Cisco Cisco Packet Data Gateway (PDG) Dépliant
Subscriber Configuration Mode Commands
tunnel address-policy ▀
Cisco ASR 5x00 Command Line Interface Reference ▄
8367
tunnel address-policy
Specifies the policy for address allocation and validation for all tunneled calls (IP-IP, IP-GRE) except L2TP calls. With
this command enabled, GGSN IP address validation could be disabled for specified incoming calls.
this command enabled, GGSN IP address validation could be disabled for specified incoming calls.
For GGSN systems, this command can also be specified in the APN Configuration mode (
tunnel address-policy
)
which would mean the system defers to the old
l3-to-l2-tunnel address policy
command for calls coming
through L2TP tunnels.
Product
PDSN
GGSN
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
tunnel address-policy { alloc-only | alloc-validate | no-alloc-validate }
default tunnel address-policy
alloc-only
Allocates IP addresses locally without validation.
alloc-validate
Default.
The VPN Manager allocates and validates all incoming IP addresses from a static pool of IP addresses.
The VPN Manager allocates and validates all incoming IP addresses from a static pool of IP addresses.
no-alloc-validate
No IP address assignment or validation is done for calls coming in via L3 tunnels. Incoming static IP
addresses are passed. This option allows for the greatest flexibility.
addresses are passed. This option allows for the greatest flexibility.
default
Resets the tunnel address-policy to
alloc-validate
.
Usage
This command supports scalable solutions for Corporate APN deployment as many corporations handle their
own IP address assignments. In some cases this is done to relieve the customer or the mobile operators from
the necessity of reconfiguring the range of IP addresses for the IP pools at the GGSN.
own IP address assignments. In some cases this is done to relieve the customer or the mobile operators from
the necessity of reconfiguring the range of IP addresses for the IP pools at the GGSN.
Example