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1372 PowerConnect B-Series FCX Configuration Guide
53-1002266-01
Using the user-based security model
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PowerConnect(config)#snmp-s user bob admin v3 access 2 auth md5 bobmd5 priv des
bobdes
The CLI for creating SNMP version 3 users has been updated as follows.
Syntax: [no] snmp-server user <name> <groupname> v3
[[access <standard-ACL-id>]
[[encrypted] [auth md5 <md5-password> | sha <sha-password>]
[priv [encrypted] des <des-password-key> | aes <aes-password-key>]]]
The <name> parameter defines the SNMP user name or security name used to access the
management module.
The <groupname> parameter identifies the SNMP group to which this user is associated or
mapped. All users must be mapped to an SNMP group. Groups are defined using the snmp-server
group command.
NOTE
The SNMP group to which the user account will be mapped should be configured before creating the
user accounts; otherwise, the group will be created without any views. Also, ACL groups must be
configured before configuring user accounts.
The v3 parameter is required.
The access <standard-ACL-id> parameter is optional. It indicates that incoming SNMP packets are
filtered based on the ACL attached to the user account.
NOTE
The ACL specified in a user account overrides the ACL assigned to the group to which the user is
mapped. If no ACL is entered for the user account, then the ACL configured for the group will be used
to filter packets.
The encrypted parameter means that the MD5 or SHA password will be a digest value. MD5 has
16 octets in the digest. SHA has 20. The digest string has to be entered as a hexadecimal string.
In this case, the agent need not generate any explicit digest. If the encrypted parameter is not
used, the user is expected to enter the authentication password string for MD5 or SHA. The agent
will convert the password string to a digest, as described in RFC 2574.
The auth md5 | sha parameter is optional. It defines the type of encryption that the user must
have to be authenticated. Choose between MD5 or SHA encryption. MD5 and SHA are two
authentication protocols used in SNMP version 3.
The <md5-password> and <sha-password> define the password the user must use to be
authenticated. These password must have a minimum of 8 characters. If the encrypted parameter
is used, then the digest has 16 octets for MD5 or 20 octets for SHA.
NOTE
Once a password string is entered, the generated configuration displays the digest (for security
reasons), not the actual password.
The priv [encrypted] parameter is optional after you enter the md5 or sha password. The priv
parameter specifies the encryption type (DES or AES) used to encrypt the privacy password. If the
encrypted keyword is used, do the following:
• If DES is the privacy protocol to be used, enter des followed by a 16-octet DES key in
hexadecimal format for the <des-password-key>. If you include the encrypted keyword, enter a
password string of at least 8 characters.