The L4-7 SLB devices are used for scaling websites, building web enabled applications, and migrating to web services. The following services ( but not limited to ) can be provided by L4-7 slb devices: SLB ( Server Load Balancing ) FW ( Firewall ) SSL ( Secure Socket Layer ) IDS ( Intrusion Detection System ) . This MIB provides the tables/objects that support redundancy configuration and redundancy statistics. The redundancy model supported by this MIB allows two or more SLB devices to be configured with one or more redundancy group. Each redundancy group is identified by a unique group ID. Two or more devices are redundant to each other if they use the same redundancy Group ID. Acronyms and terms: HB Heart Beat FT Fault Tolerant HA High Availability VLAN Virtual Local Area Network LB Load Balance