3Com 8807 Command Reference Manual page 281

The ACL Control Commands to Control Login Users 279
auth-password: Authentication password, character string, ranging from 1 to 64
bytes.
privacy: Specifies the security level as encryption.
des56: Specifies the DES encryption protocol.
priv-password: Encryption password, character string, ranging from 1 to 64 bytes.
acl acl-number: Number identifier of basic number-based ACLs, ranging from
2000 to 2999.
local: Local entity user.
engineid: Specifies the engine ID related to the user.
engineid-string: Engine ID character string.
Description
Use the snmp-agent usm-user command to add a new user to an SNMP group,
and reference the ACL to perform ACL control to the network management users
by acl acl-number.
Use the undo snmp-agent usm-user command to remove the user from the
related SNMP group as well as the configuration of the ACL control of the user.
Example
# Add a user "3com" to the SNMP group "3comgroup". Specify the security level
to "to be authenticated", the authentication protocol to HMAC-MD5-96 and the
authentication password to "sw8800", and reference the ACL 2002 to perform
ACL control to the network management users (basic ACL 2002 has already been
defined).
<SW8800> system-view
System View: return to User View with Ctrl+Z.
[SW8800] snmp-agent usm-user v3 3com 3comgroup authentication-mode m
d5 sw8800 acl 2002