From: sumit.kumar@comcast.net
Date: Thu May 12 2005 - 20:26:17 GMT-3
Brian,
How about Private-Vlans ?
Sumit
-------------- Original message --------------
> No BVI. Here is the task for the benefit of the group:
>
> 1.4. The port attached to R2 on SW1 is assigned to VLAN 2, while the port
> attached to BB2 on SW2 is assigned to VLAN 200. Configure the network so that
> when SW2 receives a broadcast frame originated in VLAN 2 on SW1 it is forwarded
> to BB2, and when SW1 receives a broadcast frame originated in VLAN 200 on SW2 it
> is forwarded to R2.
>
> 4 Points
>
>
>
> Brian McGahan, CCIE #8593
> bmcgahan@internetworkexpert.com
>
> Internetwork Expert, Inc.
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> ________________________________________
> From: Jongsoo kim [mailto:bstrt2002@gmail.com]
> Sent: Thursday, May 12, 2005 4:56 PM
> To: Brian McGahan
> Cc: ccie2be; Group Study
> Subject: Re: dot.1q tunneling - IE Vol II, lab 9, task 1.4
>
> Brian
>
> What about BVI interface in router?
>
>
> On 5/12/05, Brian McGahan wrote:
> Tim,
>
> Neither fallback bridging nor .1q tunneling are the solution ;)
>
>
> HTH,
>
> Brian McGahan, CCIE #8593
> bmcgahan@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987 x 705
> Outside US: 775-826-4344 x 705
> 24/7 Support: http://forum.internetworkexpert.com
> Live Chat: http://www.internetworkexpert.com/chat/
>
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com ] On Behalf
> Of
> > ccie2be
> > Sent: Thursday, May 12, 2005 4:00 PM
> > To: 'Jongsoo kim'; Group Study; Brian McGahan; Brian Dennis
> > Subject: RE: dot.1q tunneling - IE Vol II, lab 9, task 1.4
> >
> > Hi Jongsoo,
> >
> > I tried your config but, alas, it didn't work.
> >
> > I also tried using that same config on both switches but that didn't
> work
> > either.
> >
> > What bothers me most is that even if this did work, I can't figure out
> how
> > it would.
> >
> > BTW, I didn't change anything on the rtr's on either side of the
> Cat's. I
> > left those interfaces with just the ip address configured.
> >
> > When you think about it, this I don't believe this should work.
> Here's my
> > thinking.
> >
> > Fallback bridging is for NON IP traffic ie non-routable traffic.
> >
> > But, for this scenario to work properly, I need to be able to ping
> from
> > rtr-1 to rtr-2.
> >
> > Now, the Cat port connected to rtr-1 is configured to be in vlan 2 and
> the
> > cat port connected to rtr-2 is in vlan 20.
> >
> > And, the cat's are trunked together via 802.1q
> >
> > With Fallback bridging configured, what happens to a packet from rtr-1
> > when
> > Cat-1 gets it?
> >
> > Since it's an ip packet, I think the cat will process it just like any
> > normal ethernet frame ie it will see if the dest mac addr is in the
> mac
> > table for vlan 2.
> >
> > Not finding it there, it will send it to all ports in vlan 2 including
> the
> > trunk port connecting the 2 Cat's. When the 2nd Cat gets it, I think
> Cat-
> > 2
> > will drop it as it won't find that dest mac addr in it's vlan 2 table
> even
> > though vlan 2 is bridged to vlan 20.
> >
> > What do you think?
> >
> > Tim
> >
> > _____
> >
> > From: Jongsoo kim [mailto:bstrt2002@gmail.com ]
> > Sent: Thursday, May 12, 2005 3:53 PM
> > To: ccie2be
> > Subject: Re: dot.1q tunneling - IE Vol II, lab 9, task 1.4
> >
> > I am doing fine.
> >
> > Can you just do something like the below on one of switch without
> > configuring ip address?
> >
> > interface Vlan 2
> > bridge-group 1
> > interface Vlan 20
> > bridge-group 1
> > bridge 1 protocol vlan-bridge
> >
> >
> > Jongsoo
> >
> > On 5/12/05, ccie2be wrote:
> > Hey Jongsoo,
> >
> > It's good to hear from you. I hope you're doing well. As for me, I'm
> > working through the new IE practice labs as you can see.
> >
> > At the moment, I'm working on labs for which the Solutions haven't as
> yet
> > been posted.
> >
> > I considered using Fallback Bridging to fulfill this task but I can't
> see
> > how to use it as there are no L3 Cat ports involved in this config.
> >
> > Fallback Bridging requires that L3 ports be put into a bridge-group.
> In
> > this scenario, I could make the port connecting rtr-1 or rtr-2 a L3
> port
> > but
> > what about the trunk connecting the 2 Cat's?
> >
> > If you have any ideas, please show me what you would configure.
> >
> > Thanks, Tim
> >
> >
> >
> > _____
> >
> > From: Jongsoo kim [mailto: bstrt2002@gmail.com]
> > Sent: Thursday, May 12, 2005 1:22 PM
> > To: ccie2be
> > Subject: Re: dot.1q tunneling - IE Vol II, lab 9, task 1.4
> >
> > How are you doing. Tim?
> >
> > if all you have to do is to make vlan 20 and 2 communicated in layer
> 2,
> > I think you need to configure Vlan-bridge in either CAT 1 or CAT2 .
> >
> > Jongsoo
> >
> > On 5/12/05, ccie2be < ccie2be@nyc.rr.com >
> > wrote:
> > Hi guys,
> >
> > I'm trying to figure out how to configure this. I think dot.1q is the
> way
> > to go but I can't test this with the equipment I have.
> >
> > rtr-1 ------------- Cat-1 --- Cat-2 ----------------- rtr-2
> > .2 < vlan 2 > < vlan 20> .254
> >
> > | < 192.10.1.x/24 >|
> >
> > 802.1q trunks have been configured between the 2 3550's and both Cat's
> > have
> > their system mtu set as 1504.
> > I've configured each cat port connecting the rtr's as follows:
> >
> > Cat-1
> > interface FastEthernet0/2
> > switchport access vlan 2
> > switchport mode dot1q-tunnel
> > no ip address
> > no cdp enable <- added by default
> > spanning-tree bpdufilter enable <- added by default
> >
> > Cat-2
> > interface FastEthernet0/24
> > switchport access vlan 20
> > switchport mode dot1q-tunnel
> > no ip address
> > no cdp enable
> > spanning-tree bpdufilter enable
> >
> > With the rtr's I'm using I can't configure 802.1q trunking on the
> ethernet
> > ports connected to the Cat's. And, when I put the ip addr on the phy
> int,
> > pings don't work from rtr-1 to rtr-2.
> >
> > Am I approaching this problem correctly? If I were able to configure
> the
> > ethernet ports with 802.1q trunks, would this work?
> >
> > TIA, Tim
> >
> >
> _______________________________________________________________________
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> >
> >
> _______________________________________________________________________
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>
> _______________________________________________________________________
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>
> _______________________________________________________________________
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