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8. Network and System Management
This chapter describes the tools for managing the network traffic to optimize its performance and
the system management features of the VPN firewall. The chapter contains the following
sections:
• Performance Management
• System Management
Performance Management
• Bandwidth Capacity
• Features That Reduce Traffic
• Features That Increase Traffic
• Use QoS and Bandwidth Assignment to Shift the Traffic Mix
• Monitoring Tools for Traffic Management
Performance management consists of controlling the traffic through the VPN firewall so that
the ne
cessary traffic gets through when there is a bottleneck. You can either reduce
unnecessary traffic or reschedule some traffic to low-peak times to prevent bottlenecks from
occurring in the first place. The VPN firewall has the necessary features and tools to help the
network manager accomplish these goals.
Bandwidth Capacity
The maximum bandwidth capacity of the VPN firewall in each direction is as follows:
• LAN side. 40
00 Mbps (four LAN ports at 1000 Mbps each)
• WA
N side
- Load b
alancing mode. 4000 Mbps (four WAN ports at 1000 Mbps each)
- Au
to-rollover mode. 1000 Mbps (one active WAN port at 1000 Mbps)
- Single
WAN port mode. 1000 Mbps (one active WAN port at 1000 Mbps)