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Enabling SNMP Traps
SNMP traps can be
Enabled
or
Disabled
, globally on the switch, using the
SNMP Traps
Settings
link to open the SNMP Traps Settings page, as shown below.
Figure 4- 84. PIM-DM Global Setting Page
Select
Enabled
or
Disabled
, as appropriate.
SNMP User Table
The SNMP User Table displays all of the SNMP User’s currently configured on the switch.
Open the
Configuration
folder and then the
SNMP Manager
folder.
Finally click on the
SNMP User Table
link.
This will open the
SNMP User Table
, as shown below.
Figure 5- 1. SNMP User Table
To delete an existing SNMP User Table entry, click on the
X
icon below the
Delete
heading
corresponding to the entry you want to delete.
To display the detailed entry for a given user, click on the hyperlinked
User Name
.
This will
open the
SNMP User Table Display
page, as shown below.
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Figure 5- 2. SNMP User Table Display
The following parameters are displayed:
Parameter
Description
User Name
An alphanumeric string of up to 32 characters.
This is used to identify the
SNMP users.
Group Name
This name is used to specify the SNMP group created can request SNMP
messages.
SNMP Version
V1
– Indicates that SNMP version 1 will be used.
V2
– Indicates that SNMP version 2 will be used.
V3
– Indicates that SNMP version 3 will be used.
Auth-Protocol
None
−
Indicates that no authorization protocol is in use.
MD5
−
Indicates that the HMAC-MD5-96 authentication level will be used.
SHA
−
Indicates that the HMAC-SHA authentication protocol will be used
.
Priv-Protocol
None
−
Indicates that no authorization protocol is in use.
DES
−
Indicates that DES 56-bit encryption is in use based on the CBC-
DES (DES-56) standard.
To add a new entry to the
SNMP User Table Configuration
, click on the Add button on the
SNMP User Table
page.
This will open the
SNMP User Table Configuration
page, as
shown below.
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Figure 5- 3. SNMP User Table Configuration
The following parameters can set:
Parameter
Description
User Name
An alphanumeric string of up to 32 characters.
This is used to identify the
SNMP users.
Group Name
This name is used to specify the SNMP group created can request SNMP
messages.
SNMP Version
V1
– Specifies that SNMP version 1 will be used.
V2
– Specifies that SNMP version 2 will be used.
V3
– Specifies that SNMP version 3 will be used.
Auth-Protocol
None
−
Specifies that no authorization protocol is in use.
MD5
−
Specifies that the HMAC-MD5-96 authentication level will be used.
SHA
−
Specifies that the HMAC-SHA authentication protocol will be used.
Priv-Protocol
None
−
Specifies that no authorization protocol is in use.
DES
−
Specifies that DES 56-bit encryption is in use, based on the CBC-
DES (DES-56) standard.
encrypted
Checking the corresponding box will enable encryption for SNMP V3 and is
only operable in SNMP V3 mode.
SNMP View Table
The
SNMP View Table
is used to assign views to community strings that define which MIB
objects can be accessed by a remote SNMP manager. To view the
SNMP View Table
, open
the
SNMP Manager
folder in the
Configuration
folder and click the
SNMP View Table
entry. The following screen should appear:
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Figure 5- 4. SNMP View Table
To delete an existing
SNMP View Table
entry, click the selection button on the far left that
corresponds to the port you want to configure and click the
Delete
button. To create a new
entry, click the
Add
button, a separate menu will appear.
Figure 5- 5. SNMP View Table Configuration
The SNMP Group created with this table maps SNMP users (identified in the
SNMP User
Table
) to the views created in the previous menu.
The following parameters can set:
Parameter
Description
View Name
Type an alphanumeric string of up to 32 characters.
This is used to
identify the new SNMP view being created.
Subtree OID
Type the Object Identifier (OID) Subtree for the view. The OID identifies an
object tree (MIB tree) that will be included or excluded from access by an
SNMP manager.
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SNMP manager.
View Type
Select
Included
to include this object in the list of objects that an SNMP
manager can access. Select
Excluded
to exclude this object from the list
of objects that an SNMP manager can access.
SNMP Group Table
An SNMP Group created with this table maps SNMP users (identified in the
SNMP User
Table
) to the views created in the previous menu. To view the
SNMP Group Table
, open the
SNMP Manager
folder in the
Configuration
folder and click the
SNMP Group Table
entry.
The following screen should appear:
Figure 5- 6. SNMP Group Table
To delete an existing SNMP Group Table entry, click the corresponding
X
icon under the
Delete
heading.
To display the current settings for an existing
SNMP Group Table
entry, click the blue hyper
link for the entry under the
Group Name
heading.
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