I think he might be looking for a simpler answer. The Data-Link Connection
Identifier (DLCI) refers to a connection between your site and your
provider. There is a connection on each end of the virtual circuit. For
example, if you use Frame Relay to link an office in Paris to an office in
London, there are two connections:
* Paris office to provider in Paris
* London office to provider in London
The connections can have different connection IDs.
In a LAN environment, an analogy would be the connection between an end
node and a router, identified by the MAC addresses of the end node and the
router. When a client on one LAN talks to a server on a different LAN, for
example, there would be at least two data-link connections:
* Client talking to router (identified by client MAC address and router MAC
address)
* Router talking to server (identified by router MAC address and server MAC
address)
That's just an analogy which hopefully helps you understand the WAN concept
of a data-link connection ID.
Priscilla
At 03:07 PM 11/3/00, Boo Kheng Khoo wrote:
>Hi,
>
>You might have two point-to-point PVC to two different sites, eg. site A
>is a branch office while site B is your supplier.
>
>Thanks,
>
>At 10:07 PM 11/2/2000 -0800, jeongwoo park wrote:
>>Hi all
>>While I was reading a cisco book, I came across the
>>fact that DLCI number has only local significance
>>because there might be more than one DLCI number
>>associated with one pvc.
>>Why would any pve in frame relay network have two DLCI
>>numbers?
>>I know that DLCI number is given by frame relay
>>service provider.
>>Can someone explain this?
>>
>>Thanks in adv.
>>
>>jeongwoo
>>
>>
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>
>
>Boo Kheng
>Professional Services
>Cisco Systems
>
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