Dont know the reason for that, on the ASA the snmp user is showing in the running-config, but not on a router or switch.
The crypto key command is not in the configuration either, but you could add it manually while the config-file is on the computer (and you could do the same the snmp user) and then upload it to the device.
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...