ATM adaptation layer (AAL) and Encapsulation type. aal5ciscoPPP - For Cisco PPP over ATM. 'cwrChanVirtualTemplate' is required to be set for this type. aal5muxAPOLLO - For a multiplex (MUX) - type virtual circuit using the Apollo protocol. aal5muxAPPLETALK - For a MUX-type virtual circuit using the AppleTalk protocol. aal5muxDECNET - For a MUX-type virtual circuit using the DECnet protocol. aal5muxIP - For a MUX-type virtual circuit using the IP protocol. aal5muxIPX - For a MUX-type virtual circuit using the IPX protocol. aal5muxPPP - For a MUX-type virtual circuit using the PPP protocol. 'cwrChanVirtualTemplate' is required to be set for this type. aal5muxVINES - For a MUX-type virtual circuit using the VINES protocol. aal5muxXNS - For a MUX-type virtual circuit using the XNS protocol. aal5nlpid - Allows ATM interfaces to interoperate with HSSI. aal5snap - The only encapsulation supported for Inverse ARP. Logical Link Control/ Subnetwork Access Protocol (LLC/SNAP) precedes the protocol datagram. ilmi - Used to set up communication with ILMI. qsaal - A signalling type PVC used for setting up or tearing down SVCs.