I need a detailled drawing of your installation and your desired design
send me mail at [EMAIL PROTECTED]
"Puckett, Larry (TIFPC)" a icrit :
> Hi all, I have a challenge that I could use some good advice to design.
>
> I have a present topology of a DEC box that has a SNA gateway installed to
> translate Decnet to SNA and the send through a modem eliminator (to provide
> clock at 9.6k :~}) to an IBM3745 FEP. Those FEP services are being moved to
> our central location in another city but the DEC services are staying put.
> There is a Cisco routed network already in place between these two sites
> with a 2502 on one end and a 3640 on the other. The 3640 is at the central
> data center and has an OSA attachment to the mainframe. As I understand it,
> OSA is layer 3 and depends on IP addresses but Decnet's addressing is layer
> 2 using the MAC address. The DEC box is Ethernet connected but the 2502 at
> that site is a Token Ring router. There is existing bridging between Token
> Ring and Ethernet segments at that site but I'm not sure if the DEC segment
> is already bridged.
>
> What I think I would like to do is to remove that SNA gateway from that DEC
> box and depend on the LAN/WAN to get Decnet to the central site. I'm pretty
> sure that the two routers will do this but once we get the information to
> the central site, I'm not sure how to get it out of the router and into the
> mainframe. We have thought of putting an SNA gateway at the central site
and
> basically recreating what they had up there but I'm hoping that we can use
> the OSA instead.
>
> I do understand that the configuration of the routers is more than just
> enabling Decnet, but I don't see any insurmountable hurdles there. Please
> correct me if I'm wrong.
>
> Any advise will be greatly appreciated!!
>
> A point to point leased line is undesirable because of the costs. Telco's
> pricing has a full T1 cheaper than a 9.6 circuit but we don't need that
> bandwidth and equipment to throttle down seems a waste.
>
> Thank you,
> Larry Puckette
> Network Analyst CCNA,MCP,LANCP
> Temple Inland
> 1300 S. Mopac Expressway
> Austin TX 78746
> [EMAIL PROTECTED]
> (512)434-1838
> cell - (512)751-8315
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