From: Topass Mustpass (ccie_certain@hotmail.com)
Date: Thu Nov 02 2006 - 13:49:56 ART
Colleques,
I guess the command below should be miaaing on R5
config.Please if it is not ommision kindly let me know.
neighbor 183.1.45.4
>From: "Brian Dennis" <bdennis@internetworkexpert.com>
>Reply-To: "Brian Dennis" <bdennis@internetworkexpert.com>
>To: "Mike O" <mikeeo@msn.com>, <adhu_ajit@yahoo.com>, "Petr
>Lapukhov" <petr@internetworkexpert.com>, <ccielab@groupstudy.com>
>Subject: RE: Private VLANs and routers
>Date: Tue, 31 Oct 2006 20:44:48 -0500
>
>Mike,
> Cisco isn't going to list out in detail each and everything they
>will cover. If you look at each section in the blueprint Cisco usually
>leaves themselves some sort of "and everything else" clause.
>
> As far as private VLANs go the 3560's are being added and they
>support private VLANs so you should at least know the basics.
>
>HTH,
>
>Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
>bdennis@internetworkexpert.com
>
>Internetwork Expert, Inc.
>http://www.InternetworkExpert.com
>Toll Free: 877-224-8987
>Direct: 775-745-6404 (Outside the US and Canada)
>
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>Mike O
>Sent: Tuesday, October 31, 2006 11:27 AM
>To: adhu_ajit@yahoo.com; Petr Lapukhov; ccielab@groupstudy.com
>Subject: Re: Private VLANs and routers
>
>Are private vlans on the blue print? or is that considered "advanced
>configuration"?
>
>
> >From: Adhu Ajit <adhu_ajit@yahoo.com>
> >Reply-To: Adhu Ajit <adhu_ajit@yahoo.com>
> >To: Petr Lapukhov <petr@internetworkexpert.com>, ccielab@groupstudy.com
> >Subject: Re: Private VLANs and routers
> >Date: Tue, 31 Oct 2006 09:52:24 -0800 (PST)
> >
> >Petr, you are right. All the VLANs are actually part of the same subnet
>and
> >same primary VLAN. What was I thinking when I wrote my first email ??!!
> >
> > So the router port will just behave as a regular ehthernet interface
>
> >without any trunks terminating on it. The promiscous switch port will
>just
> >be an access port on the primary VLAN.
> >
> > Thanks for the clarification.
> >
> >Petr Lapukhov <petr@internetworkexpert.com> wrote:
> > No, you just configure router link as an "access" link in VLAN 100
> >(primary).
> >You don't need any subinterfaces, and no tagged frames should reach the
> >router.
> >
> >Remember, all nodes share *same* subnet, and *same* primary VLAN
> >in essense. It's just level 2 that makes difference, though this is
> >transparent
> >to end devices (in sense they don't see "additional" VLANs)
> >
> >interface fa x/y
> > description == Link to router
> > switchport mode private-vlan promisc
> > switchport private-vlan mapping 100 add 10 , 20 , 30
> >
> >You only need trunks to transport private VLANs between switches.
> >
> >HTH
> >
> > 2006/10/31, Adhu Ajit <adhu_ajit@yahoo.com>: Folks, let's say that
> >VLANs 10 and 30 are community VLANs and VLAN 20 is a isolated VLAN.
>They
> >all use VLAN 100 as the main VLAN to reach the router. (In other words,
>the
> >promisicuous port on the switch is part of VLAN 100 and VLANs 10, 20
>and 30
> >are mapped to 100)
> >
> > When I configure the dot1q trunk interface on the router, I'm
>assuming
> >that I would create one sub-interface each for VLAN 10, 20, 30 and 100.
> >
> > Any caveats/gotchas that I should know about ?
> >
> > Thanks in advance.
> >
> >
> >
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> >
> >--
> >Petr Lapukhov, CCIE #16379
> >petr@internetworkexpert.com
> >
> >Internetwork Expert, Inc.
> >http://www.InternetworkExpert.com
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> >
> >
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