12CHAPTER 1: INTRODUCING THE SERVER LOAD BALANCER
About the Server The SuperStack® 3 Server Load Balancer and Server Load Balancer Plus
Load Balancer provide support for connecting multiple
Summary of Table 3 summarizes the hardware features that are supported in both Hardware Features models of the Server Load Balancer.
Table 3 Hardware Features
| Server Load Balancer |
Feature | Server Load Balancer Plus |
|
|
Memory | ■ 64 MB for Server Load Balancer Plus |
| ■ 32 MB for Server Load Balancer |
12 10/100 LAN Ports | Supported |
2 Gigabit Ethernet Ports | Supported |
SuperStack 3 Architecture | ■ Connects to a SuperStack 3 Advanced |
| Redundant Power System (ARPS) |
| ■ Installs in a |
| mounting |
|
|
Summary of Software Table 4 summarizes the software features that are supported in both Features models of the Server Load Balancer.
Table 4 Software Features
| Server Load Balancer | |
Feature | Server Load Balancer Plus | |
|
|
|
Algorithms | ■ | Round Robin |
| ■ | Weighted Round Robin |
| ■ | Least Connections |
| ■ | Quickest Last Response |
| ■ | Quickest Average Response |
| ■ | Weighted Percentage |
Port Trunking (Etherchannel) | Supported | |
Up to 256 servers | Supported | |
TCP/IP Sessions | ■ | 16,000 for the Server Load Balancer |
| ■ 128,000 for the Server Load Balancer Plus | |
Persistence Modes | ■ | Source IP |
| ■ Secure Socket Layer (SSL) Session ID | |
| ■ | Cookie |