SNMP
SNMP Engine ID
451
Cisco Small Business 300 Series Managed Switch Administration Guide
23
Local information is stored in four MIB variables that are read-only (snmpEngineId,
snmpEngineBoots, snmpEngineTime, and snmpEngineMaxMessageSize).
!
CAUTION
When the engine ID is changed, all configured users and groups are erased.
To define the SNMP engine ID:
STEP 1
Click
SNMP
>
Engine ID
.
STEP 2
Choose which to use for
Local Engine ID
.
•
Use Default
—Select to use the device-generated engine ID. The default
engine ID is based on the device MAC address, and is defined per standard
as:
-
First 4 octets
—First bit = 1, the rest is the IANA enterprise number.
-
Fifth octet
—Set to 3 to indicate the MAC address that follows.
-
Last 6 octets
—MAC address of the device.
•
None
—No engine ID is used.
•
User Defined
—Enter the local device engine ID. The field value is a
hexadecimal string
(range: 10 - 64)
. Each byte in the hexadecimal character
strings is represented by two hexadecimal digits.
All remote engine IDs and their IP addresses are displayed in the Remote Engine
ID table.
STEP 3
Click
Apply
. The Running Configuration file is updated.
The Remote Engine ID table shows the mapping between IP addresses of the
engine and Engine ID. To add the IP address of an engine ID:
STEP 4
Click
Add
. Enter the following fields:
•
Server Definition
—Select whether to specify the Engine ID server by IP
address or name.
•
IP Version
—Select the supported IP format.
•
IPv6 Address Type
—Select the IPv6 address type (if IPv6 is used). The
options are:
