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V7122 GatewayUser Guide
SNMP Ports
The SNMP Request Port is 161 and the Trap Port is 162. These ports can be changed by
setting parameters in the device
ini
file. The parameter name is:
SNMPPort = <port_number>
Valid UDP port number; default = 161
This parameter specifies the port number for SNMP requests and responses. Usually, it
should not be specified. Use the default.
Multiple SNMP Trap Destinations
An agent can send traps to up to five managers. For each manager, set the manager’s IP
address, receiving port number and enable sending traps to that manager.
The user also has the option of associating a trap destination with a specific SNMPv3 USM
user. Traps are then sent to that trap destination using the SNMPv3 format and the
authentication and privacy protocol configured for that user.
To configure the trap managers table use:
The Embedded Web Server, see
Configuring the SNMP Managers Table
.
The
ini
file, see
Trap Managers Configuration Using the ini File
.
SNMP,
see
Trap Mangers Configuration Using SNMP
.
Configuring Trap Manger Using Host Name
One of the five available SNMP managers can be defined using a FQDN. In the current
version, this option can only be configured using the
ini
file (SNMPTrapManagerHostName).
The gateway tries to resolve the host name at start up. Once the name is resolved (IP is
found), the resolved IP address replaces the last entry in the trap manager table (defined by
the parameter SNMPManagerTableIP_x) and the last trap manager entry of
snmpTargetAddrTable in the snmpTargetMIB. The port is 162 (unless specified otherwise),
the row is marked as ‘used’ and the sending is ‘enabled’.
When using 'host name' resolution, any changes made by the user to this row in either MIBs
are overwritten by the gateway when a resolving is redone (once an hour).
Several traps may be lost until the resolving is complete
Configuring Trap Managers Using the
ini
File
In the IPMedia
ini
file, the parameters below can be set to enable or disable the sending of
SNMP traps. Multiple trap destinations can be supported on the device by setting multiple
trap destinations in the
ini
file.
Summary of Contents for VCX V7122
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