Appendix A: SG-1 Vendor-Specific Attributes June 30, 2006
A-32 SG1-UM-8500-03
Format:
adc-avpair = "vpdn:tunnel-client-ip-address-=<tunnel client ip address>",
Example:
adc-avpair = "vpdn:tunnel-server-client-ip-address=192.168.3.5",
vpdn:nativeip sub-attribute
This attribute defines a session as a native IP pipe, meaning the session acts as a tunnel for native IP traffic. It is
currently used for PPP sessions only. It may be activated dynamically, enabling the change of a connected PPP
session Native IP status on the fly.
General:
Format:
gcon-avpair = "vpdn:nativeip=<ppp>",
Example:
gcon-avpair = "vpdn:nativeip=ppp",
vpdn:ip-tunnel sub attribute
The vpdn:ip-tunnel sub attribute defines the tunneling protocol and the destination tunneling server IP address,
which all the session data should be tunneled to. It may be activated dynamically, enabling to change the session
tunneling protocol and destination on the fly. The attribute may be included once in access accept messages, and
the system ignores all other instances.
General:
Format:
adc-avpair = "vpdn:ip-tunnel=<gre;IP address[,redundant IP address]|ip-in-ip;IP
address [,redundant IP address]>",
Example 1:
adc-avpair = "vpdn:ip-tunnel=gre;192.168.1.34",
Example 2:
adc-avpair = "vpdn:ip-tunnel=gre;192.168.1.34,192.168.4.1",
Operation Mode: Access-Accept message
Service-Accept message
Vendor-type: 85
Vendor-length = 2 + name length + 3
Operation Mode: Access-Accept message
Service-Accept message
Vendor-type: 86
Vendor-length = 2 + 7-15 + attribute-name length