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By default, the SNMP agent is disabled.
Examples
# Start the SNMP agent.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] snmp-agent
An S3100 Ethernet switch 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
Syntax
snmp-agent calculate-password plain-password mode { md5 | sha } { local-engineid |
specified-engineid engineid }
View
System view
Parameters
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.
Description
Use the snmp-agent calculate-password command to encrypt a plain-text password to generate a
cipher-text one by using the specified encryption algorithm.
When creating an SNMPv3 user, if you specify an authentication or privacy password as in cipher text,
you need to use this command to generate a cipher text password by using the specified algorithm, and
copy the generated cipher text password to use.
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