Avaya P333R-LB 用户手册
Chapter 14
Load Balancing in the P333R-LB
Avaya
P333R-LB User’s Guide
17
this scenario, the firewalls are configured to perform NAT for some hosts, and not
for other hosts. Alternatively, the firewalls may be configured to assign a specific
NAT address to a specific host. In this case, two load balancers are required, one on
each side of the firewalls.
for other hosts. Alternatively, the firewalls may be configured to assign a specific
NAT address to a specific host. In this case, two load balancers are required, one on
each side of the firewalls.
NAT Configuration Example
The following figure illustrates non-Transparent Routing FWLB using NAT.
Figure 14.5
Non-Transparent Routing FWLB Sample NAT Configuration
Note:
The P333R-LB performs load balancing on traffic that arrives to its routing
interfaces. Therefore, IP routes in the network must be configured to pass through
the P333R-LB.
the P333R-LB.
To configure your network as in Figure 14.5, the following should be done:
•
•
The LAN routers (or hosts) should be configured with 10.4.1.3 as the next hop
toward the WAN (the default gateway in many cases).
toward the WAN (the default gateway in many cases).
•
The access router should be configured with 193.170.1.3 as the next hop toward
the LAN.
the LAN.
•
The firewalls should be configured with 10.1.1.3 as the next hop towards the
LAN and 193.170.1.3 toward the WAN.
LAN and 193.170.1.3 toward the WAN.
The following configuration file is a result of configuring your network as shown in
Figure 14.5:
Figure 14.5:
-----------------
P333R-LB
-----------------
hostname "P333R-LB"
!
Internet
10.1.1.3
10.1.1.1
10.1.1.2
NAT 1=193.170.1.1
NAT 2=193.170.1.2
193.170.1.3
10.4.1.3
LAN
Server
Server
Firewall 1
RSG fw-group
P333R-LB
Access Router
Firewall 2