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Does Cisco support GAP from DEC in CMNS ?

April 26, 2017Cisco CMNS Dec gap support

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Does Cisco support GAP from DEC in CMNS ?

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A. Cisco does not support GAP. GAP is a proprietary DEC protocol that transports X.25 from VAX over a DECnet network-services protocol (NSP) link to the X.25 gateway that extracts the X.25 information and forwards it to the X.25 network. To obtain similar functionality with Cisco IOS software, use Connection-Mode Network Service (CMNS) (also referred to as CONS in DEC terms). The CMNS uses X.25 over Logical Link Control, type 2 (LLC2) , which can be achieved on VAX with DECnet PhV and P.S.I. version 5 or later.