Cisco Systems 4.2 Network Card User Manual


 
4-16
Installing and Configuring Cisco Access Registrar, 4.2
OL-17221-02
Chapter 4 Configuring Cisco Access Registrar 4.2
Configuring Dynamic DNS
Trap Recipient
The following example shows the default configuration that sets up trap recipients for SNMP versions
v1 and v2c.
Note Most sites use a single NMS, not two as shown below.
# -----------------------------------------------------------------------------
trapcommunitytrapcom
trapsinkzubattrapcom162
trap2sinkponytatrapcom162
###############################################################################
Note trapsink is used in SNMP version 1; trap2sink is used in SNMP version 2.
trapcommunity defines the default community string to be used when sending traps. This command
must appear prior to trapsink or trap2sink which use this community string.
trapsink and trap2sink are defined as follows:
trapsink hostname community port
trap2sink hostname community port
System Contact Information
System contact information is provided in two variables through the snmpd.conf file, syslocation and
syscontact.
Look for the following lines in the snmpd.conf file:
###############################################################################
# System contact information
#
syslocation Your Location, A Building, 8th Floor
syscontact A. Person <someone@somewhere.org>
Restarting the Master Agent
You restart the CAR SNMP master agent by restarting the CAR server.
/opt/CSCOar/bin/arserver start
Configuring Dynamic DNS
Cisco AR supports the the Dynamic DNS protocol providing the ability to update DNS servers. The
dynamic DNS updates contain the hostname/IP Address mapping for sessions managed by Cisco AR.