Not really. Your taclanes are routers essentially. They just provide encryption between their routed interfaces. That's why you're likely having issues propogating the vlans. Each vlan1 at the other end of the client taclane is an individual broadcast domain.
Brandon On 2009/07/17, at 11:27, [email protected] wrote: > Send CCIE_RS mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://onlinestudylist.com/mailman/listinfo/ccie_rs > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of CCIE_RS digest..." > > > Today's Topics: > > 1. Re: GRE Tunnels and Trunking (Cedric King) > 2. Re: vlan propagation through taclane (Cedric King) > 3. Re: GRE Tunnels and Trunking (Bryan Bartik) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 16 Jul 2009 19:15:07 -0700 (PDT) > From: Cedric King <[email protected]> > Subject: Re: [OSL | CCIE_RS] GRE Tunnels and Trunking > To: Bryan Bartik <[email protected]>, [email protected] > Message-ID: <[email protected]> > Content-Type: text/plain; charset="iso-8859-1" > > they all use the TACLANES as gateways.. the 4507 are not trunked and > the taclanes are assigned through access ports... I think it would > be a different story if I had routers involved... > > v/r > > cedric > > > > > ________________________________ > From: Bryan Bartik <[email protected]> > To: Cedric King <[email protected]> > Sent: Thursday, July 16, 2009 10:09:35 PM > Subject: Re: [OSL | CCIE_RS] GRE Tunnels and Trunking > > Interesting...you say layer 2 all the way...are the 4507's trunked? > Or do they use the TACLANE as a gateway? > > > On Thu, Jul 16, 2009 at 7:40 PM, Cedric King <[email protected]> > wrote: > > Bryan.. >> >> Its a flat layer 2 network with all access switches... I'm >> upgrading this network to have layer 3 functions to support 2500 >> users who are all currently using vlan 1 ( not allowed on a dod >> infrastructure).. >> >> I've configured a core switch (4507) which houses all the vlan.. >> and now I want to propagate the newly configured vlans to the edge >> devices... setup is as follows: >> >> (vlans-4507-core switch with 32 vlans) ---> Master TACLANE-----> >> user access TACLANE ----> 4507 (vlan 1& users)... the entire >> infrastructure was built this way.. >> >> I've tried gre tunnels... but its a no go... >> >> I've tried L2PT ... its a no go... >> >> Requirement that I would like to meet if possible is to some how >> get the 32 vlans to all edge devices. >> >> Who ever built the network did not plan for growth and the >> personnel on the ground here does not want to spend the extra money >> or purchase extra equipment for us to redesign. >> >> Cedric >> >> >> >> >> > ________________________________ > From: Bryan Bartik <[email protected]> >> >> To: Cedric King <[email protected]> >> Cc: Rodney Jackson <[email protected]>; [email protected] >> Sent: Thursday, July 16, 2009 6:22:47 PM >> >> Subject: Re: [OSL | CCIE_RS] GRE Tunnels and Trunking >> >> >> 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]> 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 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 >> >> > > > -- > Bryan Bartik > CCIE #23707 (R&S), CCNP > Sr. Support Engineer - IPexpert, Inc. > URL: http://www.IPexpert.com > > > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > http://onlinestudylist.com/pipermail/ccie_rs/attachments/20090716/08b2302f/attachment-0001.htm > > ------------------------------ > > Message: 2 > Date: Thu, 16 Jul 2009 19:16:59 -0700 (PDT) > From: Cedric King <[email protected]> > Subject: Re: [OSL | CCIE_RS] vlan propagation through taclane > To: [email protected], [email protected] > Message-ID: <[email protected]> > Content-Type: text/plain; charset="iso-8859-1" > > The taclanes have an MTU of 1400... > > > > > ________________________________ > From: Eric Stanfield <[email protected]> > To: [email protected] > Sent: Thursday, July 16, 2009 10:13:52 PM > Subject: vlan propagation through taclane > > Do your taclanes have an obscenely small MTU?? I know they are > supposed to > be layer 2 transparent, but I seem to remember they have like a 500 > byte MTU > or something. > > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > http://onlinestudylist.com/pipermail/ccie_rs/attachments/20090716/28b8ea46/attachment-0001.htm > > ------------------------------ > > Message: 3 > Date: Thu, 16 Jul 2009 20:27:33 -0600 > From: Bryan Bartik <[email protected]> > Subject: Re: [OSL | CCIE_RS] GRE Tunnels and Trunking > To: Cedric King <[email protected]> > Cc: [email protected] > Message-ID: > <[email protected]> > Content-Type: text/plain; charset="iso-8859-1" > > Yeah, too bad those Taclanes couldn't do l2tpv3 or something. Well > good > luck, if I come across something I'll let you know. I'm sure you > have done > plenty of looking already > > On Thu, Jul 16, 2009 at 8:15 PM, Cedric King <[email protected]> > wrote: > >> they all use the TACLANES as gateways.. the 4507 are not trunked >> and the >> taclanes are assigned through access ports... I think it would be a >> different story if I had routers involved... >> >> v/r >> >> cedric >> >> ------------------------------ >> *From:* Bryan Bartik <[email protected]> >> *To:* Cedric King <[email protected]> >> *Sent:* Thursday, July 16, 2009 10:09:35 PM >> >> *Subject:* Re: [OSL | CCIE_RS] GRE Tunnels and Trunking >> >> Interesting...you say layer 2 all the way...are the 4507's trunked? >> Or do >> they use the TACLANE as a gateway? >> >> On Thu, Jul 16, 2009 at 7:40 PM, Cedric King <[email protected]> >> wrote: >> >>> Bryan.. >>> >>> Its a flat layer 2 network with all access switches... I'm >>> upgrading this >>> network to have layer 3 functions to support 2500 users who are all >>> currently using vlan 1 ( not allowed on a dod infrastructure).. >>> >>> I've configured a core switch (4507) which houses all the vlan.. >>> and now I >>> want to propagate the newly configured vlans to the edge >>> devices... setup is >>> as follows: >>> >>> (vlans-4507-core switch with 32 vlans) ---> Master TACLANE-----> >>> user >>> access TACLANE ----> 4507 (vlan 1& users)... the entire >>> infrastructure was >>> built this way.. >>> >>> I've tried gre tunnels... but its a no go... >>> >>> I've tried L2PT ... its a no go... >>> >>> Requirement that I would like to meet if possible is to some how >>> get the >>> 32 vlans to all edge devices. >>> >>> Who ever built the network did not plan for growth and the >>> personnel on >>> the ground here does not want to spend the extra money or purchase >>> extra >>> equipment for us to redesign. >>> >>> Cedric >>> >>> >>> ------------------------------ >>> *From:* Bryan Bartik <[email protected]> >>> *To:* Cedric King <[email protected]> >>> *Cc:* Rodney Jackson <[email protected]>; >>> [email protected] >>> *Sent:* Thursday, July 16, 2009 6:22:47 PM >>> >>> *Subject:* Re: [OSL | CCIE_RS] GRE Tunnels and Trunking >>> >>> 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 >>> >>> >> >> >> -- >> Bryan Bartik >> CCIE #23707 (R&S), CCNP >> Sr. Support Engineer - IPexpert, Inc. >> URL: http://www.IPexpert.com <http://www.ipexpert.com/> >> >> > > > -- > Bryan Bartik > CCIE #23707 (R&S), CCNP > Sr. Support Engineer - IPexpert, Inc. > URL: http://www.IPexpert.com > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > http://onlinestudylist.com/pipermail/ccie_rs/attachments/20090716/6f7a8b2a/attachment.htm > > End of CCIE_RS Digest, Vol 42, Issue 103 > **************************************** _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
