3com 5500-ei pwr Guia De Referência

 

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Use the snmp-agent command to enable the SNMP agent. 

Use the undo snmp-agent command to disable the SNMP agent. 

Execution of the snmp-agent command or any of the commands used to configure the SNMP agent, 

you can start the SNMP agent. 

By default, the SNMP agent is disabled. 

# Start the SNMP agent. 

<Sysname> system-view 

System View: return to User View with Ctrl+Z. 

[Sysname] snmp-agent 

 

A Switch 5500-EI provides the following functions to prevent attacks through unused UDP ports. 

z 

Starting the SNMP agent opens UDP port used by SNMP agents and the UDP port used by SNMP 

trap respectively. 

z 

Shutting down the SNMP agent closes UDP ports used by SNMP agents and SNMP trap as well. 

 

snmp-agent calculate-password plain-password  mode  { md5 | sha } { local-engineid | 

specified-engineid engineid } 

System view 

plain-password: The plain-text password to be encrypted, in the range 1 to 64 characters. 

mode: Specifies the authentication algorithm used to encrypt a plain text password. 

md5: Uses HMAC MD5 algorithm. 

sha: Uses HMAC SHA algorithm, which is securer than MD5 algorithm. 

local-engineid: Uses the local engine ID to calculate the key. 

specified-engineid: Uses the specified engine ID to calculate the key. 

engineid: A case-insensitive hexadecimal string used for key calculation. The system capitalizes the 

string. The length of the string must be an even number and in the range 10 to 64 characters.