3com S7906E Instruccion De Instalación

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1-5 
To do… 
Use the command… 
Remarks 
Configure the maximum size of 
an SNMP packet that can be 
received or sent by an SNMP 
agent 
snmp-agent packet max-size 
byte-count 
Optional 
1,500 bytes by default. 
 
 
The validity of a USM user depends on the engine ID of the SNMP agent. If the engine ID generated 
when the USM user is created is not identical to the current engine ID, the USM user is invalid. 
 
Configuring SNMP Logging 
Introduction to SNMP Logging 
SNMP logs the Get and Set operations that the NMS performs on the SNMP agent. When the GET 
operation is performed, the agent logs the IP address of the NMS, node name of the GET operation and 
OID of the node. When the SET operation is performed, the agent logs the IP address of the NMS, node 
name of the SET operation, OID of the node, the value configured and the error code and error index of 
the SET response. These logs will be sent to the information center, and the level of them is 
informational, that is, they are taken as the system prompt information. With parameters for the 
information center configured, the output rules for SNMP logs are decided (that is, whether the logs are 
permitted to display and the output destinations). 
SNMP logs Get requests, Set requests and Set responses, but does not log Get responses. 
Enabling SNMP Logging 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
— 
Enable SNMP logging 
snmp-agent log all 
get-operation 
set-operation 
Required 
Disabled by default. 
Configure SNMP log output 
rules 
info-center source 
{ module-name | default 
channel { channel-number | 
channel
-name } [ debug { level 
severity | state state } * | log 
{ level severity | state state } * | 
trap { level severity | state 
state } * ] * 
Optional 
By default, SNMP logs are 
output to loghost and logfile 
only. To output SNMP logs to 
other destinations such as the 
console or a monitor terminal, 
you need to set the output 
destinations with this 
command.