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SoftWLC uses additional open-source software for its work. Description and configuration parameters of each service are given below.

snmpd

Description

snmpd service is used for EMS servers' parameters and reservation system monitoring. The service also generates alert messages if reservation system failures occur.

Starting/stopping procedure

snmpd server starts automatically together with the server.

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* snmpd is not running

if it is not.

Configuration

snmpd service configuration file is located in /etc/snmp/snmpd.conf with the following contents:

# sec.name source community
#com2sec paranoid default public
com2sec readonly default public
com2sec readwrite default private
# readwrite ON for Keepalived SNMP SET support 
####
# Second, map the security names into group names: 
# sec.model sec.name
group MyROSystem v1 paranoid
group MyROSystem v2c paranoid
group MyROSystem usm paranoid
group MyROGroup v1 readonly
group MyROGroup v2c readonly
group MyROGroup usm readonly
group MyRWGroup v1 readwrite
group MyRWGroup v2c readwrite
group MyRWGroup usm readwrite 
####
# Third, create a view for us to let the groups have rights to: 
# incl/excl subtree mask
view all included .1 80
view system included .1.3.6.1.2.1.1
#view system included .iso.org.dod.internet.mgmt.mib-2.system 
####
# Finally, grant the 2 groups access to the 1 view with different
# write permissions: 
# context sec.model sec.level match read write notif
access MyROSystem "" any noauth exact system none none
access MyROGroup "" any noauth exact all none none
access MyRWGroup "" any noauth exact all all none 
syslocation Unknown (configure /etc/snmp/snmpd.conf)
syscontact Root <root@localhost> (configure /etc/snmp/snmpd.conf)
# For Keepalived SNMP support
master agentx

tftp-hpa

Description

The service is intended to update access point firmware using TFTP and to get packet-capture results from an access point.

Configuration

The service is configured via EMS GUI. Select Administration → EMS server configuration → System modules. In the opened window, select tftpserver in the list on the left.

ntpd

Description

NTP — time synchronization service which is used to provide correct logging.

Starting/stopping procedure

To stop the service, the following command is used:

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hwclock --systohc

Configuration

/etc/ntp.conf — time synchronization configuration. Specify NTP servers in the configuration file.

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select your region and time zone in the opened window.

rsyslog

Description

The process sends syslog from the server to MySQL database.

Starting/stopping procedure

To stop the service, the following command is used:

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* rsyslog is not running

if it is not.

Configuration

Specify syslog message format and message processing rules in /etc/rsyslog.d/mysql.conf:

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