EMC DL3D 1500 Administrator's Manual page 50

Configuring DL3D 1500/3000
50 EMC DL3D 1500 and DL3D 3000 Administrator's Guide
with the network mask associated with the supplied community
name, and the request will be honored if the request is equal to the IP
address entered.
• Subnet mask in the Network Mask field.
Note: A network mask of 0.0.0.0 will disable the IP address access
control for the community. If not disabled, the source address of an
SNMP request is logically ANDed with the network mask entered,
and the request will be honored if the result is equal to the network IP
address. When you want to provide access to a range of IP addresses
in the community, the network mask must have the same number of
zeroes in the same address octets as the IP address.
Examples of IP address and network mask combinations are
as follows:
– IP address: 153.203.16.65 Network mask: 255.255.16.65
This allows only server 153.203.16.65 to have access.
– IP address: 153.203.16.0 Network mask: 255.255.16.0
This allows only servers in the range of 153.203.16.xx to
have access.
– IP address: 153.203.0.0 Network mask: 255.255.0.0
This allows only servers in the range of 153.203.xx.xx to
have access.
– IP address: 153.0.16.0 Network mask: 255.0.16.0
This allows only servers in the range of 153.xx.16.xx to
have access.
• Access rights for the new community:
– Get allows SNMP get operations
– Get/Set allows both SNMP get and set operations
3. Select Enable to enable this SNMP community.
4. Click Apply.
An Information page is displayed indicating the community has
been added.