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Alteon Application Switch Operating System Application Guide
Filtering and Traffic Manipulation
368
Document ID: RDWR-ALOS-V2900_AG1302
Redirecting Traffic with a Semi-Transparent Server and Return to Proxy
When redirecting traffic with a semi-transparent server, the client traffic is redirected to a VAS
server group through a proxy server, changing the destination IP and destination port. By using
reverse session, an opposite entry is added to the session table so that the return traffic matches its
source MAC address and is redirected to the VAS server group. The return traffic is then redirected
back to the proxy server and its source IP and source port are translated back to the original before
returning to the client.
Figure 55: Redirecting Traffic with a Semi-Transparent Server and Return to Proxy
To redirect traffic with a semi-transparent server and return to proxy
1. Configure Filter 10 to redirect traffic to Real Server Group 10 (VAS server).
>> # /cfg/slb/filt 10
(Select the menu for Filter 10)
>> Filter 10# sip 1.1.0.0
(From a specific source IP address)
>> Filter 10# smask 255.255.0.0
(From a specific source IP mask)
>> Filter 10# dip any
(To any network destination address)
>> Filter 10# dmask 0.0.0.0
(For any subnet range)
>> Filter 10# proto tcp
(For TCP protocol traffic)
>> Filter 10# rport 8080
(To real server port 8080)
>> Filter 10# dport http
(To any destination port)
>> Filter 10# ipver v4
(Set filter IP version to IP Version 4)
>> Filter 10# action redirect
(Redirect matching traffic)