![]() a real WAN connection) in that a serial connection requires one end to act as the DTE, and one the DCE (which provides the clocking amongst other things). The fact that there could be 10,000 miles and a variety of 3rd party networks between those two sites matters little - it still appears to each end as a straightforward serial connection.Īt the risk of confusing the issue, whilst the example image represents what is likely to be two sites separate by a WAN link the implementation of it differs from reality (i.e. Hence the labs you are doing, and the image posted, are usually simply representing a WAN link using a back-to-back serial cable. Regardless of how the WAN operates, which is usually not under your control, the routers at either end just see a straightforward serial link between them. Serial links are indeed commonly used over WAN links, largely for historical reasons and the fact that it can be used over a whole variety of different infrastructure mediums and methodologies. Please disable your ad-block, or become a premium member to hide all advertisements and this notice. Blocking our ads means your killing our stats! and it needs advertisements in order to keep running. This website is run by the community, for the community. ![]()
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