Enable SNMP Trap on a Cisco device (1)

SNMP Trap is a protocol function in the SNMP protocol. In many devices, we use this self-trapping function for some management. So let's talk about some SNMP Traps in Cisco today.

Configure a Cisco IOS device

In the Enable status of IOS, click config terminal to enter the global configuration status.

Enable Cdp run

 
 

  
  
Snmp-server community gsunion ro
  
  
Configure the read-only string of this vro as gsunion
  
  
Snmp-server community gsunion rw
  
  
Configure the read/write string of the vro as gsunion.
  
  
Snmp-server enable traps
  
  
Allow routers to send all types of SNMP traps
  
  
Snmp-server host IP-address-server traps trapcomm
  
  
The receiver of the SNMP Trap on the specified router is 10.238.18.17. trapcomm is used as the string for sending the Trap.
  
  
Snmp-server trap-source loopback0
  
  
Use the IP address of the loopback interface as the sending Source Address of the SNMP Trap.
  
  
Logging on
  
  
Start log Mechanism
  
  
Logging IP-address-server
  
  
Send the log record to the syslog server on 10.238.18.17 (IP address of the CW2K installation machine)
  
  
Logging facility local7
  
  
Define the record event type as local7
  
  
Logging trap warning
  
  
Define the Severity Level of the recorded event as from warningl to the syslog server specified in the front.
  
  
Logging source-interface loopback0
  
  
Specify the loopback0 IP address as the sending Source Address of the recorded event
  
  
Service timestamps log datetime
  
  
The time mark is included when a record event is sent.
  
  
Enable password ******
  
  
Line tty 0 4
  
  
Password ******
  
  
Login local
  
  
Set the Enable password and Telnet Password
  
  
Show running
  
  
Copy running start or write terminal
  
  
Display and Check Configuration
  
  
Save Configuration
  
  
Set the CatOS Device
  
  
In the Enable status of CatOS
  
  
Set interface sc0 vlan id ip address
  
  
Configure the vlan id, IP address, and subnet mask of the local management interface of the switch
  
  
Set cdp enable all
 
 

Enable CDP

 
 

  
  
Set snmp community read-only gsunion
  
  
Set the read-only string of this switch to public.
  
  
Set snmp community read-write-all gsunion
  
  
Set the read/write string of the vswitch to private.
  
  
Set snmp trap server-ip gsunion
  
  
The receiver of the SNMP Trap on the specified switch is the network management server, and gsunion is used as the string for sending the Trap.
  
  
Set snmp trap enable all
  
  
Send all types of SNMP traps
  
  
Set snmp rmon enable
  
  
Activate the snmp rmon function of the vswitch.
  
  
Set logging server IP-address-server
  
  
Send the log record to the syslog server on the IP address of the network management server (IP address of the CW2K installation machine)
  
  
Set logging level 6
  
  
Define the Severity Level of recorded events as starting from informational to recording all events at the most urgent level to the syslog server specified at the front.
  
  
Set logging server facility local7
  
  
Define the record event type as local7
  
  
Set logging timestamp
  
  
The time mark is included when a record event is sent.
  
  
Set logging enable
  
  
Start log Mechanism
  
  
Set password ******
  
  
Set enablepass ******
 
 

Set the Enable password and Telnet Password

 
 

  
  
Show running
  
  
Write terminal display and Check Configuration
 
 

Save Configuration

Configure a PIX Device

Logging on enables Logging on the PIX

Snmp-server community gsunion: configure the community String gsunion for the PIX Device

Snmp-server enable traps configure the PIX device to send SNMP messages to the Network Management server

Snmp-server host server-ip configure the SNMP network management server on the PIX Device

Logging history warning

Set the warning level for log messages of the snmp system of the pix device.