User's Manual

Figure 7:14 SNMP Services Settings
7.4.3.1 SNMP Settings – Field Descriptions
Field Name Description
SNMP This field is to enable or disable the SNMP services.
The default SNMP setting is “Enable”
Location SNMP Location information
The default Location is “anonymous”
Community Name SNMP community Name.
The default Community Name is “public”
Contact SNMP contact name
The default Contact is “anonymous”
SNMP Manager I P This is the SNMP Manager I P address. This is the I P
SNMP would choose to send the traps.
The default IP is “192.168.1.2”
7.4.4 Firewall and NAT
7.4.4.1 Firewall
Access Control Lists (ACLs) allow the LibraPlus to permit or deny packets from specific
IP addresses to specific destination IP addresses and ports. They also allow the
LibraPlus to specify different types of traffic such as I CMP, TCP or UDP.
Passing packets are compared to ACL entries based on the order that the entries occur
in the list. New statements are added to the end. When a matching entry is found, the
permit or deny action is immediately applied to the packet. For this reason, you should
have frequently hit entries at the top of the list. I n addition, the last ACL entry should
be the default policy that blocks or transmits all the previously unmatched packets.
7.4.4.2 Network Address Translation (NAT)
Network Address Translation (NAT, also known as Network Masquerading) is a
LibraPlus 5860 User Guide Conf iguration: Network Services Page 56 of 95