From: Adam Crisp (synergy) (adam.crisp@synergy-networking.co.uk)
Date: Thu Sep 25 2003 - 05:11:38 GMT-3
Kenneth,
the best thing I can suggest to you without knowing more about your
application details is to.
1. find out whether your serial source can be presented as async
or
2. findout whether you can use the sdlc to dlsw multidrop feature.
http://www.cisco.com/en/US/tech/tk331/tk336/technologies_configuration_examp
le09186a0080094730.shtml
good luck
Adam
> -----Original Message-----
> From: Charles Church [SMTP:cchurch@wamnet.com]
> Sent: Thursday, September 25, 2003 12:55 AM
> To: Kenneth Wygand; ccielab@groupstudy.com
> Subject: RE: Sending RS232 Data over Frame Relay PVC
>
> I'm no STUN expert, but I was told it's more flexible than DLSW for
> bridging
> SNA. I think it can encapsulate anything serial. We used STUN
> encapsulation to the ATM, which was normally an SDLC connection at 4800
> baud. I really can't offer any more help though. I had TAC help me,
> because I knew very little about SNA (still don't). If no one on GS can
> help, they can. Is it two-way traffic?
>
> Chuck Church
> CCIE #8776, MCNE, MCSE
> Wam!Net Government Services
> 13665 Dulles Technology Dr. Ste 250
> Herndon, VA 20171
> Office: 703-480-2569
> Cell: 703-819-3495
> cchurch@wamnet.com
> PGP key: http://pgp.mit.edu:11371/pks/lookup?search=chuck+church&op=index
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Kenneth Wygand
> Sent: Wednesday, September 24, 2003 4:51 PM
> To: Charles Church; ccielab@groupstudy.com
> Subject: RE: Sending RS232 Data over Frame Relay PVC
>
>
> Thanks again for the info Charles.
>
> I've been looking up the STUN technology on cisco.com but I haven't had
> much luck finding much information on the technology itself and how it
> works, etc. (to determine if it will work for my application).
>
> I found a lot of configuration examples as well as a F.A.Q. page, but
> nothing that discusses the technology in general.
>
> Any advice?
>
> 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
>
> -----Original Message-----
> From: Charles Church [mailto:cchurch@wamnet.com]
> Sent: Wednesday, September 24, 2003 3:56 PM
> To: Kenneth Wygand; ccielab@groupstudy.com
> Subject: RE: Sending RS232 Data over Frame Relay PVC
>
> Kenneth,
>
> Check out STUN (serial tunnelling). It can encapsulate serial
> data into
> IP. I've used it to handle SNA out of older ATM (bank machines) back to
> a
> central site.
>
> Chuck Church
> CCIE #8776, MCNE, MCSE
> Wam!Net Government Services
> 13665 Dulles Technology Dr. Ste 250
> Herndon, VA 20171
> Office: 703-480-2569
> Cell: 703-819-3495
> cchurch@wamnet.com
> PGP key:
> http://pgp.mit.edu:11371/pks/lookup?search=chuck+church&op=index
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Kenneth Wygand
> Sent: Wednesday, September 24, 2003 3:43 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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