Figure 18: Web Redirect Traffic Flow - Alcatel-Lucent 7750 SR-OS Configuration Manual

ACL Filter Policy 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.
The following displays information that can optionally be added as variables in the portal URL
(http-redirect url):
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Page 420
SR/ESS

Figure 18: Web Redirect Traffic Flow

$IP – The customer's IP address.
$MAC – The customer's MAC address.
$URL – The original requested URL.
$SAP – The customer's SAP.
$SUB – The customer's subscriber identification string".
$CID — A string that represents the circuit-id or interface-id of the subscriber host
(hexadecimal format).
$RID — A string that represents the remote-id of the subscriber host (hexadecimal
format).
$SAPDESC – A configurable string that represents the configured SAP description.
PORTAL WEBSITE
UPDATE POLICY
7750 SR OS Router Configuration Guide
ORIGINAL WEBSITE