Cisco Cisco Packet Data Gateway (PDG)
Subscriber Configuration Mode Commands
ip user-datagram-tos copy ▀
Command Line Interface Reference, StarOS Release 16 ▄
8549
ip user-datagram-tos copy
Controls copying of the IP TOS octet value from IPv4/IPv6 datagrams to the IP header in tunnel encapsulation. This is
disabled by default.
disabled by default.
Product
PDSN
HA
Privilege
Security Administrator, Administrator
Mode
Exec > Global Configuration > Context Configuration > Subscriber Configuration
configure > context context_name > subscriber { default | name subscriber_name }
Entering the above command sequence results in the following prompt:
[context_name]host_name(config-subscriber)#
Syntax
ip user-datagram-tos copy [ access-link-tunnel | both | data-tunnel ]
no ip user-datagram-tos copy
no
Disable copying of the IP TOS octet value to all tunnel encapsulation IP headers.
ip user-datagram-tos copy
Enables copying of the IP TOS octet value to all tunnel encapsulation IP headers.
access-link-tunnel
Copies the IP TOS octet value to the tunnel encapsulation IP header on the access side (RP) tunnel.
both
Uses both the access-link-tunnel and data-tunnel.
data-tunnel
Copies the IP TOS octet value to the tunnel encapsulation IP header on the MIP data tunnel or L3 tunnel (IP-
in-IP, GRE).
in-IP, GRE).
Usage
Use this command to enable the copying of the IP TOS octet value to the tunnel encapsulation IP header.
This functionality allows PCF to detect special TOS marking in the outer IP header of A11 packets and to
identify certain packets as QChat control messages. The Base Station Controller/Packet Control Function
(BSC/PCF) must give higher priority to QChat control messages.
This functionality allows PCF to detect special TOS marking in the outer IP header of A11 packets and to
identify certain packets as QChat control messages. The Base Station Controller/Packet Control Function
(BSC/PCF) must give higher priority to QChat control messages.
Example