How to enable SNMPv1 and v2c on a Cisco Switch running IOS
This discussion assumes that you are familiar
with how to access Command Line Interface (CLI) using a
serial cable and terminal program such as TeraTerm.
Background: Cisco does not
typically enable SNMP by default. You can enable SNMP v1/v2c
with one command in config.
How to enable
SNMP
from CLI. Please enter these commands in this order
(bold):
Switch>enable
Switch#show
running-config | include snmp-server (looks for
entries beginning with snmp-server - if they exist.
Please review them and check with Cisco documentation to
find out what they do)
Switch#config term
Switch(config)#snmp-server community public RO (this turns on the
snmp server and makes the read-only community name
'public')
Switch(config)#Ctrl-z
Switch#copy running-config startup-config
(this copies the current running configuration so that
when it's rebooted it comes back)
How to disable all SNMP on a Cisco Switch running IOS
This discussion assumes that you are familiar
with how to access Command Line Interface (CLI) using a
serial cable and terminal program such as TeraTerm.
Background: Cisco does not
typically enable SNMP by default. Turning off SNMP is
just as easy as turning it on.
How to disable
SNMP from
CLI. Please enter these commands in this order
(bold):
Switch>enable
Switch#show
running-config | include snmp-server (verify there
are snmp-server entries, if not then SNMP is not
running)
Switch#config term
Switch(config)#no snmp-server
Switch(config)#Ctrl-z
Switch#copy running-config startup-config (this copies
the current running configuration so that when it's
rebooted it comes back)
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