > > I've been researching this issue some some time now and wanted to get some > inputs.. > > Equipment involved: > > (x2) Cisco Catalyst 4507R-E ( running Enterprise services-K9) > > The devices are 6 miles apart and are encrypted via KG175-D Taclanes that > act as layer 3 devices... This issue what I'm trying to solve: How can I > span vlans from the Core Switch to the access area when the Taclane is > denying that from happening and does not trunk? > > I created a gre tunnel from end - end and have reach-ability..... I think > that answer is that can not be done but I'm asking the experts: Is it > possible to trunk vlan information through this logical interface? > > Cedric > > (any inputs would be greatly appreciated) > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit <http://www.ipexpert.com/> <http://www.ipexpert.com/> > www.ipexpert.com > > > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > -- Bryan Bartik CCIE #23707 (R&S), CCNP Sr. Support Engineer - IPexpert, Inc. URL: http://www.IPexpert.com
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