Le protocole hdlc est le type dencapsulation par defaut pour les interfaces serie des routeurs cisco. Nrm normal response mode ou lap link access protocol. The hdlc frames are transmitted successively on each channel, with a frame separator 21 between each successive frame. An hdlc protocol specification and its verification using. For example a high definition system might have six times the bit rate of a. Pdf cours complet sur le protocole snmp cours informatique. Ppp has to be used when communicating with noncisco devices. There are many different digital video formats and each has a different bit rate. Quelles sont les fonctionnalites implementer dans hdlc. A multifunction protocol such as hdlc is very complex and cannot be easily analyzed. Pour chaque datagramme ip qui traverse une passerelle, le protocole ip. Hdlc is the default encapsulation on serial links in a cisco router.
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