SNAP - Sub Network Access Protocol

SNAP is used in the IEEE (Institute of Electrical and Electronics Engineers) 802.2 LLC (Logical Link Control) protocol as a mechanism for multiplexing more protocols than can be distinguished by the 8bit 802.2 SAP (Service Access Point) fields. SNAP supports identifying protocols by Ethernet type field values in addition to vendor specific protocol identifiers.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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