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67UPS Network Management Card 2 User’s Guide
SNMP
All user names, passwords, and community names for SNMP are transferred over the network as plain
text. If your network requires the high security of encryption, disable SNMP access or set the access for
each community to Read. (A community with Read access can receive status information and use SNMP
traps.)
When using InfraStruXure Central to manage a UPS on the public network of an InfraStruXure system,
you must have SNMP enabled in the Management Card interface. Read access will allow the
InfraStruXure device to receive traps from the Management Card, but Write access is required while you
use the interface of the Management Card to set the InfraStruXure device as a trap receiver.
For detailed information on enhancing and managing the security of your system, see the
Security Handbook, available on the APC Network Management Card Utility CD or from the
APC Web site, www.apc.com.
SNMPv1
Path: Administration > Network > SNMPv1 > options
Option Description
access Enable SNMPv1 Access: Enables SNMP version 1 as a method of communication with this
device.
access
control
You can configure up to four access control entries to specify which Network Management
Systems (NMSs) have access to this device. The opening page for access control, by default,
assigns one entry to each of the four available SNMPv1 communities, but you can edit these
settings to apply more than one entry to any community to grant access by several specific IPv4
and IPv6 addresses, host names, or IP address masks. To edit the access control settings for a
community, click its community name.
• If you leave the default access control entry unchanged for a community, that community has
access to this device from any location on the network.
• If you configure multiple access control entries for one community name, the limit of four entries
requires that one or more of the other communities must have no access control entry. If no
access control entry is listed for a community, that community has no access to this device.
Community Name: The name that an NMS must use to access the community. The maximum
length is 15 ASCII characters, and the default community names for the four communities are
public, private, public2, and private2.
NMS IP/Host Name: The IPv4 or IPv6 address, IP address mask, or host name that controls
access by NMSs. A host name or a specific IP address (such as 149.225.12.1) allows access only
by the NMS at that location. IP addresses that contain 255 restrict access as follows:
• 149.225.12.255: Access only by an NMS on the 149.225.12 segment.
• 149.225.255.255: Access only by an NMS on the 149.225 segment.
• 149.255.255.255: Access only by an NMS on the 149 segment.
• 0.0.0.0 (the default setting) which can also be expressed as 255.255.255.255: Access by any
NMS on any segment.
Access Type: The actions an NMS can perform through the community.
• Read: GETS only, at any time
• Write: GETS at any time, and SETS when no user is logged onto the Web interface or command
line interface.
• Write+: GETS and SETS at any time.
• Disable: No GETS or SETS at any time.