ISEKI CISCO SYSTEMS OL-5450-10 - Manual (Page 23)

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Release Notes for VPN Client, Release 4.0 through Release 4.0.5.D
OL-5450-10
Usage Notes
America Online (AOL) Interoperability Issues
AOL Versions 5.0 and 6.0
The VPN Client supports AOL Version 5.0. AOL Version 6.0 is also supported,
with one limitation: when connected, browsing in the network neighborhood is
not available.
AOL Version 7.0
AOL Version 7.0 uses a proprietary heartbeat polling of connected clients. This
requires the use of split tunneling to support the polling mechanism. Without split
tunneling, AOL disconnects after a period of time between 5 and 30 minutes.
AOL 7 Disconnects after VPN Authentication
When making a dialup connection with AOL 7.0 Revision 4114.537 (for Windows
95, 98, ME, Windows 2000 and XP), then attempting to connect with the VPN
Client, AOL might disconnect while the user is being authenticated. This is an
AOL issue, not a VPN Client problem (CSCdy45351).
VPN Client Fails to Connect over Some AOL Dialup Connections
The Cisco VPN Client connecting over an AOL dialup connection fails to
complete the connection, particularly when using AOL 7.0 and 8.0.
The AOL dialup process uses a fallback method which, if your initial attempt to
connect fails, resorts to a different connection type for the second attempt. This
second attempt can sometimes cause AOL to communicate over two PPP adapters
(visible in ipconfig /all output). When this happens, the VPN Client cannot
connect. This is a known issue, and AOL is investigating the problem.
The workaround is to try to reconnect the dialup connection to try to avoid getting
two PPP adapters (CSCea29056).