Figure 7: Web Redirect Traffic Flow - Alcatel-Lucent 7450 ESS OS Configuration Manual

Filter Policy Configuration Overview
CUSTOMER'S COMPUTER
X>HTTP TCP SYN
X>HTTP TCP SYN ACK*
X>HTTP TCP ACK
HTTP GET
HTTP>X TCP ACK*
HTTP 302 (moved)*
X>HTTP TCP FIN ACK
HTTP>X TCP FIN ACK*
NORMAL HTTP WITH PORTAL
REDIRECT TO ORIGINAL WEBSITE
NORMAL HTTP WITH ORGINAL WEBSITE
Starred entries (*) are items the router performs masquerading as the destination, regardless of the
destination IP address or type of service.
Information needed by the filter that may be sent to the portal:
•
•
•
•
•
Note that the subscriber identification string is available only when used with subscriber
management. Refer to the subscriber management section of the 7450 ESS OS Triple Play Guide
and the 7450 ESS OS Router Configuration Guide.
Since most web sites are accessed using the domain name the router allows either DNS queries or
responds to DNS with the portal's IP address.
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SR/ESS

Figure 7: Web Redirect Traffic Flow

Customer's IP address
Customer's MAC address
Original requested URL
Customer's SAP
Customer's subscriber identification string
PORTAL WEBSITE
UPDATE POLICY
7450 ESS OS Router Configuration Guide
ORIGINAL WEBSITE