[c-nsp] router and transparent bridging help needed.

[Aaron]

Ibrahim Abo Zaid wrote:
> Dear Aaron
>  
>  
> regarding the bridging frame directly to your internal router via your 
> firewall , the below Cisco documents shows transparent bridging over 
> many scenarios including frame-relay to ethernet
> bridging
>  
> http://www.cisco.com/en/US/tech/tk331/tk660/technologies_tech_note09186a0080094471.shtml
>  
> regarding the HW point , i believe that any cisco router support 
> frame-relay will do it
> starting from Cisco 805
>  
> i hope you will find that useful in that case
>  
> best regards
> -- Abo Zaid
>
Thanks Abo, that seems to be exactly what I was needing and will
do exactly what I was wanting.

I wonder why so many different thoughts on what the IOS can and can't do.

Thanks again,

Aaron



>
>  
> On 12/3/07, *Aaron* <ml at proficuous.com <mailto:ml at proficuous.com>> wrote:
>
>     I have run into a situation where i need to bridge my incoming
>     frame-relay t1 directly to an internal router's ethernet interface.
>
>     I have no practical experience with cisco so i'm hoping the list can
>     give me some pointers and suggestions and ideally i'll only get 2nd
>     degree burns from the flames.
>
>     The situation as i need it is as such:..
>     My isp has a ptp address of 1.2.3.4 <http://1.2.3.4> and my
>     assigned address is 1.2.3.5 <http://1.2.3.5>
>     (ips sanitized of course).  I want to pass the 1.2.3.5
>     <http://1.2.3.5> address directly
>     through to my internal router eth0 interface. (sorry in adv. for the
>     crappy ascii art)
>
>     ISP|unknown router|serial(Frame)|address 1.2.3.4 <http://1.2.3.4>
>                             |
>                       ______|_______
>                            wic-1t
>                    some cisco router
>                           ethernet
>                     ---------|-------------
>                              |
>                        1.2.3.5eth0
>                  internal router/firewall
>
>     I have seen some examples but honestly i'm not even sure what
>     hardware I
>     should be looking at.  The example from the archives
>     http://marc.info/?l=cisco-nsp&m=115982463524342&w=2
>     <http://marc.info/?l=cisco-nsp&m=115982463524342&w=2> was talking
>     about a
>     cisco 1601, but that was a ppp based connection.
>
>     Another thread i found http://marc.info/?t=118667690000005&r=1&w=2
>     <http://marc.info/?t=118667690000005&r=1&w=2>
>     talked about a frame connection but then they were using a 2600
>     and the
>     replies seemed a little mixed as one guy said he should switch to
>     ppp in
>     half-bridging and someone else replied about something called IRB
>     approach.  I'm not sure if switching to ppp is an option here so I'd
>     like to concentrate on frame.
>
>     I don' need/want  routing, blocking, natting at all to happen on
>     the cisco,
>     essentially I want it to act like a hub/switch connected to my
>     internal
>     firewall/router.
>
>     The reasoning behind this is, and please correct me if i'm wrong,
>     I want
>     as simple and worry free a setup on the cisco as possible.  After
>     configuring it I won't be fiddling with configs unless something
>     were to
>     break.  My internal router will do all the natting/firewalling and
>     routing, and i am confident when configuring that.  I believe the
>     ability
>     on the OS is much more important than the OS.  I will not need to
>     connect
>     to the cisco via tcp at all, all connects will be via the management
>     console.
>
>     Any suggestions on hardware (less expensive the better), IOS version
>     i'll need and probably most importantly, config suggestions,
>     example or
>     link to pertinent material(i'm willing to learn to fish) would be most
>     appreciated.
>
>     Thanks in advance.
>
>     Aaron
>
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