Alteon Application Switch Operating System Application Guide
WAN Link Load Balancing
652 Document ID: RDWR-ALOS-V2900_AG1302
Step 5—Configure the Virtual Server IP Address and the Services for Each ISP
All client requests are addressed to a virtual server IP address on a virtual server defined on Alteon.
Clients acquire the virtual server IP address through normal DNS resolution. In this example, HTTP
and FTP are configured as the services running on this virtual server, and this service is associated
with the real server group.
Other TCP/IP services can be configured in a similar fashion. For a list of other well-known services
and ports, see Table 20 - Well-Known Application Ports, page 175
. To configure multiple services,
see Configuring Multiple Service Ports, page 197.
Note: Define a virtual server IP address for each ISP.
Step 5a—Configure the Virtual Server IP Address and the Services for ISP 1
Define a virtual server and add the services and real server group for ISP 1.
1. Configure a virtual server for ISP 1.
2. Add HTTP and FTP services for the virtual server.
Step 5b—Configure the VIrtual Server IP Address and the Services for ISP 2
Define a virtual server and add the services and real server group for ISP 2.
1. Configure a virtual server for ISP 2.
>> # /cfg/slb/virt 1
(Select the virtual server)
>> Virtual Server 1# vip 50.1.1.100
(Set IP address from the ISP 1 subnet)
>> Virtual Server 1# ena
(Enable virtual server)
>> # /cfg/slb/virt 1
(Select the virtual server)
>> Virtual Server 1# service 80
(Add the HTTP service)
>> Virtual Server 1 HTTP Service# ena
(Enable the service)
>> Virtual Server 1 HTTP Service# group 3
(Add real server group)
>> Virtual Server 1 HTTP Service#...
(Go to the virtual server menu)
>> Virtual Server 1# service ftp
(Add the FTP service)
>> Virtual Server 1 ftp Service# ena
(Enable the service)
>> Virtual Server 1 ftp Service# group 3
(Add real server group)
>> # /cfg/slb/virt 2
(Select the virtual server)
>> Virtual 1 Server 2# vip 80.1.1.1
(Set IP address from the ISP 1 subnet)
>> Virtual Server 1 Server 2# ena
(Enable virtual server)
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