Cisco Cisco Packet Data Gateway (PDG) Guia De Resolução De Problemas
Subscriber Configuration Mode Commands
▀ data-tunneling ignore df-bit
▄ Cisco ASR 5000 Series Command Line Interface Reference
OL-22948-01
data-tunneling ignore df-bit
This command controls the handling of the DF (Don't Fragment) bit present in the user IPv4/IPv6 packet for GRE, IP-
in-IP tunneling used for the MIP data path. If this feature is enabled, and fragmentation is required for the tunneled user
IPv4/IPv6 packet, then the DF bit is ignored and the packet is fragmented. Also the DF bit is not copied to the outer
header. Default is enabled.
in-IP tunneling used for the MIP data path. If this feature is enabled, and fragmentation is required for the tunneled user
IPv4/IPv6 packet, then the DF bit is ignored and the packet is fragmented. Also the DF bit is not copied to the outer
header. Default is enabled.
Product
PDSN, HA, FA, ASN GW
Privilege
Security Administrator, Administrator
Syntax
Disable this option. The DF bit in the tunneled IP packet header is not ignored during tunneling.
Usage
Use this command to configure a user so that during Mobile IP tunneling the DF bit is not ignored and
packets are not fragmented.
packets are not fragmented.
Example
To disable fragmentation of a subscribers packets over a MIP tunnel even when the DF bit is present, enter the
following command:
To disable fragmentation of a subscribers packets over a MIP tunnel even when the DF bit is present, enter the
following command: