From: Adam Crisp (synergy) (adam.crisp@synergy-networking.co.uk)
Date: Wed Sep 24 2003 - 17:34:00 GMT-3
This is quite simply the best question I have seen for ages.
If you get this working you will be a true network genius ;-)
OK the solution is to turn your async feed into a UDP multicast stream.
multicast the feed about a bit to your 20 or so receivers and convert the
udp back into async. Easy hun?
I thought this up and did some digging on cco - and this feature actually
exists. can't beleive it.
here it is: start here:
http://www.cisco.com/en/US/products/sw/iosswrel/ps1830/products_feature_guid
e09186a0080087a48.html#wp5038
scroll down a bit and you get to the multi cast example where you see the
autocommand udptn command in use:
"autocommand udptn 172.1.1.1 /transmit"
I have a hunch that this may be a cco mistake and should read something like
this:
"autocommand udptn 230.5.5.5 /transmit" or whatever.
After you get this working please will you let me know?
nice one
Adam CCIE #11225
> -----Original Message-----
> From: Kenneth Wygand [SMTP:KWygand@customonline.com]
> Sent: Wednesday, September 24, 2003 8:43 PM
> To: ccielab@groupstudy.com
> Subject: Sending RS232 Data over Frame Relay PVC
>
> Elite Team,
>
>
>
> I have a hub-and-spoke Frame relay network I am looking to implement -
> 20 spokes and 1 hub with Frame Relay connections from the hub to each
> remote site. I also have a 56K synchronous serial RS232 line I must
> transport over this frame-relay connection from the hub to each of the
> remote sites (proprietary application). ALL REMOTE SITES RECEIVE THE
> SAME INFORMATION FROM THE HUB!
>
>
>
> Is there a way I can do this within a Cisco box? Would the DLCI
> configuration be able to support these requirements? I'd like to only
> send one copy of the feed into the Cisco router (thus requiring only one
> serial connection) and then copy it 20 times. Cisco said this can be
> done within the frame relay DLCI configuration, but I am not so sure.
> I'm assuming that with this method, I'll still need to use 20 x 56K
> bandwidth on the frame relay link connected to my hub and that's not
> really a big deal to me. I just don't want to have to have 20 serial
> interfaces on the Cisco Router to pump each individual feed (copied 20x)
> to each remote site.
>
>
>
> IP traffic will have to cross the link as well for Internet Access
> purposes. CIR at each remote site will probably be about 256K,
> including the 56K synchronous serial connection being carried over this
> link.
>
>
>
> Any suggestions or advice would be greatly appreciated.
>
>
>
> Thanks,
>
>
>
> Kenneth E. Wygand
> Systems Engineer, Project Services
>
> CISSP #37102, CCNP, CCDP, MCP 2000, CNA 5.1, Network+, A+
> Custom Computer Specialists, Inc.
>
> "It's not just about ending up where you want to be, it's about making
> the most of the trip there."
> -Anonymous
>
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