70
11.
(Optional.) Configure
the maximum SNMP
packet size (in bytes)
that the SNMP agent
can handle.
snmp-agent packet max-size
byte-count
By default, the maximum SNMP
packet size that the SNMP agent
can handle is 1500 bytes.
If the packet size of the requests
and responses that contain MIB
node information exceeds the
maximum packet size that the
agent can handle, operations from
the NMS fail.
access the age
configure a bigger packet size that
the agent can handle.
12. Specify the UDP port
packets.
snmp-agent port
port-number
By default, the device uses UDP
port 161 for receiving SNMP
packets.
Configuring SNMPv3 basic parameters
SNMPv3 users are managed in groups. All SNMPv3 users in a group share the same security
model, but can use different authentication and privacy key settings. To implement a security model
for a user and avoid SNMP communication failures, make sure the security model configuration for
the group and the security key settings for the user are compliant with Table 16 and match the
settings on the NMS.
Table 16 Basic security setting requirements for different security models
Security model
Security model
keyword for the
group
settings for the user
Remarks
privacy
privacy
privacy key
If the authentication key
or the privacy key is not
communication will fail.
privacy
authentication
Authentication key
If no authentication key is
communication will fail.
The privacy key (if any)
for the user does not take
effect.
privacy
Neither
authentication
nor
privacy
None
The authentication and
privacy keys, if
configured, do not take
effect.
To configure SNMPv3 basic parameters:
1. Enter system view.
N/A
2. (Optional.) Enable the SNMP
agent.
snmp-agent
By default, the SNMP agent is
disabled.
The SNMP agent is enabled
when you use any command that
begins with
snmp-agent
except
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