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Chapter 4: V-Switch Configuration 4-9
Changing the Telnet Communications Port
If your Telnet communications connection to the V-Switch traverses a firewall,
the standard Telnet communications port 23 may be blocked by the firewall as a
security measure. To enable Telnet communications to the V-Switch, you can
designate an alternate port using the CLI command device set -telnet.
This port can be opened in the firewall for dedicated Telnet-V-Switch
communications.
device set -telnet
Example:
The port 1597 is programmed as the Telnet communications port.
device set -telnet 1597
Use the CLI command info to check the V-Switch’s designated Telnet port.
Traps and SNMP
The V-Switch supports standard MIB s for monitoring and sends SNMP traps
that can be viewed by an SNMP manager/console. Any SNMP manager using
the correct default read and write communities can get and set MIB variables.
If you are working with StoragePro, the V-Switch GUI management system,
StoragePro will automatically add itself as the SNMP manager. The default
SNMP communities are public for read and private for write. The default
communities can be changed by an administrator.
Adding an SNMP Manager
To get trap notifications, an SNMP manager must be registered as a SNMP
manager in the database of the SNMP agent. You can register as a SNMP
manager by using CLI command snmp manager add.
snmp manager add
You need to define five parameters to add an SNMP manager:
SWITCH PARAMETER DEFINITION STATUS EXAMPLE
-ip
IP ADDRESS MANAGER IP
ADDRESS
MANDATORY
212.199.43.96
-p
UPD PORT PORT TO RECEIVE
TRAPS THROUGH
OPTIONAL
DEFAULT: 162
162
-rcom
READ COMMUNITY COMMUNITY FOR
MANAGER TO GET
INFORMATION
OPTIONAL
DEFAULT:
PUBLIC
public