3com 4500 50-PORT User Manual

C

HAPTER

 12: U

SING

 S

YSTEM

 M

ANAGEMENT

 C

OMMANDS

snmp-agent usm-user { v1 | v2c } username groupname [ acl acl-list ]

 groupname [ authentication-mode { 

md5 | sha } authpassstring [ privacy-mode { des56 privpassstring }]] 

 

 ]

undo snmp-agent usm-user v3 username groupname { local | engineid 

engine-id }

System view

 Enter the user name, up to 32 characters in length.

 Enter the group name corresponding to that user, up to 32 characters 

in length.

 Specifies the use of v1 safe mode.

 Specifies the use of v2c safe mode. 

 Specifies the use of v3 safe mode. 

Specifies the use of authentication.

 Specifies that the MD5 algorithm is used in authentication. MD5 

authentication uses a128-bit password. The computation speed of MD5 is faster 
than that of SHA

 Specifies that the SHA algorithm is used in authentication. SHA 

authentication uses a 160-bit password. The computation speed of SHA is slower 
than that of MD5, but SHA offers higher security.

 Enter the authentication password, up to 64 characters in 

length.

 Specifies the use of authentication and encryption.

 Specifies that the DES encryption algorithm is used. Must be entered if 

you enter the 

 parameter.

Enter the encryption password with a character string, ranging 

from 1 to 64 bytes.

acl acl-list: 

Enter the access control list for this user, based on USM name.

Use the 

 command to add a new community name or, if 

you use the V3 parameter, a new user to an SNMP group.