From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Tue Sep 12 2006 - 17:18:42 ART
You can't bridge IPv4 with a bridge group on the 3550 so either
it was a misconfiguration or they were trying to support some other
protocol.
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
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> -----Original Message-----
> From: Wes Stevens [mailto:wrsteve33-gsccie@yahoo.com]
> Sent: Tuesday, September 12, 2006 3:08 PM
> To: Brian McGahan
> Cc: ccielab@groupstudy.com
> Subject: Re: Cisco 7200 Router Simulator for CCIE R&S Lab practice &
MPLS
> LAB practice
>
> The only protocol in use was IP. Also there was only one bridge group
> configured...
>
> ----- Original Message ----
> From: Brian McGahan <bmcgahan@internetworkexpert.com>
> To: Wes Stevens <wrsteve33-gsccie@yahoo.com>
> Cc: ccielab@groupstudy.com
> Sent: Tuesday, September 12, 2006 2:42:35 PM
> Subject: RE: Cisco 7200 Router Simulator for CCIE R&S Lab practice &
MPLS
> LAB practice
>
>
> It's called fallback bridging and is used for bridging non IPv4
> protocols between different VLANs or routed segments. What protocols
do
> they have running in their network?
>
> 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: Wes Stevens [mailto:wrsteve33-gsccie@yahoo.com]
> > Sent: Tuesday, September 12, 2006 12:15 PM
> > To: Brian McGahan
> > Cc: ccielab@groupstudy.com
> > Subject: Re: Cisco 7200 Router Simulator for CCIE R&S Lab practice &
> MPLS
> > LAB practice
> >
> > I ran across a site the other day that had a 3550 switch. They put
"no
> > switchport" on the interfaces and then added a bridge-group on the
> > interfaces to bridge the traffic. It was at a site for the company
> that
> > was purchased by the company I work for. All the network design and
> > support was farmed out to ATT before we took it over, so there is
> really
> > no one to ask what was the rational behind what they did.
> >
> > Any one want to take a stab at why you would do something like this?
> >
> > ----- Original Message ----
> > From: Brian McGahan <bmcgahan@internetworkexpert.com>
> > To: "Church, Chuck" <cchurch@multimax.com>; Radioactive Frog
> > <pbhatkoti@gmail.com>
> > Cc: ccielab@groupstudy.com
> > Sent: Tuesday, September 12, 2006 9:16:33 AM
> > Subject: RE: Cisco 7200 Router Simulator for CCIE R&S Lab practice &
> MPLS
> > LAB practice
> >
> >
> > You can create different bridge-groups and assign them to the
> interfaces
> > based on how you want to create the broadcast domains. Something
> like:
> >
> > bridge 1 protocol ieee
> > bridge 2 protocol ieee
> > !
> > interface Ethernet1/0
> > bridge-group 1
> > !
> > interface Ethernet1/1
> > bridge-group 1
> > !
> > interface Ethernet1/2
> > bridge-group 2
> > !
> > interface Ethernet1/3
> > bridge-group 2
> >
> > I haven't personally used the 7200 simulator but this would work
> > for a regular router.
> >
> > 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
> > > Church, Chuck
> > > Sent: Tuesday, September 12, 2006 7:19 AM
> > > To: Radioactive Frog
> > > Cc: ccielab@groupstudy.com
> > > Subject: RE: Cisco 7200 Router Simulator for CCIE R&S Lab practice
&
> > MPLS
> > > LAB practice
> > >
> > > Someone correct me if I'm wrong, but I don't think there are any
> > > Ethernet switch modules for the 7200. Sure, you can add Ethernet
> > > interfaces, but you can't make them switch ports and assign them
to
> a
> > > VLAN. So a 3550 is still going to be pretty useful. But for all
> the
> > > routing, yeah, this emulator can be pretty useful.
> > >
> > >
> > > Chuck Church
> > > Network Engineer
> > > CCIE #8776, MCNE, MCSE
> > > Multimax, Inc.
> > > Enterprise Network Engineering
> > > Home Office - 864-335-9473
> > > Cell - 864-266-3978
> > > cchurch@multimax.com
> > >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
Behalf
> > Of
> > > Radioactive Frog
> > > Sent: Tuesday, September 12, 2006 1:16 AM
> > > To: WorkerBee
> > > Cc: Marcio Ferreira; ccielab@groupstudy.com
> > > Subject: Re: Cisco 7200 Router Simulator for CCIE R&S Lab practice
&
> > > MPLS LAB practice
> > >
> > > Dynagen will figure out the correct module to use for the 7200,
> > > be it PA-4E or I/O-FE.
> > > =======================================
> > >
> > > If that is the case (can simulate 3550 on 72xx simulator), is
there
> > > still
> > > need to buy all expensive LAB equipment?????????
> > >
> > >
> >
>
This archive was generated by hypermail 2.1.4 : Sun Oct 01 2006 - 16:55:40 ART