Router User Manual

Nortel Secure Router 8000 Series
Troubleshooting - VAS 4 NAT troubleshooting
Issue 01.01 (30 March 2009) Nortel Networks Inc. 4-5
Figure 4-4 Networking of the load balancing, flow control and BT speed control on the NAT
server
The internal
Ethernet of the
company
Internal PC
10.110.10.100
Internal PC
10.110.12.100
External PC
10.110.10.1 10.110.10.2 10.110.10.3
WWW Server1
SR8000
External PC
202.38.166.100/28
Eth1/0/1
202.38.160.108/28
Eth1/0/0
WWW Server2 WWW Server3
Internet 1
Internet 2
4.2.2 Configuration notes
When configuring NAT, you need to:
z
Identify the interfaces connecting the internal network and the interfaces connecting the
external network.
z
Check whether the outbound NAT or inbound NAT is used, that is, check whether NAT is
used as the gateway or NAT server.
Item Description
Configuring the association
between the ACL and the address
pool
Configure the association on the interface.
Configure the ACL rule and the address pool first.
Configuring of the internal server Configure the internal server on the interface.
The IP address of the public network must be in the
address pool.
Map the IP address of the internal router from the IP
address and port number to the IP address of the
public network and port number.