Cisco AP541N Dual-band Single-radio Access Point Administration ...
Cisco AP541N Dual-band Single-radio Access Point Administration ... Cisco AP541N Dual-band Single-radio Access Point Administration ...
5SNMPConfiguring SNMP on the Access PointTable 25FieldSNMP Settings (Continued)Restrict the source ofSNMP requests toonly the designatedhosts or subnetsHostname, address orsubnet of NetworkManagement SystemDescriptionYou can restrict the source of permitted SNMP requests.To restrict the source of permitted SNMP requests, clickEnabled.To permit any source submitting an SNMP request, clickDisabled.Specify the IPv4 DNS hostname or subnet of themachines that can execute get and set requests to themanaged devices.As with community names, this provides a level ofsecurity on SNMP settings. The SNMP agent only acceptsrequests from the hostname or subnet specified here.To specify a subnet, enter one or more subnetworkaddress ranges in the form address/mask_lengthwhere address is an IP address and mask_length is thenumber of mask bits. Both formats address/mask andaddress/mask_length are supported. Individual hostscan be provided for this, i.e. I.P Address or Hostname. Forexample, if you enter a range of 192.168.1.0/24 thisspecifies a subnetwork with address 192.168.1.0 anda subnet mask of 255.255.255.0.The address range is used to specify the subnet of thedesignated NMS. Only machines with IP addresses in thisrange are permitted to execute get and set requests onthe managed device. Given the example above, themachines with addresses from 192.168.1.1 through192.168.1.254 can execute SNMP commands on thedevice. (The address identified by suffix .0 in asubnetwork range is always reserved for the subnetaddress, and the address identified by .255 in the rangeis always reserved for the broadcast address).As another example, if you enter a range of10.10.1.128/25, machines with IP addresses from10.10.1.129 through 10.10.1.254 can executeSNMP requests on managed devices. In this example,10.10.1.128 is the network address and 10.10.1.255is the broadcast address. 126 addresses are designated.107 Cisco AP 541N Dual-band Single-radio Access Point Quick Start Guide
SNMPConfiguring SNMP on the Access Point5Table 25FieldCommunity name fortrapsSNMP Settings (Continued)DescriptionEnter the global community string associated with SNMPtraps.Traps sent from the device provide this string as acommunity name.Hostname or IPaddressThe community name can be in any alphanumeric format.Special characters are not permitted. Double quote (") isnot a valid character.Enter the DNS hostname of the computer to which youwant to send SNMP traps. An example of a DNShostname is: snmptraps.foo.com. Since SNMP trapsare sent randomly from the SNMP agent, it makes senseto specify where exactly the traps should be sent. Youcan add up to a maximum of three DNS hostnames.Select the Enabled check box beside the appropriatehostname.NOTEAfter you configure the SNMP settings, you must click Apply to apply the changesand to save the settings. Changing some settings might cause the access point tostop and restart system processes. If this happens, wireless clients will temporarilylose connectivity. We recommend that you change access point settings whenWLAN traffic is low.Configuring SNMP ViewsA MIB view is combination of a set of view subtrees or a family of view subtreeswhere each view subtree is a subtree within the managed object naming tree. Youcan create MIB views to control the OID range that SNMPv3 users can access.A MIB view called all that contains all management objects supported by thesystem is created by default.Cisco AP 541N Dual-band Single-radio Access Point Quick Start Guide 108
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SNMPConfiguring SNMP on the <strong>Access</strong> <strong>Point</strong>5Table 25FieldCommunity name fortrapsSNMP Settings (Continued)DescriptionEnter the global community string associated with SNMPtraps.Traps sent from the device provide this string as acommunity name.Hostname or IPaddressThe community name can be in any alphanumeric format.Special characters are not permitted. Double quote (") isnot a valid character.Enter the DNS hostname of the computer to which youwant to send SNMP traps. An example of a DNShostname is: snmptraps.foo.com. Since SNMP trapsare sent randomly from the SNMP agent, it makes senseto specify where exactly the traps should be sent. Youcan add up to a maximum of three DNS hostnames.Select the Enabled check box beside the appropriatehostname.NOTEAfter you configure the SNMP settings, you must click Apply to apply the changesand to save the settings. Changing some settings might cause the access point tostop and restart system processes. If this happens, wireless clients will temporarilylose connectivity. We recommend that you change access point settings whenWLAN traffic is low.Configuring SNMP ViewsA MIB view is combination of a set of view subtrees or a family of view subtreeswhere each view subtree is a subtree within the managed object naming tree. Youcan create MIB views to control the OID range that SNMPv3 users can access.A MIB view called all that contains all management objects supported by thesystem is created by default.<strong>Cisco</strong> AP 541N <strong>Dual</strong>-<strong>band</strong> <strong>Single</strong>-<strong>radio</strong> <strong>Access</strong> <strong>Point</strong> Quick Start Guide 108
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